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nums
listlengths
4
4
target
int64
10
100
solution
listlengths
3
3
optimal_path
stringlengths
282
529
start_size
int64
4
4
search_path
stringlengths
505
16.8k
rating
float64
0
0.99
search_type
stringclasses
5 values
heuristic
stringclasses
2 values
[ 45, 41, 94, 82 ]
79
[ "41+94=135", "135/45=3", "82-3=79" ]
Current State: 79:[45, 41, 94, 82], Operations: [] Exploring Operation: 41+94=135, Resulting Numbers: [45, 82, 135] Generated Node #2: [45, 82, 135] from Operation: 41+94=135 Current State: 79:[45, 82, 135], Operations: ['41+94=135'] Exploring Operation: 135/45=3, Resulting Numbers: [82, 3] Generated Node #3: [82, 3] from Operation: 135/45=3 Current State: 79:[82, 3], Operations: ['41+94=135', '135/45=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[45, 41, 94, 82], Operations: [] Exploring Operation: 45+41=86, Resulting Numbers: [94, 82, 86] Generated Node #0,0: 79:[94, 82, 86] Operation: 45+41=86 Exploring Operation: 94-41=53, Resulting Numbers: [45, 82, 53] Generated Node #0,1: 79:[45, 82, 53] Operation: 94-41=53 Exploring Operation: 94-45=49, Resulting Numbers: [41, 82, 49] Generated Node #0,2: 79:[41, 82, 49] Operation: 94-45=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[94, 82, 86], Operations: ['45+41=86'] Exploring Operation: 94-82=12, Resulting Numbers: [86, 12] Generated Node #0,0,0: 79:[86, 12] Operation: 94-82=12 Exploring Operation: 86-82=4, Resulting Numbers: [94, 4] Generated Node #0,0,1: 79:[94, 4] Operation: 86-82=4 Exploring Operation: 94-86=8, Resulting Numbers: [82, 8] Generated Node #0,0,2: 79:[82, 8] Operation: 94-86=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[86, 12], Operations: ['45+41=86', '94-82=12'] Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 86*12=1032, Resulting Numbers: [1032] 1032,79 unequal: No Solution Exploring Operation: 86+12=98, Resulting Numbers: [98] 98,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[82, 8], Operations: ['45+41=86', '94-86=8'] Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 82*8=656, Resulting Numbers: [656] 656,79 unequal: No Solution Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[94, 4], Operations: ['45+41=86', '86-82=4'] Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 94*4=376, Resulting Numbers: [376] 376,79 unequal: No Solution Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[45, 82, 53], Operations: ['94-41=53'] Exploring Operation: 82-45=37, Resulting Numbers: [53, 37] Generated Node #0,1,0: 79:[53, 37] Operation: 82-45=37 Exploring Operation: 45+53=98, Resulting Numbers: [82, 98] Generated Node #0,1,1: 79:[82, 98] Operation: 45+53=98 Exploring Operation: 45+82=127, Resulting Numbers: [53, 127] Generated Node #0,1,2: 79:[53, 127] Operation: 45+82=127 Moving to Node #0,1,1 Current State: 79:[82, 98], Operations: ['94-41=53', '45+53=98'] Exploring Operation: 98-82=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 82+98=180, Resulting Numbers: [180] 180,79 unequal: No Solution Exploring Operation: 82*98=8036, Resulting Numbers: [8036] 8036,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[53, 37], Operations: ['94-41=53', '82-45=37'] Exploring Operation: 53*37=1961, Resulting Numbers: [1961] 1961,79 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 53+37=90, Resulting Numbers: [90] 90,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[53, 127], Operations: ['94-41=53', '45+82=127'] Exploring Operation: 127-53=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 53+127=180, Resulting Numbers: [180] 180,79 unequal: No Solution Exploring Operation: 53*127=6731, Resulting Numbers: [6731] 6731,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[41, 82, 49], Operations: ['94-45=49'] Exploring Operation: 82-41=41, Resulting Numbers: [49, 41] Generated Node #0,2,0: 79:[49, 41] Operation: 82-41=41 Exploring Operation: 41+49=90, Resulting Numbers: [82, 90] Generated Node #0,2,1: 79:[82, 90] Operation: 41+49=90 Exploring Operation: 41+82=123, Resulting Numbers: [49, 123] Generated Node #0,2,2: 79:[49, 123] Operation: 41+82=123 Moving to Node #0,2,1 Current State: 79:[82, 90], Operations: ['94-45=49', '41+49=90'] Exploring Operation: 82+90=172, Resulting Numbers: [172] 172,79 unequal: No Solution Exploring Operation: 82*90=7380, Resulting Numbers: [7380] 7380,79 unequal: No Solution Exploring Operation: 90-82=8, Resulting Numbers: [8] 8,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[49, 41], Operations: ['94-45=49', '82-41=41'] Exploring Operation: 49+41=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 49*41=2009, Resulting Numbers: [2009] 2009,79 unequal: No Solution Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[49, 123], Operations: ['94-45=49', '41+82=123'] Exploring Operation: 49*123=6027, Resulting Numbers: [6027] 6027,79 unequal: No Solution Exploring Operation: 123-49=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 49+123=172, Resulting Numbers: [172] 172,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 71, 13, 20, 53 ]
15
[ "71-13=58", "20+53=73", "73-58=15" ]
Current State: 15:[71, 13, 20, 53], Operations: [] Exploring Operation: 71-13=58, Resulting Numbers: [20, 53, 58] Generated Node #2: [20, 53, 58] from Operation: 71-13=58 Current State: 15:[20, 53, 58], Operations: ['71-13=58'] Exploring Operation: 20+53=73, Resulting Numbers: [58, 73] Generated Node #3: [58, 73] from Operation: 20+53=73 Current State: 15:[58, 73], Operations: ['71-13=58', '20+53=73'] Exploring Operation: 73-58=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[71, 13, 20, 53], Operations: [] Exploring Operation: 71-53=18, Resulting Numbers: [13, 20, 18] Generated Node #0,0: 15:[13, 20, 18] Operation: 71-53=18 Exploring Operation: 71-20=51, Resulting Numbers: [13, 53, 51] Generated Node #0,1: 15:[13, 53, 51] Operation: 71-20=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[13, 20, 18], Operations: ['71-53=18'] Exploring Operation: 20-18=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 15:[13, 2] Operation: 20-18=2 Exploring Operation: 20-13=7, Resulting Numbers: [18, 7] Generated Node #0,0,1: 15:[18, 7] Operation: 20-13=7 Moving to Node #0,0,0 Current State: 15:[13, 2], Operations: ['71-53=18', '20-18=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[71, 13, 20, 53], Operations: [] Exploring Operation: 71-53=18, Resulting Numbers: [13, 20, 18] Generated Node #0,0: 15:[13, 20, 18] Operation: 71-53=18 Moving to Node #0,0 Current State: 15:[13, 20, 18], Operations: ['71-53=18'] Exploring Operation: 20-18=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 15:[13, 2] Operation: 20-18=2 Moving to Node #0,0,0 Current State: 15:[13, 2], Operations: ['71-53=18', '20-18=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 10, 4, 63, 29 ]
28
[ "10-4=6", "63-29=34", "34-6=28" ]
Current State: 28:[10, 4, 63, 29], Operations: [] Exploring Operation: 10-4=6, Resulting Numbers: [63, 29, 6] Generated Node #2: [63, 29, 6] from Operation: 10-4=6 Current State: 28:[63, 29, 6], Operations: ['10-4=6'] Exploring Operation: 63-29=34, Resulting Numbers: [6, 34] Generated Node #3: [6, 34] from Operation: 63-29=34 Current State: 28:[6, 34], Operations: ['10-4=6', '63-29=34'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[10, 4, 63, 29], Operations: [] Exploring Operation: 63-4=59, Resulting Numbers: [10, 29, 59] Generated Node #0,0: 28:[10, 29, 59] Operation: 63-4=59 Exploring Operation: 63-29=34, Resulting Numbers: [10, 4, 34] Generated Node #0,1: 28:[10, 4, 34] Operation: 63-29=34 Exploring Operation: 63-10=53, Resulting Numbers: [4, 29, 53] Generated Node #0,2: 28:[4, 29, 53] Operation: 63-10=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[10, 4, 34], Operations: ['63-29=34'] Exploring Operation: 34-10=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 28:[4, 24] Operation: 34-10=24 Exploring Operation: 34-4=30, Resulting Numbers: [10, 30] Generated Node #0,1,1: 28:[10, 30] Operation: 34-4=30 Exploring Operation: 10+4=14, Resulting Numbers: [34, 14] Generated Node #0,1,2: 28:[34, 14] Operation: 10+4=14 Moving to Node #0,1,0 Current State: 28:[4, 24], Operations: ['63-29=34', '34-10=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,28 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[10, 4, 63, 29], Operations: [] Exploring Operation: 63-29=34, Resulting Numbers: [10, 4, 34] Generated Node #0,1: 28:[10, 4, 34] Operation: 63-29=34 Moving to Node #0,1 Current State: 28:[10, 4, 34], Operations: ['63-29=34'] Exploring Operation: 34-10=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 28:[4, 24] Operation: 34-10=24 Moving to Node #0,1,0 Current State: 28:[4, 24], Operations: ['63-29=34', '34-10=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 49, 54, 15, 85 ]
88
[ "54-49=5", "15/5=3", "85+3=88" ]
Current State: 88:[49, 54, 15, 85], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [15, 85, 5] Generated Node #2: [15, 85, 5] from Operation: 54-49=5 Current State: 88:[15, 85, 5], Operations: ['54-49=5'] Exploring Operation: 15/5=3, Resulting Numbers: [85, 3] Generated Node #3: [85, 3] from Operation: 15/5=3 Current State: 88:[85, 3], Operations: ['54-49=5', '15/5=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[49, 54, 15, 85], Operations: [] Exploring Operation: 54-15=39, Resulting Numbers: [49, 85, 39] Generated Node #0,0: 88:[49, 85, 39] Operation: 54-15=39 Exploring Operation: 54-49=5, Resulting Numbers: [15, 85, 5] Generated Node #0,1: 88:[15, 85, 5] Operation: 54-49=5 Exploring Operation: 49+54=103, Resulting Numbers: [15, 85, 103] Generated Node #0,2: 88:[15, 85, 103] Operation: 49+54=103 Exploring Operation: 85-54=31, Resulting Numbers: [49, 15, 31] Generated Node #0,3: 88:[49, 15, 31] Operation: 85-54=31 Exploring Operation: 85-49=36, Resulting Numbers: [54, 15, 36] Generated Node #0,4: 88:[54, 15, 36] Operation: 85-49=36 Moving to Node #0,1 Current State: 88:[15, 85, 5], Operations: ['54-49=5'] Exploring Operation: 85/5=17, Resulting Numbers: [15, 17] Generated Node #0,1,0: 88:[15, 17] Operation: 85/5=17 Exploring Operation: 15+5=20, Resulting Numbers: [85, 20] Generated Node #0,1,1: 88:[85, 20] Operation: 15+5=20 Exploring Operation: 85+5=90, Resulting Numbers: [15, 90] Generated Node #0,1,2: 88:[15, 90] Operation: 85+5=90 Exploring Operation: 15-5=10, Resulting Numbers: [85, 10] Generated Node #0,1,3: 88:[85, 10] Operation: 15-5=10 Exploring Operation: 15/5=3, Resulting Numbers: [85, 3] Generated Node #0,1,4: 88:[85, 3] Operation: 15/5=3 Moving to Node #0,0 Current State: 88:[49, 85, 39], Operations: ['54-15=39'] Exploring Operation: 49+39=88, Resulting Numbers: [85, 88] Generated Node #0,0,0: 88:[85, 88] Operation: 49+39=88 Exploring Operation: 85+39=124, Resulting Numbers: [49, 124] Generated Node #0,0,1: 88:[49, 124] Operation: 85+39=124 Exploring Operation: 49-39=10, Resulting Numbers: [85, 10] Generated Node #0,0,2: 88:[85, 10] Operation: 49-39=10 Exploring Operation: 85-49=36, Resulting Numbers: [39, 36] Generated Node #0,0,3: 88:[39, 36] Operation: 85-49=36 Exploring Operation: 85-39=46, Resulting Numbers: [49, 46] Generated Node #0,0,4: 88:[49, 46] Operation: 85-39=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[85, 88], Operations: ['54-15=39', '49+39=88'] Exploring Operation: 88-85=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 85+88=173, Resulting Numbers: [173] 173,88 unequal: No Solution Exploring Operation: 85*88=7480, Resulting Numbers: [7480] 7480,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[85, 10], Operations: ['54-15=39', '49-39=10'] Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 88:[49, 46], Operations: ['54-15=39', '85-39=46'] Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 49*46=2254, Resulting Numbers: [2254] 2254,88 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 88:[39, 36], Operations: ['54-15=39', '85-49=36'] Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[49, 124], Operations: ['54-15=39', '85+39=124'] Exploring Operation: 49*124=6076, Resulting Numbers: [6076] 6076,88 unequal: No Solution Exploring Operation: 49+124=173, Resulting Numbers: [173] 173,88 unequal: No Solution Exploring Operation: 124-49=75, Resulting Numbers: [75] 75,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 88:[49, 15, 31], Operations: ['85-54=31'] Exploring Operation: 49+31=80, Resulting Numbers: [15, 80] Generated Node #0,3,0: 88:[15, 80] Operation: 49+31=80 Exploring Operation: 49-31=18, Resulting Numbers: [15, 18] Generated Node #0,3,1: 88:[15, 18] Operation: 49-31=18 Exploring Operation: 49-15=34, Resulting Numbers: [31, 34] Generated Node #0,3,2: 88:[31, 34] Operation: 49-15=34 Exploring Operation: 31-15=16, Resulting Numbers: [49, 16] Generated Node #0,3,3: 88:[49, 16] Operation: 31-15=16 Exploring Operation: 15+31=46, Resulting Numbers: [49, 46] Generated Node #0,3,4: 88:[49, 46] Operation: 15+31=46 Moving to Node #0,2 Current State: 88:[15, 85, 103], Operations: ['49+54=103'] Exploring Operation: 15+85=100, Resulting Numbers: [103, 100] Generated Node #0,2,0: 88:[103, 100] Operation: 15+85=100 Exploring Operation: 15+103=118, Resulting Numbers: [85, 118] Generated Node #0,2,1: 88:[85, 118] Operation: 15+103=118 Exploring Operation: 103-85=18, Resulting Numbers: [15, 18] Generated Node #0,2,2: 88:[15, 18] Operation: 103-85=18 Exploring Operation: 85-15=70, Resulting Numbers: [103, 70] Generated Node #0,2,3: 88:[103, 70] Operation: 85-15=70 Exploring Operation: 103-15=88, Resulting Numbers: [85, 88] Generated Node #0,2,4: 88:[85, 88] Operation: 103-15=88 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 88:[85, 88], Operations: ['49+54=103', '103-15=88'] Exploring Operation: 88-85=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 85+88=173, Resulting Numbers: [173] 173,88 unequal: No Solution Exploring Operation: 85*88=7480, Resulting Numbers: [7480] 7480,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[15, 18], Operations: ['49+54=103', '103-85=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[103, 100], Operations: ['49+54=103', '15+85=100'] Exploring Operation: 103*100=10300, Resulting Numbers: [10300] 10300,88 unequal: No Solution Exploring Operation: 103-100=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 103+100=203, Resulting Numbers: [203] 203,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[85, 118], Operations: ['49+54=103', '15+103=118'] Exploring Operation: 85*118=10030, Resulting Numbers: [10030] 10030,88 unequal: No Solution Exploring Operation: 118-85=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 85+118=203, Resulting Numbers: [203] 203,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 88:[103, 70], Operations: ['49+54=103', '85-15=70'] Exploring Operation: 103+70=173, Resulting Numbers: [173] 173,88 unequal: No Solution Exploring Operation: 103*70=7210, Resulting Numbers: [7210] 7210,88 unequal: No Solution Exploring Operation: 103-70=33, Resulting Numbers: [33] 33,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 88:[54, 15, 36], Operations: ['85-49=36'] Exploring Operation: 54-36=18, Resulting Numbers: [15, 18] Generated Node #0,4,0: 88:[15, 18] Operation: 54-36=18 Exploring Operation: 54+36=90, Resulting Numbers: [15, 90] Generated Node #0,4,1: 88:[15, 90] Operation: 54+36=90 Exploring Operation: 36-15=21, Resulting Numbers: [54, 21] Generated Node #0,4,2: 88:[54, 21] Operation: 36-15=21 Exploring Operation: 15+36=51, Resulting Numbers: [54, 51] Generated Node #0,4,3: 88:[54, 51] Operation: 15+36=51 Exploring Operation: 54-15=39, Resulting Numbers: [36, 39] Generated Node #0,4,4: 88:[36, 39] Operation: 54-15=39 Moving to Node #0,1,3 Current State: 88:[85, 10], Operations: ['54-49=5', '15-5=10'] Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,88 unequal: No Solution Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,88 unequal: No Solution Moving to Node #0,1,4 Current State: 88:[85, 3], Operations: ['54-49=5', '15/5=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[49, 54, 15, 85], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [15, 85, 5] Generated Node #0,1: 88:[15, 85, 5] Operation: 54-49=5 Moving to Node #0,1 Current State: 88:[15, 85, 5], Operations: ['54-49=5'] Exploring Operation: 15/5=3, Resulting Numbers: [85, 3] Generated Node #0,1,4: 88:[85, 3] Operation: 15/5=3 Moving to Node #0,1,4 Current State: 88:[85, 3], Operations: ['54-49=5', '15/5=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.940104
hs_5
sum_heuristic
[ 91, 72, 86, 88 ]
53
[ "88-86=2", "72*2=144", "144-91=53" ]
Current State: 53:[91, 72, 86, 88], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [91, 72, 2] Generated Node #2: [91, 72, 2] from Operation: 88-86=2 Current State: 53:[91, 72, 2], Operations: ['88-86=2'] Exploring Operation: 72*2=144, Resulting Numbers: [91, 144] Generated Node #3: [91, 144] from Operation: 72*2=144 Current State: 53:[91, 144], Operations: ['88-86=2', '72*2=144'] Exploring Operation: 144-91=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[91, 72, 86, 88], Operations: [] Exploring Operation: 88-72=16, Resulting Numbers: [91, 86, 16] Generated Node #0,0: 53:[91, 86, 16] Operation: 88-72=16 Exploring Operation: 91-72=19, Resulting Numbers: [86, 88, 19] Generated Node #0,1: 53:[86, 88, 19] Operation: 91-72=19 Exploring Operation: 91-86=5, Resulting Numbers: [72, 88, 5] Generated Node #0,2: 53:[72, 88, 5] Operation: 91-86=5 Exploring Operation: 91-88=3, Resulting Numbers: [72, 86, 3] Generated Node #0,3: 53:[72, 86, 3] Operation: 91-88=3 Exploring Operation: 88-86=2, Resulting Numbers: [91, 72, 2] Generated Node #0,4: 53:[91, 72, 2] Operation: 88-86=2 Moving to Node #0,1 Current State: 53:[86, 88, 19], Operations: ['91-72=19'] Exploring Operation: 88-19=69, Resulting Numbers: [86, 69] Generated Node #0,1,0: 53:[86, 69] Operation: 88-19=69 Exploring Operation: 86+19=105, Resulting Numbers: [88, 105] Generated Node #0,1,1: 53:[88, 105] Operation: 86+19=105 Exploring Operation: 88-86=2, Resulting Numbers: [19, 2] Generated Node #0,1,2: 53:[19, 2] Operation: 88-86=2 Exploring Operation: 88+19=107, Resulting Numbers: [86, 107] Generated Node #0,1,3: 53:[86, 107] Operation: 88+19=107 Exploring Operation: 86-19=67, Resulting Numbers: [88, 67] Generated Node #0,1,4: 53:[88, 67] Operation: 86-19=67 Moving to Node #0,3 Current State: 53:[72, 86, 3], Operations: ['91-88=3'] Exploring Operation: 86+3=89, Resulting Numbers: [72, 89] Generated Node #0,3,0: 53:[72, 89] Operation: 86+3=89 Exploring Operation: 72-3=69, Resulting Numbers: [86, 69] Generated Node #0,3,1: 53:[86, 69] Operation: 72-3=69 Exploring Operation: 72/3=24, Resulting Numbers: [86, 24] Generated Node #0,3,2: 53:[86, 24] Operation: 72/3=24 Exploring Operation: 86-3=83, Resulting Numbers: [72, 83] Generated Node #0,3,3: 53:[72, 83] Operation: 86-3=83 Exploring Operation: 72+3=75, Resulting Numbers: [86, 75] Generated Node #0,3,4: 53:[86, 75] Operation: 72+3=75 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 53:[86, 69], Operations: ['91-88=3', '72-3=69'] Exploring Operation: 86-69=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 86*69=5934, Resulting Numbers: [5934] 5934,53 unequal: No Solution Exploring Operation: 86+69=155, Resulting Numbers: [155] 155,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 53:[72, 83], Operations: ['91-88=3', '86-3=83'] Exploring Operation: 72+83=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 72*83=5976, Resulting Numbers: [5976] 5976,53 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 53:[72, 89], Operations: ['91-88=3', '86+3=89'] Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,53 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 53:[86, 75], Operations: ['91-88=3', '72+3=75'] Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 86+75=161, Resulting Numbers: [161] 161,53 unequal: No Solution Exploring Operation: 86*75=6450, Resulting Numbers: [6450] 6450,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[86, 24], Operations: ['91-88=3', '72/3=24'] Exploring Operation: 86+24=110, Resulting Numbers: [110] 110,53 unequal: No Solution Exploring Operation: 86-24=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 86*24=2064, Resulting Numbers: [2064] 2064,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 53:[72, 88, 5], Operations: ['91-86=5'] Exploring Operation: 72+5=77, Resulting Numbers: [88, 77] Generated Node #0,2,0: 53:[88, 77] Operation: 72+5=77 Exploring Operation: 88+5=93, Resulting Numbers: [72, 93] Generated Node #0,2,1: 53:[72, 93] Operation: 88+5=93 Exploring Operation: 72-5=67, Resulting Numbers: [88, 67] Generated Node #0,2,2: 53:[88, 67] Operation: 72-5=67 Exploring Operation: 88-72=16, Resulting Numbers: [5, 16] Generated Node #0,2,3: 53:[5, 16] Operation: 88-72=16 Exploring Operation: 88-5=83, Resulting Numbers: [72, 83] Generated Node #0,2,4: 53:[72, 83] Operation: 88-5=83 Moving to Node #0,0 Current State: 53:[91, 86, 16], Operations: ['88-72=16'] Exploring Operation: 91+16=107, Resulting Numbers: [86, 107] Generated Node #0,0,0: 53:[86, 107] Operation: 91+16=107 Exploring Operation: 86+16=102, Resulting Numbers: [91, 102] Generated Node #0,0,1: 53:[91, 102] Operation: 86+16=102 Exploring Operation: 91-86=5, Resulting Numbers: [16, 5] Generated Node #0,0,2: 53:[16, 5] Operation: 91-86=5 Exploring Operation: 91-16=75, Resulting Numbers: [86, 75] Generated Node #0,0,3: 53:[86, 75] Operation: 91-16=75 Exploring Operation: 86-16=70, Resulting Numbers: [91, 70] Generated Node #0,0,4: 53:[91, 70] Operation: 86-16=70 Moving to Node #0,4 Current State: 53:[91, 72, 2], Operations: ['88-86=2'] Exploring Operation: 72-2=70, Resulting Numbers: [91, 70] Generated Node #0,4,0: 53:[91, 70] Operation: 72-2=70 Exploring Operation: 91+2=93, Resulting Numbers: [72, 93] Generated Node #0,4,1: 53:[72, 93] Operation: 91+2=93 Exploring Operation: 72/2=36, Resulting Numbers: [91, 36] Generated Node #0,4,2: 53:[91, 36] Operation: 72/2=36 Exploring Operation: 72+2=74, Resulting Numbers: [91, 74] Generated Node #0,4,3: 53:[91, 74] Operation: 72+2=74 Exploring Operation: 91-2=89, Resulting Numbers: [72, 89] Generated Node #0,4,4: 53:[72, 89] Operation: 91-2=89 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 53:[91, 70], Operations: ['88-86=2', '72-2=70'] Exploring Operation: 91*70=6370, Resulting Numbers: [6370] 6370,53 unequal: No Solution Exploring Operation: 91-70=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 91+70=161, Resulting Numbers: [161] 161,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 53:[91, 36], Operations: ['88-86=2', '72/2=36'] Exploring Operation: 91+36=127, Resulting Numbers: [127] 127,53 unequal: No Solution Exploring Operation: 91*36=3276, Resulting Numbers: [3276] 3276,53 unequal: No Solution Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 53:[72, 89], Operations: ['88-86=2', '91-2=89'] Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,53 unequal: No Solution Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 53:[72, 93], Operations: ['88-86=2', '91+2=93'] Exploring Operation: 72+93=165, Resulting Numbers: [165] 165,53 unequal: No Solution Exploring Operation: 93-72=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 72*93=6696, Resulting Numbers: [6696] 6696,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 53:[91, 74], Operations: ['88-86=2', '72+2=74'] Exploring Operation: 91-74=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 91*74=6734, Resulting Numbers: [6734] 6734,53 unequal: No Solution Exploring Operation: 91+74=165, Resulting Numbers: [165] 165,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 53:[86, 69], Operations: ['91-72=19', '88-19=69'] Exploring Operation: 86+69=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 86-69=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 86*69=5934, Resulting Numbers: [5934] 5934,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[88, 67], Operations: ['91-86=5', '72-5=67'] Exploring Operation: 88+67=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 88-67=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 88*67=5896, Resulting Numbers: [5896] 5896,53 unequal: No Solution Moving to Node #0,2,4 Current State: 53:[72, 83], Operations: ['91-86=5', '88-5=83'] Exploring Operation: 72+83=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 72*83=5976, Resulting Numbers: [5976] 5976,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[88, 67], Operations: ['91-72=19', '86-19=67'] Exploring Operation: 88+67=155, Resulting Numbers: [155] 155,53 unequal: No Solution Exploring Operation: 88*67=5896, Resulting Numbers: [5896] 5896,53 unequal: No Solution Exploring Operation: 88-67=21, Resulting Numbers: [21] 21,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[91, 70], Operations: ['88-72=16', '86-16=70'] Exploring Operation: 91+70=161, Resulting Numbers: [161] 161,53 unequal: No Solution Exploring Operation: 91*70=6370, Resulting Numbers: [6370] 6370,53 unequal: No Solution Exploring Operation: 91-70=21, Resulting Numbers: [21] 21,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[86, 75], Operations: ['88-72=16', '91-16=75'] Exploring Operation: 86*75=6450, Resulting Numbers: [6450] 6450,53 unequal: No Solution Exploring Operation: 86+75=161, Resulting Numbers: [161] 161,53 unequal: No Solution Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[88, 77], Operations: ['91-86=5', '72+5=77'] Exploring Operation: 88-77=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 88+77=165, Resulting Numbers: [165] 165,53 unequal: No Solution Exploring Operation: 88*77=6776, Resulting Numbers: [6776] 6776,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[72, 93], Operations: ['91-86=5', '88+5=93'] Exploring Operation: 72*93=6696, Resulting Numbers: [6696] 6696,53 unequal: No Solution Exploring Operation: 93-72=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 72+93=165, Resulting Numbers: [165] 165,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[16, 5], Operations: ['88-72=16', '91-86=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[19, 2], Operations: ['91-72=19', '88-86=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[5, 16], Operations: ['91-86=5', '88-72=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,53 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[88, 105], Operations: ['91-72=19', '86+19=105'] Exploring Operation: 105-88=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 88*105=9240, Resulting Numbers: [9240] 9240,53 unequal: No Solution Exploring Operation: 88+105=193, Resulting Numbers: [193] 193,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[86, 107], Operations: ['88-72=16', '91+16=107'] Exploring Operation: 107-86=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 86*107=9202, Resulting Numbers: [9202] 9202,53 unequal: No Solution Exploring Operation: 86+107=193, Resulting Numbers: [193] 193,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[86, 107], Operations: ['91-72=19', '88+19=107'] Exploring Operation: 86*107=9202, Resulting Numbers: [9202] 9202,53 unequal: No Solution Exploring Operation: 86+107=193, Resulting Numbers: [193] 193,53 unequal: No Solution Exploring Operation: 107-86=21, Resulting Numbers: [21] 21,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[91, 102], Operations: ['88-72=16', '86+16=102'] Exploring Operation: 102-91=11, Resulting Numbers: [11] 11,53 unequal: No Solution Exploring Operation: 91+102=193, Resulting Numbers: [193] 193,53 unequal: No Solution Exploring Operation: 91*102=9282, Resulting Numbers: [9282] 9282,53 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 28, 85, 7, 8 ]
83
[ "28-7=21", "8*21=168", "168-85=83" ]
Current State: 83:[28, 85, 7, 8], Operations: [] Exploring Operation: 28-7=21, Resulting Numbers: [85, 8, 21] Generated Node #2: [85, 8, 21] from Operation: 28-7=21 Current State: 83:[85, 8, 21], Operations: ['28-7=21'] Exploring Operation: 8*21=168, Resulting Numbers: [85, 168] Generated Node #3: [85, 168] from Operation: 8*21=168 Current State: 83:[85, 168], Operations: ['28-7=21', '8*21=168'] Exploring Operation: 168-85=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[28, 85, 7, 8], Operations: [] Exploring Operation: 7*8=56, Resulting Numbers: [28, 85, 56] Generated Node #0,0: 83:[28, 85, 56] Operation: 7*8=56 Moving to Node #0,0 Current State: 83:[28, 85, 56], Operations: ['7*8=56'] Exploring Operation: 28+56=84, Resulting Numbers: [85, 84] Generated Node #0,0,0: 83:[85, 84] Operation: 28+56=84 Moving to Node #0,0,0 Current State: 83:[85, 84], Operations: ['7*8=56', '28+56=84'] Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,83 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 33, 57, 94, 97 ]
72
[ "57-33=24", "97-94=3", "24*3=72" ]
Current State: 72:[33, 57, 94, 97], Operations: [] Exploring Operation: 57-33=24, Resulting Numbers: [94, 97, 24] Generated Node #2: [94, 97, 24] from Operation: 57-33=24 Current State: 72:[94, 97, 24], Operations: ['57-33=24'] Exploring Operation: 97-94=3, Resulting Numbers: [24, 3] Generated Node #3: [24, 3] from Operation: 97-94=3 Current State: 72:[24, 3], Operations: ['57-33=24', '97-94=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[33, 57, 94, 97], Operations: [] Exploring Operation: 94-57=37, Resulting Numbers: [33, 97, 37] Generated Node #0,0: 72:[33, 97, 37] Operation: 94-57=37 Exploring Operation: 97-33=64, Resulting Numbers: [57, 94, 64] Generated Node #0,1: 72:[57, 94, 64] Operation: 97-33=64 Exploring Operation: 97-94=3, Resulting Numbers: [33, 57, 3] Generated Node #0,2: 72:[33, 57, 3] Operation: 97-94=3 Exploring Operation: 97-57=40, Resulting Numbers: [33, 94, 40] Generated Node #0,3: 72:[33, 94, 40] Operation: 97-57=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[33, 57, 3], Operations: ['97-94=3'] Exploring Operation: 57/3=19, Resulting Numbers: [33, 19] Generated Node #0,2,0: 72:[33, 19] Operation: 57/3=19 Exploring Operation: 57+3=60, Resulting Numbers: [33, 60] Generated Node #0,2,1: 72:[33, 60] Operation: 57+3=60 Exploring Operation: 57-33=24, Resulting Numbers: [3, 24] Generated Node #0,2,2: 72:[3, 24] Operation: 57-33=24 Exploring Operation: 33+3=36, Resulting Numbers: [57, 36] Generated Node #0,2,3: 72:[57, 36] Operation: 33+3=36 Moving to Node #0,2,2 Current State: 72:[3, 24], Operations: ['97-94=3', '57-33=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[33, 57, 94, 97], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [33, 57, 3] Generated Node #0,2: 72:[33, 57, 3] Operation: 97-94=3 Moving to Node #0,2 Current State: 72:[33, 57, 3], Operations: ['97-94=3'] Exploring Operation: 57-33=24, Resulting Numbers: [3, 24] Generated Node #0,2,2: 72:[3, 24] Operation: 57-33=24 Moving to Node #0,2,2 Current State: 72:[3, 24], Operations: ['97-94=3', '57-33=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 20, 3, 76, 14 ]
46
[ "20+76=96", "96/3=32", "14+32=46" ]
Current State: 46:[20, 3, 76, 14], Operations: [] Exploring Operation: 20+76=96, Resulting Numbers: [3, 14, 96] Generated Node #2: [3, 14, 96] from Operation: 20+76=96 Current State: 46:[3, 14, 96], Operations: ['20+76=96'] Exploring Operation: 96/3=32, Resulting Numbers: [14, 32] Generated Node #3: [14, 32] from Operation: 96/3=32 Current State: 46:[14, 32], Operations: ['20+76=96', '96/3=32'] Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[20, 3, 76, 14], Operations: [] Exploring Operation: 76-20=56, Resulting Numbers: [3, 14, 56] Generated Node #0,0: 46:[3, 14, 56] Operation: 76-20=56 Exploring Operation: 20-14=6, Resulting Numbers: [3, 76, 6] Generated Node #0,1: 46:[3, 76, 6] Operation: 20-14=6 Exploring Operation: 76-14=62, Resulting Numbers: [20, 3, 62] Generated Node #0,2: 46:[20, 3, 62] Operation: 76-14=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[3, 14, 56], Operations: ['76-20=56'] Exploring Operation: 56/14=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 46:[3, 4] Operation: 56/14=4 Exploring Operation: 56-14=42, Resulting Numbers: [3, 42] Generated Node #0,0,1: 46:[3, 42] Operation: 56-14=42 Exploring Operation: 3*14=42, Resulting Numbers: [56, 42] Generated Node #0,0,2: 46:[56, 42] Operation: 3*14=42 Moving to Node #0,0,0 Current State: 46:[3, 4], Operations: ['76-20=56', '56/14=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[3, 42], Operations: ['76-20=56', '56-14=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[56, 42], Operations: ['76-20=56', '3*14=42'] Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,46 unequal: No Solution Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,46 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[20, 3, 62], Operations: ['76-14=62'] Exploring Operation: 62-20=42, Resulting Numbers: [3, 42] Generated Node #0,2,0: 46:[3, 42] Operation: 62-20=42 Exploring Operation: 20+3=23, Resulting Numbers: [62, 23] Generated Node #0,2,1: 46:[62, 23] Operation: 20+3=23 Exploring Operation: 62-3=59, Resulting Numbers: [20, 59] Generated Node #0,2,2: 46:[20, 59] Operation: 62-3=59 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[3, 42], Operations: ['76-14=62', '62-20=42'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 46:[62, 23], Operations: ['76-14=62', '20+3=23'] Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,46 unequal: No Solution Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 46:[20, 59], Operations: ['76-14=62', '62-3=59'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 20+59=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 20*59=1180, Resulting Numbers: [1180] 1180,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[3, 76, 6], Operations: ['20-14=6'] Exploring Operation: 76-6=70, Resulting Numbers: [3, 70] Generated Node #0,1,0: 46:[3, 70] Operation: 76-6=70 Exploring Operation: 6/3=2, Resulting Numbers: [76, 2] Generated Node #0,1,1: 46:[76, 2] Operation: 6/3=2 Exploring Operation: 76-3=73, Resulting Numbers: [6, 73] Generated Node #0,1,2: 46:[6, 73] Operation: 76-3=73 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[3, 70], Operations: ['20-14=6', '76-6=70'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 3*70=210, Resulting Numbers: [210] 210,46 unequal: No Solution Exploring Operation: 3+70=73, Resulting Numbers: [73] 73,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[76, 2], Operations: ['20-14=6', '6/3=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[6, 73], Operations: ['20-14=6', '76-3=73'] Exploring Operation: 6+73=79, Resulting Numbers: [79] 79,46 unequal: No Solution Exploring Operation: 73-6=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 6*73=438, Resulting Numbers: [438] 438,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 4, 82, 69, 2 ]
15
[ "4+82=86", "69+2=71", "86-71=15" ]
Current State: 15:[4, 82, 69, 2], Operations: [] Exploring Operation: 4+82=86, Resulting Numbers: [69, 2, 86] Generated Node #2: [69, 2, 86] from Operation: 4+82=86 Current State: 15:[69, 2, 86], Operations: ['4+82=86'] Exploring Operation: 69+2=71, Resulting Numbers: [86, 71] Generated Node #3: [86, 71] from Operation: 69+2=71 Current State: 15:[86, 71], Operations: ['4+82=86', '69+2=71'] Exploring Operation: 86-71=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[4, 82, 69, 2], Operations: [] Exploring Operation: 82-69=13, Resulting Numbers: [4, 2, 13] Generated Node #0,0: 15:[4, 2, 13] Operation: 82-69=13 Moving to Node #0,0 Current State: 15:[4, 2, 13], Operations: ['82-69=13'] Exploring Operation: 2+13=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 15:[4, 15] Operation: 2+13=15 Moving to Node #0,0,0 Current State: 15:[4, 15], Operations: ['82-69=13', '2+13=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,15 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 15, 35, 4, 45 ]
34
[ "45/15=3", "35-4=31", "3+31=34" ]
Current State: 34:[15, 35, 4, 45], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [35, 4, 3] Generated Node #2: [35, 4, 3] from Operation: 45/15=3 Current State: 34:[35, 4, 3], Operations: ['45/15=3'] Exploring Operation: 35-4=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 35-4=31 Current State: 34:[3, 31], Operations: ['45/15=3', '35-4=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[15, 35, 4, 45], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [35, 4, 3] Generated Node #0,0: 34:[35, 4, 3] Operation: 45/15=3 Moving to Node #0,0 Current State: 34:[35, 4, 3], Operations: ['45/15=3'] Exploring Operation: 4-3=1, Resulting Numbers: [35, 1] Generated Node #0,0,0: 34:[35, 1] Operation: 4-3=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[35, 1], Operations: ['45/15=3', '4-3=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[15, 35, 4, 45], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [35, 4, 3] Generated Node #0,0: 34:[35, 4, 3] Operation: 45/15=3 Moving to Node #0,0 Current State: 34:[35, 4, 3], Operations: ['45/15=3'] Exploring Operation: 4-3=1, Resulting Numbers: [35, 1] Generated Node #0,0,0: 34:[35, 1] Operation: 4-3=1 Moving to Node #0,0,0 Current State: 34:[35, 1], Operations: ['45/15=3', '4-3=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 27, 14, 8, 57 ]
14
[ "27+57=84", "14-8=6", "84/6=14" ]
Current State: 14:[27, 14, 8, 57], Operations: [] Exploring Operation: 27+57=84, Resulting Numbers: [14, 8, 84] Generated Node #2: [14, 8, 84] from Operation: 27+57=84 Current State: 14:[14, 8, 84], Operations: ['27+57=84'] Exploring Operation: 14-8=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 14-8=6 Current State: 14:[84, 6], Operations: ['27+57=84', '14-8=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[27, 14, 8, 57], Operations: [] Exploring Operation: 57-27=30, Resulting Numbers: [14, 8, 30] Generated Node #0,0: 14:[14, 8, 30] Operation: 57-27=30 Moving to Node #0,0 Current State: 14:[14, 8, 30], Operations: ['57-27=30'] Exploring Operation: 30-14=16, Resulting Numbers: [8, 16] Generated Node #0,0,0: 14:[8, 16] Operation: 30-14=16 Moving to Node #0,0,0 Current State: 14:[8, 16], Operations: ['57-27=30', '30-14=16'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,14 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 62, 39, 4, 52 ]
10
[ "62-39=23", "52/4=13", "23-13=10" ]
Current State: 10:[62, 39, 4, 52], Operations: [] Exploring Operation: 62-39=23, Resulting Numbers: [4, 52, 23] Generated Node #2: [4, 52, 23] from Operation: 62-39=23 Current State: 10:[4, 52, 23], Operations: ['62-39=23'] Exploring Operation: 52/4=13, Resulting Numbers: [23, 13] Generated Node #3: [23, 13] from Operation: 52/4=13 Current State: 10:[23, 13], Operations: ['62-39=23', '52/4=13'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[62, 39, 4, 52], Operations: [] Exploring Operation: 62-39=23, Resulting Numbers: [4, 52, 23] Generated Node #0,0: 10:[4, 52, 23] Operation: 62-39=23 Exploring Operation: 62-52=10, Resulting Numbers: [39, 4, 10] Generated Node #0,1: 10:[39, 4, 10] Operation: 62-52=10 Moving to Node #0,1 Current State: 10:[39, 4, 10], Operations: ['62-52=10'] Exploring Operation: 39-4=35, Resulting Numbers: [10, 35] Generated Node #0,1,0: 10:[10, 35] Operation: 39-4=35 Exploring Operation: 39-10=29, Resulting Numbers: [4, 29] Generated Node #0,1,1: 10:[4, 29] Operation: 39-10=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[4, 29], Operations: ['62-52=10', '39-10=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[10, 35], Operations: ['62-52=10', '39-4=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 10:[4, 52, 23], Operations: ['62-39=23'] Exploring Operation: 52-23=29, Resulting Numbers: [4, 29] Generated Node #0,0,0: 10:[4, 29] Operation: 52-23=29 Exploring Operation: 52/4=13, Resulting Numbers: [23, 13] Generated Node #0,0,1: 10:[23, 13] Operation: 52/4=13 Moving to Node #0,0,1 Current State: 10:[23, 13], Operations: ['62-39=23', '52/4=13'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[62, 39, 4, 52], Operations: [] Exploring Operation: 62-39=23, Resulting Numbers: [4, 52, 23] Generated Node #0,0: 10:[4, 52, 23] Operation: 62-39=23 Moving to Node #0,0 Current State: 10:[4, 52, 23], Operations: ['62-39=23'] Exploring Operation: 52/4=13, Resulting Numbers: [23, 13] Generated Node #0,0,1: 10:[23, 13] Operation: 52/4=13 Moving to Node #0,0,1 Current State: 10:[23, 13], Operations: ['62-39=23', '52/4=13'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 64, 13, 71, 28 ]
52
[ "71-64=7", "13*28=364", "364/7=52" ]
Current State: 52:[64, 13, 71, 28], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [13, 28, 7] Generated Node #2: [13, 28, 7] from Operation: 71-64=7 Current State: 52:[13, 28, 7], Operations: ['71-64=7'] Exploring Operation: 13*28=364, Resulting Numbers: [7, 364] Generated Node #3: [7, 364] from Operation: 13*28=364 Current State: 52:[7, 364], Operations: ['71-64=7', '13*28=364'] Exploring Operation: 364/7=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[64, 13, 71, 28], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [13, 28, 7] Generated Node #0,0: 52:[13, 28, 7] Operation: 71-64=7 Moving to Node #0,0 Current State: 52:[13, 28, 7], Operations: ['71-64=7'] Exploring Operation: 28/7=4, Resulting Numbers: [13, 4] Generated Node #0,0,0: 52:[13, 4] Operation: 28/7=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[13, 4], Operations: ['71-64=7', '28/7=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[64, 13, 71, 28], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [13, 28, 7] Generated Node #0,0: 52:[13, 28, 7] Operation: 71-64=7 Moving to Node #0,0 Current State: 52:[13, 28, 7], Operations: ['71-64=7'] Exploring Operation: 28/7=4, Resulting Numbers: [13, 4] Generated Node #0,0,0: 52:[13, 4] Operation: 28/7=4 Moving to Node #0,0,0 Current State: 52:[13, 4], Operations: ['71-64=7', '28/7=4'] Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 36, 7, 75, 25 ]
98
[ "75-36=39", "39-25=14", "7*14=98" ]
Current State: 98:[36, 7, 75, 25], Operations: [] Exploring Operation: 75-36=39, Resulting Numbers: [7, 25, 39] Generated Node #2: [7, 25, 39] from Operation: 75-36=39 Current State: 98:[7, 25, 39], Operations: ['75-36=39'] Exploring Operation: 39-25=14, Resulting Numbers: [7, 14] Generated Node #3: [7, 14] from Operation: 39-25=14 Current State: 98:[7, 14], Operations: ['75-36=39', '39-25=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[36, 7, 75, 25], Operations: [] Exploring Operation: 75+25=100, Resulting Numbers: [36, 7, 100] Generated Node #0,0: 98:[36, 7, 100] Operation: 75+25=100 Exploring Operation: 75/25=3, Resulting Numbers: [36, 7, 3] Generated Node #0,1: 98:[36, 7, 3] Operation: 75/25=3 Exploring Operation: 75-25=50, Resulting Numbers: [36, 7, 50] Generated Node #0,2: 98:[36, 7, 50] Operation: 75-25=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[36, 7, 3], Operations: ['75/25=3'] Exploring Operation: 36/3=12, Resulting Numbers: [7, 12] Generated Node #0,1,0: 98:[7, 12] Operation: 36/3=12 Exploring Operation: 36+3=39, Resulting Numbers: [7, 39] Generated Node #0,1,1: 98:[7, 39] Operation: 36+3=39 Exploring Operation: 36+7=43, Resulting Numbers: [3, 43] Generated Node #0,1,2: 98:[3, 43] Operation: 36+7=43 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[7, 12], Operations: ['75/25=3', '36/3=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,98 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[3, 43], Operations: ['75/25=3', '36+7=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,98 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[7, 39], Operations: ['75/25=3', '36+3=39'] Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,98 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[36, 7, 50], Operations: ['75-25=50'] Exploring Operation: 50-36=14, Resulting Numbers: [7, 14] Generated Node #0,2,0: 98:[7, 14] Operation: 50-36=14 Exploring Operation: 36+7=43, Resulting Numbers: [50, 43] Generated Node #0,2,1: 98:[50, 43] Operation: 36+7=43 Exploring Operation: 36+50=86, Resulting Numbers: [7, 86] Generated Node #0,2,2: 98:[7, 86] Operation: 36+50=86 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[7, 14], Operations: ['75-25=50', '50-36=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[36, 7, 75, 25], Operations: [] Exploring Operation: 75-25=50, Resulting Numbers: [36, 7, 50] Generated Node #0,2: 98:[36, 7, 50] Operation: 75-25=50 Moving to Node #0,2 Current State: 98:[36, 7, 50], Operations: ['75-25=50'] Exploring Operation: 50-36=14, Resulting Numbers: [7, 14] Generated Node #0,2,0: 98:[7, 14] Operation: 50-36=14 Moving to Node #0,2,0 Current State: 98:[7, 14], Operations: ['75-25=50', '50-36=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 84, 15, 86, 89 ]
39
[ "89-86=3", "15*3=45", "84-45=39" ]
Current State: 39:[84, 15, 86, 89], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [84, 15, 3] Generated Node #2: [84, 15, 3] from Operation: 89-86=3 Current State: 39:[84, 15, 3], Operations: ['89-86=3'] Exploring Operation: 15*3=45, Resulting Numbers: [84, 45] Generated Node #3: [84, 45] from Operation: 15*3=45 Current State: 39:[84, 45], Operations: ['89-86=3', '15*3=45'] Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[84, 15, 86, 89], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [84, 15, 3] Generated Node #0,0: 39:[84, 15, 3] Operation: 89-86=3 Moving to Node #0,0 Current State: 39:[84, 15, 3], Operations: ['89-86=3'] Exploring Operation: 84/3=28, Resulting Numbers: [15, 28] Generated Node #0,0,0: 39:[15, 28] Operation: 84/3=28 Moving to Node #0,0,0 Current State: 39:[15, 28], Operations: ['89-86=3', '84/3=28'] Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,39 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 3, 1, 63, 87 ]
28
[ "3+1=4", "87-63=24", "4+24=28" ]
Current State: 28:[3, 1, 63, 87], Operations: [] Exploring Operation: 3+1=4, Resulting Numbers: [63, 87, 4] Generated Node #2: [63, 87, 4] from Operation: 3+1=4 Current State: 28:[63, 87, 4], Operations: ['3+1=4'] Exploring Operation: 87-63=24, Resulting Numbers: [4, 24] Generated Node #3: [4, 24] from Operation: 87-63=24 Current State: 28:[4, 24], Operations: ['3+1=4', '87-63=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[3, 1, 63, 87], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [3, 1, 24] Generated Node #0,0: 28:[3, 1, 24] Operation: 87-63=24 Exploring Operation: 63/3=21, Resulting Numbers: [1, 87, 21] Generated Node #0,1: 28:[1, 87, 21] Operation: 63/3=21 Exploring Operation: 63-3=60, Resulting Numbers: [1, 87, 60] Generated Node #0,2: 28:[1, 87, 60] Operation: 63-3=60 Exploring Operation: 87/3=29, Resulting Numbers: [1, 63, 29] Generated Node #0,3: 28:[1, 63, 29] Operation: 87/3=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[3, 1, 24], Operations: ['87-63=24'] Exploring Operation: 3+1=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 28:[24, 4] Operation: 3+1=4 Exploring Operation: 3+24=27, Resulting Numbers: [1, 27] Generated Node #0,0,1: 28:[1, 27] Operation: 3+24=27 Exploring Operation: 3-1=2, Resulting Numbers: [24, 2] Generated Node #0,0,2: 28:[24, 2] Operation: 3-1=2 Exploring Operation: 24/3=8, Resulting Numbers: [1, 8] Generated Node #0,0,3: 28:[1, 8] Operation: 24/3=8 Moving to Node #0,0,1 Current State: 28:[1, 27], Operations: ['87-63=24', '3+24=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,28 unequal: No Solution Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[3, 1, 63, 87], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [3, 1, 24] Generated Node #0,0: 28:[3, 1, 24] Operation: 87-63=24 Moving to Node #0,0 Current State: 28:[3, 1, 24], Operations: ['87-63=24'] Exploring Operation: 3+24=27, Resulting Numbers: [1, 27] Generated Node #0,0,1: 28:[1, 27] Operation: 3+24=27 Moving to Node #0,0,1 Current State: 28:[1, 27], Operations: ['87-63=24', '3+24=27'] Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 17, 78, 5, 29 ]
27
[ "78-17=61", "5+29=34", "61-34=27" ]
Current State: 27:[17, 78, 5, 29], Operations: [] Exploring Operation: 78-17=61, Resulting Numbers: [5, 29, 61] Generated Node #2: [5, 29, 61] from Operation: 78-17=61 Current State: 27:[5, 29, 61], Operations: ['78-17=61'] Exploring Operation: 5+29=34, Resulting Numbers: [61, 34] Generated Node #3: [61, 34] from Operation: 5+29=34 Current State: 27:[61, 34], Operations: ['78-17=61', '5+29=34'] Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[17, 78, 5, 29], Operations: [] Exploring Operation: 17-5=12, Resulting Numbers: [78, 29, 12] Generated Node #0,0: 27:[78, 29, 12] Operation: 17-5=12 Exploring Operation: 78-29=49, Resulting Numbers: [17, 5, 49] Generated Node #0,1: 27:[17, 5, 49] Operation: 78-29=49 Exploring Operation: 78-5=73, Resulting Numbers: [17, 29, 73] Generated Node #0,2: 27:[17, 29, 73] Operation: 78-5=73 Exploring Operation: 78-17=61, Resulting Numbers: [5, 29, 61] Generated Node #0,3: 27:[5, 29, 61] Operation: 78-17=61 Exploring Operation: 29-17=12, Resulting Numbers: [78, 5, 12] Generated Node #0,4: 27:[78, 5, 12] Operation: 29-17=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[17, 5, 49], Operations: ['78-29=49'] Exploring Operation: 49-17=32, Resulting Numbers: [5, 32] Generated Node #0,1,0: 27:[5, 32] Operation: 49-17=32 Exploring Operation: 17-5=12, Resulting Numbers: [49, 12] Generated Node #0,1,1: 27:[49, 12] Operation: 17-5=12 Exploring Operation: 5+49=54, Resulting Numbers: [17, 54] Generated Node #0,1,2: 27:[17, 54] Operation: 5+49=54 Exploring Operation: 49-5=44, Resulting Numbers: [17, 44] Generated Node #0,1,3: 27:[17, 44] Operation: 49-5=44 Exploring Operation: 17+5=22, Resulting Numbers: [49, 22] Generated Node #0,1,4: 27:[49, 22] Operation: 17+5=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[5, 32], Operations: ['78-29=49', '49-17=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,27 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,27 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[17, 78, 5, 29], Operations: [] Exploring Operation: 78-29=49, Resulting Numbers: [17, 5, 49] Generated Node #0,1: 27:[17, 5, 49] Operation: 78-29=49 Moving to Node #0,1 Current State: 27:[17, 5, 49], Operations: ['78-29=49'] Exploring Operation: 49-17=32, Resulting Numbers: [5, 32] Generated Node #0,1,0: 27:[5, 32] Operation: 49-17=32 Moving to Node #0,1,0 Current State: 27:[5, 32], Operations: ['78-29=49', '49-17=32'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 49, 12, 6, 78 ]
50
[ "49-12=37", "78/6=13", "37+13=50" ]
Current State: 50:[49, 12, 6, 78], Operations: [] Exploring Operation: 49-12=37, Resulting Numbers: [6, 78, 37] Generated Node #2: [6, 78, 37] from Operation: 49-12=37 Current State: 50:[6, 78, 37], Operations: ['49-12=37'] Exploring Operation: 78/6=13, Resulting Numbers: [37, 13] Generated Node #3: [37, 13] from Operation: 78/6=13 Current State: 50:[37, 13], Operations: ['49-12=37', '78/6=13'] Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[49, 12, 6, 78], Operations: [] Exploring Operation: 78-12=66, Resulting Numbers: [49, 6, 66] Generated Node #0,0: 50:[49, 6, 66] Operation: 78-12=66 Exploring Operation: 78-6=72, Resulting Numbers: [49, 12, 72] Generated Node #0,1: 50:[49, 12, 72] Operation: 78-6=72 Exploring Operation: 78-49=29, Resulting Numbers: [12, 6, 29] Generated Node #0,2: 50:[12, 6, 29] Operation: 78-49=29 Exploring Operation: 12/6=2, Resulting Numbers: [49, 78, 2] Generated Node #0,3: 50:[49, 78, 2] Operation: 12/6=2 Exploring Operation: 78/6=13, Resulting Numbers: [49, 12, 13] Generated Node #0,4: 50:[49, 12, 13] Operation: 78/6=13 Start Sub Search at level 1: Moving to Node #0,4 Current State: 50:[49, 12, 13], Operations: ['78/6=13'] Exploring Operation: 49-13=36, Resulting Numbers: [12, 36] Generated Node #0,4,0: 50:[12, 36] Operation: 49-13=36 Exploring Operation: 13-12=1, Resulting Numbers: [49, 1] Generated Node #0,4,1: 50:[49, 1] Operation: 13-12=1 Exploring Operation: 12+13=25, Resulting Numbers: [49, 25] Generated Node #0,4,2: 50:[49, 25] Operation: 12+13=25 Exploring Operation: 49+12=61, Resulting Numbers: [13, 61] Generated Node #0,4,3: 50:[13, 61] Operation: 49+12=61 Exploring Operation: 49+13=62, Resulting Numbers: [12, 62] Generated Node #0,4,4: 50:[12, 62] Operation: 49+13=62 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 50:[49, 25], Operations: ['78/6=13', '12+13=25'] Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,50 unequal: No Solution Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 50:[49, 1], Operations: ['78/6=13', '13-12=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,50 unequal: No Solution Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[49, 12, 6, 78], Operations: [] Exploring Operation: 78/6=13, Resulting Numbers: [49, 12, 13] Generated Node #0,4: 50:[49, 12, 13] Operation: 78/6=13 Moving to Node #0,4 Current State: 50:[49, 12, 13], Operations: ['78/6=13'] Exploring Operation: 13-12=1, Resulting Numbers: [49, 1] Generated Node #0,4,1: 50:[49, 1] Operation: 13-12=1 Moving to Node #0,4,1 Current State: 50:[49, 1], Operations: ['78/6=13', '13-12=1'] Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 80, 24, 59, 12 ]
38
[ "24*59=1416", "1416/12=118", "118-80=38" ]
Current State: 38:[80, 24, 59, 12], Operations: [] Exploring Operation: 24*59=1416, Resulting Numbers: [80, 12, 1416] Generated Node #2: [80, 12, 1416] from Operation: 24*59=1416 Current State: 38:[80, 12, 1416], Operations: ['24*59=1416'] Exploring Operation: 1416/12=118, Resulting Numbers: [80, 118] Generated Node #3: [80, 118] from Operation: 1416/12=118 Current State: 38:[80, 118], Operations: ['24*59=1416', '1416/12=118'] Exploring Operation: 118-80=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[80, 24, 59, 12], Operations: [] Exploring Operation: 80-24=56, Resulting Numbers: [59, 12, 56] Generated Node #0,0: 38:[59, 12, 56] Operation: 80-24=56 Exploring Operation: 59-24=35, Resulting Numbers: [80, 12, 35] Generated Node #0,1: 38:[80, 12, 35] Operation: 59-24=35 Exploring Operation: 80-12=68, Resulting Numbers: [24, 59, 68] Generated Node #0,2: 38:[24, 59, 68] Operation: 80-12=68 Exploring Operation: 80-59=21, Resulting Numbers: [24, 12, 21] Generated Node #0,3: 38:[24, 12, 21] Operation: 80-59=21 Moving to Node #0,3 Current State: 38:[24, 12, 21], Operations: ['80-59=21'] Exploring Operation: 24-12=12, Resulting Numbers: [21, 12] Generated Node #0,3,0: 38:[21, 12] Operation: 24-12=12 Exploring Operation: 24/12=2, Resulting Numbers: [21, 2] Generated Node #0,3,1: 38:[21, 2] Operation: 24/12=2 Exploring Operation: 24-21=3, Resulting Numbers: [12, 3] Generated Node #0,3,2: 38:[12, 3] Operation: 24-21=3 Exploring Operation: 24+12=36, Resulting Numbers: [21, 36] Generated Node #0,3,3: 38:[21, 36] Operation: 24+12=36 Moving to Node #0,0 Current State: 38:[59, 12, 56], Operations: ['80-24=56'] Exploring Operation: 56-12=44, Resulting Numbers: [59, 44] Generated Node #0,0,0: 38:[59, 44] Operation: 56-12=44 Exploring Operation: 59-12=47, Resulting Numbers: [56, 47] Generated Node #0,0,1: 38:[56, 47] Operation: 59-12=47 Exploring Operation: 59-56=3, Resulting Numbers: [12, 3] Generated Node #0,0,2: 38:[12, 3] Operation: 59-56=3 Exploring Operation: 59+12=71, Resulting Numbers: [56, 71] Generated Node #0,0,3: 38:[56, 71] Operation: 59+12=71 Moving to Node #0,1 Current State: 38:[80, 12, 35], Operations: ['59-24=35'] Exploring Operation: 35-12=23, Resulting Numbers: [80, 23] Generated Node #0,1,0: 38:[80, 23] Operation: 35-12=23 Exploring Operation: 80-35=45, Resulting Numbers: [12, 45] Generated Node #0,1,1: 38:[12, 45] Operation: 80-35=45 Exploring Operation: 80-12=68, Resulting Numbers: [35, 68] Generated Node #0,1,2: 38:[35, 68] Operation: 80-12=68 Exploring Operation: 12+35=47, Resulting Numbers: [80, 47] Generated Node #0,1,3: 38:[80, 47] Operation: 12+35=47 Moving to Node #0,2 Current State: 38:[24, 59, 68], Operations: ['80-12=68'] Exploring Operation: 59-24=35, Resulting Numbers: [68, 35] Generated Node #0,2,0: 38:[68, 35] Operation: 59-24=35 Exploring Operation: 24+59=83, Resulting Numbers: [68, 83] Generated Node #0,2,1: 38:[68, 83] Operation: 24+59=83 Exploring Operation: 68-24=44, Resulting Numbers: [59, 44] Generated Node #0,2,2: 38:[59, 44] Operation: 68-24=44 Exploring Operation: 68-59=9, Resulting Numbers: [24, 9] Generated Node #0,2,3: 38:[24, 9] Operation: 68-59=9 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 38:[24, 9], Operations: ['80-12=68', '68-59=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[59, 44], Operations: ['80-12=68', '68-24=44'] Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 59*44=2596, Resulting Numbers: [2596] 2596,38 unequal: No Solution Exploring Operation: 59+44=103, Resulting Numbers: [103] 103,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[68, 35], Operations: ['80-12=68', '59-24=35'] Exploring Operation: 68+35=103, Resulting Numbers: [103] 103,38 unequal: No Solution Exploring Operation: 68*35=2380, Resulting Numbers: [2380] 2380,38 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[68, 83], Operations: ['80-12=68', '24+59=83'] Exploring Operation: 68*83=5644, Resulting Numbers: [5644] 5644,38 unequal: No Solution Exploring Operation: 68+83=151, Resulting Numbers: [151] 151,38 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 38:[21, 2], Operations: ['80-59=21', '24/12=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,38 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[21, 36], Operations: ['80-59=21', '24+12=36'] Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 21*36=756, Resulting Numbers: [756] 756,38 unequal: No Solution Moving to Node #0,3,2 Current State: 38:[12, 3], Operations: ['80-59=21', '24-21=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[12, 3], Operations: ['80-24=56', '59-56=3'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,38 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,38 unequal: No Solution Moving to Node #0,3,0 Current State: 38:[21, 12], Operations: ['80-59=21', '24-12=12'] Exploring Operation: 21*12=252, Resulting Numbers: [252] 252,38 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[12, 45], Operations: ['59-24=35', '80-35=45'] Exploring Operation: 12+45=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 12*45=540, Resulting Numbers: [540] 540,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[56, 47], Operations: ['80-24=56', '59-12=47'] Exploring Operation: 56*47=2632, Resulting Numbers: [2632] 2632,38 unequal: No Solution Exploring Operation: 56+47=103, Resulting Numbers: [103] 103,38 unequal: No Solution Exploring Operation: 56-47=9, Resulting Numbers: [9] 9,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[59, 44], Operations: ['80-24=56', '56-12=44'] Exploring Operation: 59*44=2596, Resulting Numbers: [2596] 2596,38 unequal: No Solution Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 59+44=103, Resulting Numbers: [103] 103,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[35, 68], Operations: ['59-24=35', '80-12=68'] Exploring Operation: 35*68=2380, Resulting Numbers: [2380] 2380,38 unequal: No Solution Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 35+68=103, Resulting Numbers: [103] 103,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[80, 23], Operations: ['59-24=35', '35-12=23'] Exploring Operation: 80*23=1840, Resulting Numbers: [1840] 1840,38 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 80+23=103, Resulting Numbers: [103] 103,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[56, 71], Operations: ['80-24=56', '59+12=71'] Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,38 unequal: No Solution Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 56*71=3976, Resulting Numbers: [3976] 3976,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[80, 47], Operations: ['59-24=35', '12+35=47'] Exploring Operation: 80+47=127, Resulting Numbers: [127] 127,38 unequal: No Solution Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 80*47=3760, Resulting Numbers: [3760] 3760,38 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 6, 8, 31, 69 ]
61
[ "8*69=552", "552/6=92", "92-31=61" ]
Current State: 61:[6, 8, 31, 69], Operations: [] Exploring Operation: 8*69=552, Resulting Numbers: [6, 31, 552] Generated Node #2: [6, 31, 552] from Operation: 8*69=552 Current State: 61:[6, 31, 552], Operations: ['8*69=552'] Exploring Operation: 552/6=92, Resulting Numbers: [31, 92] Generated Node #3: [31, 92] from Operation: 552/6=92 Current State: 61:[31, 92], Operations: ['8*69=552', '552/6=92'] Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[6, 8, 31, 69], Operations: [] Exploring Operation: 6+8=14, Resulting Numbers: [31, 69, 14] Generated Node #0,0: 61:[31, 69, 14] Operation: 6+8=14 Exploring Operation: 6+31=37, Resulting Numbers: [8, 69, 37] Generated Node #0,1: 61:[8, 69, 37] Operation: 6+31=37 Exploring Operation: 6*8=48, Resulting Numbers: [31, 69, 48] Generated Node #0,2: 61:[31, 69, 48] Operation: 6*8=48 Moving to Node #0,2 Current State: 61:[31, 69, 48], Operations: ['6*8=48'] Exploring Operation: 69-31=38, Resulting Numbers: [48, 38] Generated Node #0,2,0: 61:[48, 38] Operation: 69-31=38 Exploring Operation: 31+69=100, Resulting Numbers: [48, 100] Generated Node #0,2,1: 61:[48, 100] Operation: 31+69=100 Exploring Operation: 31+48=79, Resulting Numbers: [69, 79] Generated Node #0,2,2: 61:[69, 79] Operation: 31+48=79 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[69, 79], Operations: ['6*8=48', '31+48=79'] Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,61 unequal: No Solution Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,61 unequal: No Solution Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[48, 38], Operations: ['6*8=48', '69-31=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,61 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,61 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[48, 100], Operations: ['6*8=48', '31+69=100'] Exploring Operation: 48*100=4800, Resulting Numbers: [4800] 4800,61 unequal: No Solution Exploring Operation: 100-48=52, Resulting Numbers: [52] 52,61 unequal: No Solution Exploring Operation: 48+100=148, Resulting Numbers: [148] 148,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 61:[31, 69, 14], Operations: ['6+8=14'] Exploring Operation: 31-14=17, Resulting Numbers: [69, 17] Generated Node #0,0,0: 61:[69, 17] Operation: 31-14=17 Exploring Operation: 69-14=55, Resulting Numbers: [31, 55] Generated Node #0,0,1: 61:[31, 55] Operation: 69-14=55 Exploring Operation: 31+14=45, Resulting Numbers: [69, 45] Generated Node #0,0,2: 61:[69, 45] Operation: 31+14=45 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[69, 45], Operations: ['6+8=14', '31+14=45'] Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,61 unequal: No Solution Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[31, 55], Operations: ['6+8=14', '69-14=55'] Exploring Operation: 31*55=1705, Resulting Numbers: [1705] 1705,61 unequal: No Solution Exploring Operation: 31+55=86, Resulting Numbers: [86] 86,61 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[69, 17], Operations: ['6+8=14', '31-14=17'] Exploring Operation: 69*17=1173, Resulting Numbers: [1173] 1173,61 unequal: No Solution Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,61 unequal: No Solution Exploring Operation: 69+17=86, Resulting Numbers: [86] 86,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 61:[8, 69, 37], Operations: ['6+31=37'] Exploring Operation: 8+37=45, Resulting Numbers: [69, 45] Generated Node #0,1,0: 61:[69, 45] Operation: 8+37=45 Exploring Operation: 8+69=77, Resulting Numbers: [37, 77] Generated Node #0,1,1: 61:[37, 77] Operation: 8+69=77 Exploring Operation: 69-8=61, Resulting Numbers: [37, 61] Generated Node #0,1,2: 61:[37, 61] Operation: 69-8=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[69, 45], Operations: ['6+31=37', '8+37=45'] Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,61 unequal: No Solution Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[37, 61], Operations: ['6+31=37', '69-8=61'] Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 37*61=2257, Resulting Numbers: [2257] 2257,61 unequal: No Solution Exploring Operation: 37+61=98, Resulting Numbers: [98] 98,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[37, 77], Operations: ['6+31=37', '8+69=77'] Exploring Operation: 37*77=2849, Resulting Numbers: [2849] 2849,61 unequal: No Solution Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,61 unequal: No Solution Exploring Operation: 37+77=114, Resulting Numbers: [114] 114,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 97, 14, 13, 9 ]
100
[ "14+13=27", "27/9=3", "97+3=100" ]
Current State: 100:[97, 14, 13, 9], Operations: [] Exploring Operation: 14+13=27, Resulting Numbers: [97, 9, 27] Generated Node #2: [97, 9, 27] from Operation: 14+13=27 Current State: 100:[97, 9, 27], Operations: ['14+13=27'] Exploring Operation: 27/9=3, Resulting Numbers: [97, 3] Generated Node #3: [97, 3] from Operation: 27/9=3 Current State: 100:[97, 3], Operations: ['14+13=27', '27/9=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[97, 14, 13, 9], Operations: [] Exploring Operation: 14+9=23, Resulting Numbers: [97, 13, 23] Generated Node #0,0: 100:[97, 13, 23] Operation: 14+9=23 Exploring Operation: 14-9=5, Resulting Numbers: [97, 13, 5] Generated Node #0,1: 100:[97, 13, 5] Operation: 14-9=5 Exploring Operation: 14+13=27, Resulting Numbers: [97, 9, 27] Generated Node #0,2: 100:[97, 9, 27] Operation: 14+13=27 Exploring Operation: 13-9=4, Resulting Numbers: [97, 14, 4] Generated Node #0,3: 100:[97, 14, 4] Operation: 13-9=4 Exploring Operation: 14-13=1, Resulting Numbers: [97, 9, 1] Generated Node #0,4: 100:[97, 9, 1] Operation: 14-13=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 100:[97, 9, 1], Operations: ['14-13=1'] Exploring Operation: 9*1=9, Resulting Numbers: [97, 9] Generated Node #0,4,0: 100:[97, 9] Operation: 9*1=9 Exploring Operation: 9+1=10, Resulting Numbers: [97, 10] Generated Node #0,4,1: 100:[97, 10] Operation: 9+1=10 Exploring Operation: 97*1=97, Resulting Numbers: [9, 97] Generated Node #0,4,2: 100:[9, 97] Operation: 97*1=97 Exploring Operation: 97/1=97, Resulting Numbers: [9, 97] Generated Node #0,4,3: 100:[9, 97] Operation: 97/1=97 Exploring Operation: 97+1=98, Resulting Numbers: [9, 98] Generated Node #0,4,4: 100:[9, 98] Operation: 97+1=98 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 100:[97, 10], Operations: ['14-13=1', '9+1=10'] Exploring Operation: 97*10=970, Resulting Numbers: [970] 970,100 unequal: No Solution Exploring Operation: 97+10=107, Resulting Numbers: [107] 107,100 unequal: No Solution Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 100:[9, 98], Operations: ['14-13=1', '97+1=98'] Exploring Operation: 9+98=107, Resulting Numbers: [107] 107,100 unequal: No Solution Exploring Operation: 9*98=882, Resulting Numbers: [882] 882,100 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 100:[97, 9], Operations: ['14-13=1', '9*1=9'] Exploring Operation: 97*9=873, Resulting Numbers: [873] 873,100 unequal: No Solution Exploring Operation: 97+9=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 100:[9, 97], Operations: ['14-13=1', '97*1=97'] Exploring Operation: 9+97=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,100 unequal: No Solution Exploring Operation: 9*97=873, Resulting Numbers: [873] 873,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 100:[9, 97], Operations: ['14-13=1', '97/1=97'] Exploring Operation: 9*97=873, Resulting Numbers: [873] 873,100 unequal: No Solution Exploring Operation: 9+97=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[97, 13, 5], Operations: ['14-9=5'] Exploring Operation: 13-5=8, Resulting Numbers: [97, 8] Generated Node #0,1,0: 100:[97, 8] Operation: 13-5=8 Exploring Operation: 13+5=18, Resulting Numbers: [97, 18] Generated Node #0,1,1: 100:[97, 18] Operation: 13+5=18 Exploring Operation: 97+13=110, Resulting Numbers: [5, 110] Generated Node #0,1,2: 100:[5, 110] Operation: 97+13=110 Exploring Operation: 97+5=102, Resulting Numbers: [13, 102] Generated Node #0,1,3: 100:[13, 102] Operation: 97+5=102 Exploring Operation: 97-5=92, Resulting Numbers: [13, 92] Generated Node #0,1,4: 100:[13, 92] Operation: 97-5=92 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[97, 8], Operations: ['14-9=5', '13-5=8'] Exploring Operation: 97*8=776, Resulting Numbers: [776] 776,100 unequal: No Solution Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,100 unequal: No Solution Exploring Operation: 97+8=105, Resulting Numbers: [105] 105,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[97, 18], Operations: ['14-9=5', '13+5=18'] Exploring Operation: 97*18=1746, Resulting Numbers: [1746] 1746,100 unequal: No Solution Exploring Operation: 97-18=79, Resulting Numbers: [79] 79,100 unequal: No Solution Exploring Operation: 97+18=115, Resulting Numbers: [115] 115,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 100:[13, 102], Operations: ['14-9=5', '97+5=102'] Exploring Operation: 13*102=1326, Resulting Numbers: [1326] 1326,100 unequal: No Solution Exploring Operation: 13+102=115, Resulting Numbers: [115] 115,100 unequal: No Solution Exploring Operation: 102-13=89, Resulting Numbers: [89] 89,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 100:[5, 110], Operations: ['14-9=5', '97+13=110'] Exploring Operation: 5+110=115, Resulting Numbers: [115] 115,100 unequal: No Solution Exploring Operation: 5*110=550, Resulting Numbers: [550] 550,100 unequal: No Solution Exploring Operation: 110/5=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 110-5=105, Resulting Numbers: [105] 105,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 100:[13, 92], Operations: ['14-9=5', '97-5=92'] Exploring Operation: 13*92=1196, Resulting Numbers: [1196] 1196,100 unequal: No Solution Exploring Operation: 13+92=105, Resulting Numbers: [105] 105,100 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[97, 9, 27], Operations: ['14+13=27'] Exploring Operation: 9+27=36, Resulting Numbers: [97, 36] Generated Node #0,2,0: 100:[97, 36] Operation: 9+27=36 Exploring Operation: 97-9=88, Resulting Numbers: [27, 88] Generated Node #0,2,1: 100:[27, 88] Operation: 97-9=88 Exploring Operation: 27/9=3, Resulting Numbers: [97, 3] Generated Node #0,2,2: 100:[97, 3] Operation: 27/9=3 Exploring Operation: 97+9=106, Resulting Numbers: [27, 106] Generated Node #0,2,3: 100:[27, 106] Operation: 97+9=106 Exploring Operation: 27-9=18, Resulting Numbers: [97, 18] Generated Node #0,2,4: 100:[97, 18] Operation: 27-9=18 Moving to Node #0,2,2 Current State: 100:[97, 3], Operations: ['14+13=27', '27/9=3'] Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,100 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[97, 14, 13, 9], Operations: [] Exploring Operation: 14+13=27, Resulting Numbers: [97, 9, 27] Generated Node #0,2: 100:[97, 9, 27] Operation: 14+13=27 Moving to Node #0,2 Current State: 100:[97, 9, 27], Operations: ['14+13=27'] Exploring Operation: 27/9=3, Resulting Numbers: [97, 3] Generated Node #0,2,2: 100:[97, 3] Operation: 27/9=3 Moving to Node #0,2,2 Current State: 100:[97, 3], Operations: ['14+13=27', '27/9=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 49, 38, 81, 4 ]
42
[ "49+38=87", "81+87=168", "168/4=42" ]
Current State: 42:[49, 38, 81, 4], Operations: [] Exploring Operation: 49+38=87, Resulting Numbers: [81, 4, 87] Generated Node #2: [81, 4, 87] from Operation: 49+38=87 Current State: 42:[81, 4, 87], Operations: ['49+38=87'] Exploring Operation: 81+87=168, Resulting Numbers: [4, 168] Generated Node #3: [4, 168] from Operation: 81+87=168 Current State: 42:[4, 168], Operations: ['49+38=87', '81+87=168'] Exploring Operation: 168/4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[49, 38, 81, 4], Operations: [] Exploring Operation: 81-38=43, Resulting Numbers: [49, 4, 43] Generated Node #0,0: 42:[49, 4, 43] Operation: 81-38=43 Moving to Node #0,0 Current State: 42:[49, 4, 43], Operations: ['81-38=43'] Exploring Operation: 49-43=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 42:[4, 6] Operation: 49-43=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[4, 6], Operations: ['81-38=43', '49-43=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 47, 28, 25, 79 ]
82
[ "47+28=75", "75/25=3", "79+3=82" ]
Current State: 82:[47, 28, 25, 79], Operations: [] Exploring Operation: 47+28=75, Resulting Numbers: [25, 79, 75] Generated Node #2: [25, 79, 75] from Operation: 47+28=75 Current State: 82:[25, 79, 75], Operations: ['47+28=75'] Exploring Operation: 75/25=3, Resulting Numbers: [79, 3] Generated Node #3: [79, 3] from Operation: 75/25=3 Current State: 82:[79, 3], Operations: ['47+28=75', '75/25=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[47, 28, 25, 79], Operations: [] Exploring Operation: 28+25=53, Resulting Numbers: [47, 79, 53] Generated Node #0,0: 82:[47, 79, 53] Operation: 28+25=53 Exploring Operation: 28-25=3, Resulting Numbers: [47, 79, 3] Generated Node #0,1: 82:[47, 79, 3] Operation: 28-25=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[47, 79, 3], Operations: ['28-25=3'] Exploring Operation: 47-3=44, Resulting Numbers: [79, 44] Generated Node #0,1,0: 82:[79, 44] Operation: 47-3=44 Exploring Operation: 79+3=82, Resulting Numbers: [47, 82] Generated Node #0,1,1: 82:[47, 82] Operation: 79+3=82 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[79, 44], Operations: ['28-25=3', '47-3=44'] Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,82 unequal: No Solution Exploring Operation: 79+44=123, Resulting Numbers: [123] 123,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[47, 82], Operations: ['28-25=3', '79+3=82'] Exploring Operation: 47+82=129, Resulting Numbers: [129] 129,82 unequal: No Solution Exploring Operation: 82-47=35, Resulting Numbers: [35] 35,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[47, 79, 53], Operations: ['28+25=53'] Exploring Operation: 79-47=32, Resulting Numbers: [53, 32] Generated Node #0,0,0: 82:[53, 32] Operation: 79-47=32 Exploring Operation: 53-47=6, Resulting Numbers: [79, 6] Generated Node #0,0,1: 82:[79, 6] Operation: 53-47=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[79, 6], Operations: ['28+25=53', '53-47=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,82 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[53, 32], Operations: ['28+25=53', '79-47=32'] Exploring Operation: 53+32=85, Resulting Numbers: [85] 85,82 unequal: No Solution Exploring Operation: 53-32=21, Resulting Numbers: [21] 21,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 49, 13, 37, 52 ]
47
[ "49+13=62", "52-37=15", "62-15=47" ]
Current State: 47:[49, 13, 37, 52], Operations: [] Exploring Operation: 49+13=62, Resulting Numbers: [37, 52, 62] Generated Node #2: [37, 52, 62] from Operation: 49+13=62 Current State: 47:[37, 52, 62], Operations: ['49+13=62'] Exploring Operation: 52-37=15, Resulting Numbers: [62, 15] Generated Node #3: [62, 15] from Operation: 52-37=15 Current State: 47:[62, 15], Operations: ['49+13=62', '52-37=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[49, 13, 37, 52], Operations: [] Exploring Operation: 49+13=62, Resulting Numbers: [37, 52, 62] Generated Node #0,0: 47:[37, 52, 62] Operation: 49+13=62 Exploring Operation: 13+37=50, Resulting Numbers: [49, 52, 50] Generated Node #0,1: 47:[49, 52, 50] Operation: 13+37=50 Exploring Operation: 49-13=36, Resulting Numbers: [37, 52, 36] Generated Node #0,2: 47:[37, 52, 36] Operation: 49-13=36 Exploring Operation: 52-13=39, Resulting Numbers: [49, 37, 39] Generated Node #0,3: 47:[49, 37, 39] Operation: 52-13=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[49, 52, 50], Operations: ['13+37=50'] Exploring Operation: 52-50=2, Resulting Numbers: [49, 2] Generated Node #0,1,0: 47:[49, 2] Operation: 52-50=2 Exploring Operation: 52-49=3, Resulting Numbers: [50, 3] Generated Node #0,1,1: 47:[50, 3] Operation: 52-49=3 Exploring Operation: 50-49=1, Resulting Numbers: [52, 1] Generated Node #0,1,2: 47:[52, 1] Operation: 50-49=1 Exploring Operation: 49+52=101, Resulting Numbers: [50, 101] Generated Node #0,1,3: 47:[50, 101] Operation: 49+52=101 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[49, 2], Operations: ['13+37=50', '52-50=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,47 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[49, 13, 37, 52], Operations: [] Exploring Operation: 13+37=50, Resulting Numbers: [49, 52, 50] Generated Node #0,1: 47:[49, 52, 50] Operation: 13+37=50 Moving to Node #0,1 Current State: 47:[49, 52, 50], Operations: ['13+37=50'] Exploring Operation: 52-50=2, Resulting Numbers: [49, 2] Generated Node #0,1,0: 47:[49, 2] Operation: 52-50=2 Moving to Node #0,1,0 Current State: 47:[49, 2], Operations: ['13+37=50', '52-50=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 9, 21, 36, 21 ]
63
[ "21-9=12", "36*21=756", "756/12=63" ]
Current State: 63:[9, 21, 36, 21], Operations: [] Exploring Operation: 21-9=12, Resulting Numbers: [36, 12] Generated Node #2: [36, 12] from Operation: 21-9=12 Current State: 63:[36, 12], Operations: ['21-9=12'] Exploring Operation: 36*21=756, Resulting Numbers: [12, 756] Generated Node #3: [12, 756] from Operation: 36*21=756 Current State: 63:[12, 756], Operations: ['21-9=12', '36*21=756'] Exploring Operation: 756/12=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[9, 21, 36, 21], Operations: [] Exploring Operation: 21+36=57, Resulting Numbers: [9, 21, 57] Generated Node #0,0: 63:[9, 21, 57] Operation: 21+36=57 Exploring Operation: 36/9=4, Resulting Numbers: [21, 21, 4] Generated Node #0,1: 63:[21, 21, 4] Operation: 36/9=4 Exploring Operation: 36-9=27, Resulting Numbers: [21, 21, 27] Generated Node #0,2: 63:[21, 21, 27] Operation: 36-9=27 Exploring Operation: 36-21=15, Resulting Numbers: [9, 21, 15] Generated Node #0,3: 63:[9, 21, 15] Operation: 36-21=15 Moving to Node #0,1 Current State: 63:[21, 21, 4], Operations: ['36/9=4'] Exploring Operation: 21/21=1, Resulting Numbers: [4, 1] Generated Node #0,1,0: 63:[4, 1] Operation: 21/21=1 Exploring Operation: 21-21=0, Resulting Numbers: [4, 0] Generated Node #0,1,1: 63:[4, 0] Operation: 21-21=0 Exploring Operation: 21+4=25, Resulting Numbers: [21, 25] Generated Node #0,1,2: 63:[21, 25] Operation: 21+4=25 Exploring Operation: 21-4=17, Resulting Numbers: [21, 17] Generated Node #0,1,3: 63:[21, 17] Operation: 21-4=17 Moving to Node #0,2 Current State: 63:[21, 21, 27], Operations: ['36-9=27'] Exploring Operation: 27-21=6, Resulting Numbers: [21, 6] Generated Node #0,2,0: 63:[21, 6] Operation: 27-21=6 Exploring Operation: 21/21=1, Resulting Numbers: [27, 1] Generated Node #0,2,1: 63:[27, 1] Operation: 21/21=1 Exploring Operation: 21-21=0, Resulting Numbers: [27, 0] Generated Node #0,2,2: 63:[27, 0] Operation: 21-21=0 Exploring Operation: 27-21=6, Resulting Numbers: [21, 6] Generated Node #0,2,3: 63:[21, 6] Operation: 27-21=6 Moving to Node #0,0 Current State: 63:[9, 21, 57], Operations: ['21+36=57'] Exploring Operation: 9+57=66, Resulting Numbers: [21, 66] Generated Node #0,0,0: 63:[21, 66] Operation: 9+57=66 Exploring Operation: 57-9=48, Resulting Numbers: [21, 48] Generated Node #0,0,1: 63:[21, 48] Operation: 57-9=48 Exploring Operation: 9+21=30, Resulting Numbers: [57, 30] Generated Node #0,0,2: 63:[57, 30] Operation: 9+21=30 Exploring Operation: 21-9=12, Resulting Numbers: [57, 12] Generated Node #0,0,3: 63:[57, 12] Operation: 21-9=12 Moving to Node #0,3 Current State: 63:[9, 21, 15], Operations: ['36-21=15'] Exploring Operation: 21-9=12, Resulting Numbers: [15, 12] Generated Node #0,3,0: 63:[15, 12] Operation: 21-9=12 Exploring Operation: 9+15=24, Resulting Numbers: [21, 24] Generated Node #0,3,1: 63:[21, 24] Operation: 9+15=24 Exploring Operation: 15-9=6, Resulting Numbers: [21, 6] Generated Node #0,3,2: 63:[21, 6] Operation: 15-9=6 Exploring Operation: 21-15=6, Resulting Numbers: [9, 6] Generated Node #0,3,3: 63:[9, 6] Operation: 21-15=6 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 63:[21, 6], Operations: ['36-21=15', '15-9=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,63 unequal: No Solution Exploring Operation: 21*6=126, Resulting Numbers: [126] 126,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 63:[9, 6], Operations: ['36-21=15', '21-15=6'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 63:[21, 24], Operations: ['36-21=15', '9+15=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,63 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[15, 12], Operations: ['36-21=15', '21-9=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,63 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 63:[21, 6], Operations: ['36-9=27', '27-21=6'] Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,63 unequal: No Solution Exploring Operation: 21*6=126, Resulting Numbers: [126] 126,63 unequal: No Solution Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,63 unequal: No Solution Moving to Node #0,2,3 Current State: 63:[21, 6], Operations: ['36-9=27', '27-21=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,63 unequal: No Solution Exploring Operation: 21*6=126, Resulting Numbers: [126] 126,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[4, 1], Operations: ['36/9=4', '21/21=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[21, 66], Operations: ['21+36=57', '9+57=66'] Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,63 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[21, 25], Operations: ['36/9=4', '21+4=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,63 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[4, 0], Operations: ['36/9=4', '21-21=0'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[21, 17], Operations: ['36/9=4', '21-4=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,63 unequal: No Solution Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,63 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[27, 1], Operations: ['36-9=27', '21/21=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[57, 12], Operations: ['21+36=57', '21-9=12'] Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 57*12=684, Resulting Numbers: [684] 684,63 unequal: No Solution Exploring Operation: 57+12=69, Resulting Numbers: [69] 69,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[27, 0], Operations: ['36-9=27', '21-21=0'] Exploring Operation: 27*0=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 27-0=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 27+0=27, Resulting Numbers: [27] 27,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[21, 48], Operations: ['21+36=57', '57-9=48'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,63 unequal: No Solution Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[57, 30], Operations: ['21+36=57', '9+21=30'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,63 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,63 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 26, 6, 35, 77 ]
44
[ "26*6=156", "35+77=112", "156-112=44" ]
Current State: 44:[26, 6, 35, 77], Operations: [] Exploring Operation: 26*6=156, Resulting Numbers: [35, 77, 156] Generated Node #2: [35, 77, 156] from Operation: 26*6=156 Current State: 44:[35, 77, 156], Operations: ['26*6=156'] Exploring Operation: 35+77=112, Resulting Numbers: [156, 112] Generated Node #3: [156, 112] from Operation: 35+77=112 Current State: 44:[156, 112], Operations: ['26*6=156', '35+77=112'] Exploring Operation: 156-112=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[26, 6, 35, 77], Operations: [] Exploring Operation: 77-35=42, Resulting Numbers: [26, 6, 42] Generated Node #0,0: 44:[26, 6, 42] Operation: 77-35=42 Moving to Node #0,0 Current State: 44:[26, 6, 42], Operations: ['77-35=42'] Exploring Operation: 26-6=20, Resulting Numbers: [42, 20] Generated Node #0,0,0: 44:[42, 20] Operation: 26-6=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[42, 20], Operations: ['77-35=42', '26-6=20'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 28, 83, 62, 52 ]
59
[ "83-28=55", "62+52=114", "114-55=59" ]
Current State: 59:[28, 83, 62, 52], Operations: [] Exploring Operation: 83-28=55, Resulting Numbers: [62, 52, 55] Generated Node #2: [62, 52, 55] from Operation: 83-28=55 Current State: 59:[62, 52, 55], Operations: ['83-28=55'] Exploring Operation: 62+52=114, Resulting Numbers: [55, 114] Generated Node #3: [55, 114] from Operation: 62+52=114 Current State: 59:[55, 114], Operations: ['83-28=55', '62+52=114'] Exploring Operation: 114-55=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[28, 83, 62, 52], Operations: [] Exploring Operation: 28+52=80, Resulting Numbers: [83, 62, 80] Generated Node #0,0: 59:[83, 62, 80] Operation: 28+52=80 Exploring Operation: 62-28=34, Resulting Numbers: [83, 52, 34] Generated Node #0,1: 59:[83, 52, 34] Operation: 62-28=34 Exploring Operation: 83-28=55, Resulting Numbers: [62, 52, 55] Generated Node #0,2: 59:[62, 52, 55] Operation: 83-28=55 Moving to Node #0,2 Current State: 59:[62, 52, 55], Operations: ['83-28=55'] Exploring Operation: 62+52=114, Resulting Numbers: [55, 114] Generated Node #0,2,0: 59:[55, 114] Operation: 62+52=114 Exploring Operation: 52+55=107, Resulting Numbers: [62, 107] Generated Node #0,2,1: 59:[62, 107] Operation: 52+55=107 Exploring Operation: 62-52=10, Resulting Numbers: [55, 10] Generated Node #0,2,2: 59:[55, 10] Operation: 62-52=10 Moving to Node #0,0 Current State: 59:[83, 62, 80], Operations: ['28+52=80'] Exploring Operation: 83-80=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 59:[62, 3] Operation: 83-80=3 Exploring Operation: 80-62=18, Resulting Numbers: [83, 18] Generated Node #0,0,1: 59:[83, 18] Operation: 80-62=18 Exploring Operation: 83-62=21, Resulting Numbers: [80, 21] Generated Node #0,0,2: 59:[80, 21] Operation: 83-62=21 Moving to Node #0,1 Current State: 59:[83, 52, 34], Operations: ['62-28=34'] Exploring Operation: 83-52=31, Resulting Numbers: [34, 31] Generated Node #0,1,0: 59:[34, 31] Operation: 83-52=31 Exploring Operation: 52+34=86, Resulting Numbers: [83, 86] Generated Node #0,1,1: 59:[83, 86] Operation: 52+34=86 Exploring Operation: 83-34=49, Resulting Numbers: [52, 49] Generated Node #0,1,2: 59:[52, 49] Operation: 83-34=49 Moving to Node #0,1,2 Current State: 59:[52, 49], Operations: ['62-28=34', '83-34=49'] Exploring Operation: 52*49=2548, Resulting Numbers: [2548] 2548,59 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 52+49=101, Resulting Numbers: [101] 101,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[62, 107], Operations: ['83-28=55', '52+55=107'] Exploring Operation: 62*107=6634, Resulting Numbers: [6634] 6634,59 unequal: No Solution Exploring Operation: 62+107=169, Resulting Numbers: [169] 169,59 unequal: No Solution Exploring Operation: 107-62=45, Resulting Numbers: [45] 45,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[83, 86], Operations: ['62-28=34', '52+34=86'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,59 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[34, 31], Operations: ['62-28=34', '83-52=31'] Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[55, 10], Operations: ['83-28=55', '62-52=10'] Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,59 unequal: No Solution Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[55, 114], Operations: ['83-28=55', '62+52=114'] Exploring Operation: 114-55=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[28, 83, 62, 52], Operations: [] Exploring Operation: 83-28=55, Resulting Numbers: [62, 52, 55] Generated Node #0,2: 59:[62, 52, 55] Operation: 83-28=55 Moving to Node #0,2 Current State: 59:[62, 52, 55], Operations: ['83-28=55'] Exploring Operation: 62+52=114, Resulting Numbers: [55, 114] Generated Node #0,2,0: 59:[55, 114] Operation: 62+52=114 Moving to Node #0,2,0 Current State: 59:[55, 114], Operations: ['83-28=55', '62+52=114'] Exploring Operation: 114-55=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.972222
hs_3
sum_heuristic
[ 44, 11, 72, 48 ]
79
[ "44+11=55", "72-48=24", "55+24=79" ]
Current State: 79:[44, 11, 72, 48], Operations: [] Exploring Operation: 44+11=55, Resulting Numbers: [72, 48, 55] Generated Node #2: [72, 48, 55] from Operation: 44+11=55 Current State: 79:[72, 48, 55], Operations: ['44+11=55'] Exploring Operation: 72-48=24, Resulting Numbers: [55, 24] Generated Node #3: [55, 24] from Operation: 72-48=24 Current State: 79:[55, 24], Operations: ['44+11=55', '72-48=24'] Exploring Operation: 55+24=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[44, 11, 72, 48], Operations: [] Exploring Operation: 11+72=83, Resulting Numbers: [44, 48, 83] Generated Node #0,0: 79:[44, 48, 83] Operation: 11+72=83 Exploring Operation: 44-11=33, Resulting Numbers: [72, 48, 33] Generated Node #0,1: 79:[72, 48, 33] Operation: 44-11=33 Exploring Operation: 11+48=59, Resulting Numbers: [44, 72, 59] Generated Node #0,2: 79:[44, 72, 59] Operation: 11+48=59 Exploring Operation: 72-11=61, Resulting Numbers: [44, 48, 61] Generated Node #0,3: 79:[44, 48, 61] Operation: 72-11=61 Exploring Operation: 44+11=55, Resulting Numbers: [72, 48, 55] Generated Node #0,4: 79:[72, 48, 55] Operation: 44+11=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[44, 72, 59], Operations: ['11+48=59'] Exploring Operation: 44+59=103, Resulting Numbers: [72, 103] Generated Node #0,2,0: 79:[72, 103] Operation: 44+59=103 Exploring Operation: 72-44=28, Resulting Numbers: [59, 28] Generated Node #0,2,1: 79:[59, 28] Operation: 72-44=28 Exploring Operation: 72+59=131, Resulting Numbers: [44, 131] Generated Node #0,2,2: 79:[44, 131] Operation: 72+59=131 Exploring Operation: 44+72=116, Resulting Numbers: [59, 116] Generated Node #0,2,3: 79:[59, 116] Operation: 44+72=116 Exploring Operation: 59-44=15, Resulting Numbers: [72, 15] Generated Node #0,2,4: 79:[72, 15] Operation: 59-44=15 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[72, 103], Operations: ['11+48=59', '44+59=103'] Exploring Operation: 72*103=7416, Resulting Numbers: [7416] 7416,79 unequal: No Solution Exploring Operation: 72+103=175, Resulting Numbers: [175] 175,79 unequal: No Solution Exploring Operation: 103-72=31, Resulting Numbers: [31] 31,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 79:[59, 116], Operations: ['11+48=59', '44+72=116'] Exploring Operation: 116-59=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 59+116=175, Resulting Numbers: [175] 175,79 unequal: No Solution Exploring Operation: 59*116=6844, Resulting Numbers: [6844] 6844,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[59, 28], Operations: ['11+48=59', '72-44=28'] Exploring Operation: 59+28=87, Resulting Numbers: [87] 87,79 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 59*28=1652, Resulting Numbers: [1652] 1652,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 79:[72, 15], Operations: ['11+48=59', '59-44=15'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 72*15=1080, Resulting Numbers: [1080] 1080,79 unequal: No Solution Exploring Operation: 72+15=87, Resulting Numbers: [87] 87,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[44, 131], Operations: ['11+48=59', '72+59=131'] Exploring Operation: 44*131=5764, Resulting Numbers: [5764] 5764,79 unequal: No Solution Exploring Operation: 44+131=175, Resulting Numbers: [175] 175,79 unequal: No Solution Exploring Operation: 131-44=87, Resulting Numbers: [87] 87,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 79:[72, 48, 55], Operations: ['44+11=55'] Exploring Operation: 48+55=103, Resulting Numbers: [72, 103] Generated Node #0,4,0: 79:[72, 103] Operation: 48+55=103 Exploring Operation: 72+55=127, Resulting Numbers: [48, 127] Generated Node #0,4,1: 79:[48, 127] Operation: 72+55=127 Exploring Operation: 72+48=120, Resulting Numbers: [55, 120] Generated Node #0,4,2: 79:[55, 120] Operation: 72+48=120 Exploring Operation: 55-48=7, Resulting Numbers: [72, 7] Generated Node #0,4,3: 79:[72, 7] Operation: 55-48=7 Exploring Operation: 72-48=24, Resulting Numbers: [55, 24] Generated Node #0,4,4: 79:[55, 24] Operation: 72-48=24 Moving to Node #0,4,0 Current State: 79:[72, 103], Operations: ['44+11=55', '48+55=103'] Exploring Operation: 103-72=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 72*103=7416, Resulting Numbers: [7416] 7416,79 unequal: No Solution Exploring Operation: 72+103=175, Resulting Numbers: [175] 175,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[55, 120], Operations: ['44+11=55', '72+48=120'] Exploring Operation: 55*120=6600, Resulting Numbers: [6600] 6600,79 unequal: No Solution Exploring Operation: 120-55=65, Resulting Numbers: [65] 65,79 unequal: No Solution Exploring Operation: 55+120=175, Resulting Numbers: [175] 175,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[48, 127], Operations: ['44+11=55', '72+55=127'] Exploring Operation: 48*127=6096, Resulting Numbers: [6096] 6096,79 unequal: No Solution Exploring Operation: 48+127=175, Resulting Numbers: [175] 175,79 unequal: No Solution Exploring Operation: 127-48=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[44, 11, 72, 48], Operations: [] Exploring Operation: 44+11=55, Resulting Numbers: [72, 48, 55] Generated Node #0,4: 79:[72, 48, 55] Operation: 44+11=55 Moving to Node #0,4 Current State: 79:[72, 48, 55], Operations: ['44+11=55'] Exploring Operation: 72+55=127, Resulting Numbers: [48, 127] Generated Node #0,4,1: 79:[48, 127] Operation: 72+55=127 Moving to Node #0,4,1 Current State: 79:[48, 127], Operations: ['44+11=55', '72+55=127'] Exploring Operation: 127-48=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 53, 2, 5, 45 ]
86
[ "5*45=225", "225-53=172", "172/2=86" ]
Current State: 86:[53, 2, 5, 45], Operations: [] Exploring Operation: 5*45=225, Resulting Numbers: [53, 2, 225] Generated Node #2: [53, 2, 225] from Operation: 5*45=225 Current State: 86:[53, 2, 225], Operations: ['5*45=225'] Exploring Operation: 225-53=172, Resulting Numbers: [2, 172] Generated Node #3: [2, 172] from Operation: 225-53=172 Current State: 86:[2, 172], Operations: ['5*45=225', '225-53=172'] Exploring Operation: 172/2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[53, 2, 5, 45], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [2, 5, 8] Generated Node #0,0: 86:[2, 5, 8] Operation: 53-45=8 Exploring Operation: 53-2=51, Resulting Numbers: [5, 45, 51] Generated Node #0,1: 86:[5, 45, 51] Operation: 53-2=51 Exploring Operation: 53-5=48, Resulting Numbers: [2, 45, 48] Generated Node #0,2: 86:[2, 45, 48] Operation: 53-5=48 Moving to Node #0,2 Current State: 86:[2, 45, 48], Operations: ['53-5=48'] Exploring Operation: 48-45=3, Resulting Numbers: [2, 3] Generated Node #0,2,0: 86:[2, 3] Operation: 48-45=3 Exploring Operation: 48-2=46, Resulting Numbers: [45, 46] Generated Node #0,2,1: 86:[45, 46] Operation: 48-2=46 Exploring Operation: 45-2=43, Resulting Numbers: [48, 43] Generated Node #0,2,2: 86:[48, 43] Operation: 45-2=43 Moving to Node #0,0 Current State: 86:[2, 5, 8], Operations: ['53-45=8'] Exploring Operation: 8/2=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 86:[5, 4] Operation: 8/2=4 Exploring Operation: 5*8=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 86:[2, 40] Operation: 5*8=40 Exploring Operation: 8-5=3, Resulting Numbers: [2, 3] Generated Node #0,0,2: 86:[2, 3] Operation: 8-5=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[2, 3], Operations: ['53-45=8', '8-5=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[2, 40], Operations: ['53-45=8', '5*8=40'] Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,86 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,86 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[5, 4], Operations: ['53-45=8', '8/2=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,86 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 86:[5, 45, 51], Operations: ['53-2=51'] Exploring Operation: 51-45=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 86:[5, 6] Operation: 51-45=6 Exploring Operation: 45-5=40, Resulting Numbers: [51, 40] Generated Node #0,1,1: 86:[51, 40] Operation: 45-5=40 Exploring Operation: 51-5=46, Resulting Numbers: [45, 46] Generated Node #0,1,2: 86:[45, 46] Operation: 51-5=46 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[45, 46], Operations: ['53-2=51', '51-5=46'] Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 45*46=2070, Resulting Numbers: [2070] 2070,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[5, 6], Operations: ['53-2=51', '51-45=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[51, 40], Operations: ['53-2=51', '45-5=40'] Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 51*40=2040, Resulting Numbers: [2040] 2040,86 unequal: No Solution Exploring Operation: 51+40=91, Resulting Numbers: [91] 91,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 86:[2, 3], Operations: ['53-5=48', '48-45=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[45, 46], Operations: ['53-5=48', '48-2=46'] Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,86 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 45*46=2070, Resulting Numbers: [2070] 2070,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[48, 43], Operations: ['53-5=48', '45-2=43'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,86 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,86 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 87, 55, 97, 41 ]
87
[ "97-55=42", "42-41=1", "87*1=87" ]
Current State: 87:[87, 55, 97, 41], Operations: [] Exploring Operation: 97-55=42, Resulting Numbers: [87, 41, 42] Generated Node #2: [87, 41, 42] from Operation: 97-55=42 Current State: 87:[87, 41, 42], Operations: ['97-55=42'] Exploring Operation: 42-41=1, Resulting Numbers: [87, 1] Generated Node #3: [87, 1] from Operation: 42-41=1 Current State: 87:[87, 1], Operations: ['97-55=42', '42-41=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[87, 55, 97, 41], Operations: [] Exploring Operation: 97-87=10, Resulting Numbers: [55, 41, 10] Generated Node #0,0: 87:[55, 41, 10] Operation: 97-87=10 Exploring Operation: 55-41=14, Resulting Numbers: [87, 97, 14] Generated Node #0,1: 87:[87, 97, 14] Operation: 55-41=14 Exploring Operation: 55+41=96, Resulting Numbers: [87, 97, 96] Generated Node #0,2: 87:[87, 97, 96] Operation: 55+41=96 Exploring Operation: 87-55=32, Resulting Numbers: [97, 41, 32] Generated Node #0,3: 87:[97, 41, 32] Operation: 87-55=32 Exploring Operation: 97-55=42, Resulting Numbers: [87, 41, 42] Generated Node #0,4: 87:[87, 41, 42] Operation: 97-55=42 Moving to Node #0,2 Current State: 87:[87, 97, 96], Operations: ['55+41=96'] Exploring Operation: 97-87=10, Resulting Numbers: [96, 10] Generated Node #0,2,0: 87:[96, 10] Operation: 97-87=10 Exploring Operation: 96-87=9, Resulting Numbers: [97, 9] Generated Node #0,2,1: 87:[97, 9] Operation: 96-87=9 Exploring Operation: 87+96=183, Resulting Numbers: [97, 183] Generated Node #0,2,2: 87:[97, 183] Operation: 87+96=183 Exploring Operation: 97-96=1, Resulting Numbers: [87, 1] Generated Node #0,2,3: 87:[87, 1] Operation: 97-96=1 Exploring Operation: 87+97=184, Resulting Numbers: [96, 184] Generated Node #0,2,4: 87:[96, 184] Operation: 87+97=184 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[87, 1], Operations: ['55+41=96', '97-96=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[87, 55, 97, 41], Operations: [] Exploring Operation: 55+41=96, Resulting Numbers: [87, 97, 96] Generated Node #0,2: 87:[87, 97, 96] Operation: 55+41=96 Moving to Node #0,2 Current State: 87:[87, 97, 96], Operations: ['55+41=96'] Exploring Operation: 97-96=1, Resulting Numbers: [87, 1] Generated Node #0,2,3: 87:[87, 1] Operation: 97-96=1 Moving to Node #0,2,3 Current State: 87:[87, 1], Operations: ['55+41=96', '97-96=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 2, 83, 88, 80 ]
94
[ "83-80=3", "2*3=6", "88+6=94" ]
Current State: 94:[2, 83, 88, 80], Operations: [] Exploring Operation: 83-80=3, Resulting Numbers: [2, 88, 3] Generated Node #2: [2, 88, 3] from Operation: 83-80=3 Current State: 94:[2, 88, 3], Operations: ['83-80=3'] Exploring Operation: 2*3=6, Resulting Numbers: [88, 6] Generated Node #3: [88, 6] from Operation: 2*3=6 Current State: 94:[88, 6], Operations: ['83-80=3', '2*3=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[2, 83, 88, 80], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [2, 80, 5] Generated Node #0,0: 94:[2, 80, 5] Operation: 88-83=5 Exploring Operation: 83-80=3, Resulting Numbers: [2, 88, 3] Generated Node #0,1: 94:[2, 88, 3] Operation: 83-80=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[2, 88, 3], Operations: ['83-80=3'] Exploring Operation: 88/2=44, Resulting Numbers: [3, 44] Generated Node #0,1,0: 94:[3, 44] Operation: 88/2=44 Exploring Operation: 88+3=91, Resulting Numbers: [2, 91] Generated Node #0,1,1: 94:[2, 91] Operation: 88+3=91 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[2, 91], Operations: ['83-80=3', '88+3=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[3, 44], Operations: ['83-80=3', '88/2=44'] Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[2, 80, 5], Operations: ['88-83=5'] Exploring Operation: 80+5=85, Resulting Numbers: [2, 85] Generated Node #0,0,0: 94:[2, 85] Operation: 80+5=85 Exploring Operation: 80/2=40, Resulting Numbers: [5, 40] Generated Node #0,0,1: 94:[5, 40] Operation: 80/2=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[2, 85], Operations: ['88-83=5', '80+5=85'] Exploring Operation: 2+85=87, Resulting Numbers: [87] 87,94 unequal: No Solution Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[5, 40], Operations: ['88-83=5', '80/2=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 2, 46, 10, 27 ]
10
[ "2*27=54", "46+54=100", "100/10=10" ]
Current State: 10:[2, 46, 10, 27], Operations: [] Exploring Operation: 2*27=54, Resulting Numbers: [46, 10, 54] Generated Node #2: [46, 10, 54] from Operation: 2*27=54 Current State: 10:[46, 10, 54], Operations: ['2*27=54'] Exploring Operation: 46+54=100, Resulting Numbers: [10, 100] Generated Node #3: [10, 100] from Operation: 46+54=100 Current State: 10:[10, 100], Operations: ['2*27=54', '46+54=100'] Exploring Operation: 100/10=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[2, 46, 10, 27], Operations: [] Exploring Operation: 46-27=19, Resulting Numbers: [2, 10, 19] Generated Node #0,0: 10:[2, 10, 19] Operation: 46-27=19 Exploring Operation: 46/2=23, Resulting Numbers: [10, 27, 23] Generated Node #0,1: 10:[10, 27, 23] Operation: 46/2=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[2, 10, 19], Operations: ['46-27=19'] Exploring Operation: 19-2=17, Resulting Numbers: [10, 17] Generated Node #0,0,0: 10:[10, 17] Operation: 19-2=17 Exploring Operation: 19-10=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 10:[2, 9] Operation: 19-10=9 Moving to Node #0,0,1 Current State: 10:[2, 9], Operations: ['46-27=19', '19-10=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[10, 17], Operations: ['46-27=19', '19-2=17'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[10, 27, 23], Operations: ['46/2=23'] Exploring Operation: 27-23=4, Resulting Numbers: [10, 4] Generated Node #0,1,0: 10:[10, 4] Operation: 27-23=4 Exploring Operation: 27-10=17, Resulting Numbers: [23, 17] Generated Node #0,1,1: 10:[23, 17] Operation: 27-10=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 10:[10, 4], Operations: ['46/2=23', '27-23=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 10:[23, 17], Operations: ['46/2=23', '27-10=17'] Exploring Operation: 23+17=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 54, 27, 5, 2 ]
65
[ "27-5=22", "22/2=11", "54+11=65" ]
Current State: 65:[54, 27, 5, 2], Operations: [] Exploring Operation: 27-5=22, Resulting Numbers: [54, 2, 22] Generated Node #2: [54, 2, 22] from Operation: 27-5=22 Current State: 65:[54, 2, 22], Operations: ['27-5=22'] Exploring Operation: 22/2=11, Resulting Numbers: [54, 11] Generated Node #3: [54, 11] from Operation: 22/2=11 Current State: 65:[54, 11], Operations: ['27-5=22', '22/2=11'] Exploring Operation: 54+11=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[54, 27, 5, 2], Operations: [] Exploring Operation: 54-27=27, Resulting Numbers: [5, 2, 27] Generated Node #0,0: 65:[5, 2, 27] Operation: 54-27=27 Exploring Operation: 54+27=81, Resulting Numbers: [5, 2, 81] Generated Node #0,1: 65:[5, 2, 81] Operation: 54+27=81 Exploring Operation: 54/27=2, Resulting Numbers: [5, 2, 2] Generated Node #0,2: 65:[5, 2, 2] Operation: 54/27=2 Moving to Node #0,2 Current State: 65:[5, 2, 2], Operations: ['54/27=2'] Exploring Operation: 2+2=4, Resulting Numbers: [5, 4] Generated Node #0,2,0: 65:[5, 4] Operation: 2+2=4 Exploring Operation: 2*2=4, Resulting Numbers: [5, 4] Generated Node #0,2,1: 65:[5, 4] Operation: 2*2=4 Exploring Operation: 2/2=1, Resulting Numbers: [5, 1] Generated Node #0,2,2: 65:[5, 1] Operation: 2/2=1 Moving to Node #0,0 Current State: 65:[5, 2, 27], Operations: ['54-27=27'] Exploring Operation: 27-2=25, Resulting Numbers: [5, 25] Generated Node #0,0,0: 65:[5, 25] Operation: 27-2=25 Exploring Operation: 2*27=54, Resulting Numbers: [5, 54] Generated Node #0,0,1: 65:[5, 54] Operation: 2*27=54 Exploring Operation: 27-5=22, Resulting Numbers: [2, 22] Generated Node #0,0,2: 65:[2, 22] Operation: 27-5=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[5, 54], Operations: ['54-27=27', '2*27=54'] Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,65 unequal: No Solution Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[5, 25], Operations: ['54-27=27', '27-2=25'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[2, 22], Operations: ['54-27=27', '27-5=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 65:[5, 2, 81], Operations: ['54+27=81'] Exploring Operation: 81-5=76, Resulting Numbers: [2, 76] Generated Node #0,1,0: 65:[2, 76] Operation: 81-5=76 Exploring Operation: 5+2=7, Resulting Numbers: [81, 7] Generated Node #0,1,1: 65:[81, 7] Operation: 5+2=7 Exploring Operation: 81-2=79, Resulting Numbers: [5, 79] Generated Node #0,1,2: 65:[5, 79] Operation: 81-2=79 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[2, 76], Operations: ['54+27=81', '81-5=76'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,65 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[5, 79], Operations: ['54+27=81', '81-2=79'] Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[81, 7], Operations: ['54+27=81', '5+2=7'] Exploring Operation: 81*7=567, Resulting Numbers: [567] 567,65 unequal: No Solution Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 81+7=88, Resulting Numbers: [88] 88,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 65:[5, 4], Operations: ['54/27=2', '2+2=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[5, 4], Operations: ['54/27=2', '2*2=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[5, 1], Operations: ['54/27=2', '2/2=1'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,65 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 46, 78, 39, 41 ]
23
[ "78-39=39", "41-39=2", "46/2=23" ]
Current State: 23:[46, 78, 39, 41], Operations: [] Exploring Operation: 78-39=39, Resulting Numbers: [46, 41, 39] Generated Node #2: [46, 41, 39] from Operation: 78-39=39 Current State: 23:[46, 41, 39], Operations: ['78-39=39'] Exploring Operation: 41-39=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 41-39=2 Current State: 23:[46, 2], Operations: ['78-39=39', '41-39=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[46, 78, 39, 41], Operations: [] Exploring Operation: 78-41=37, Resulting Numbers: [46, 39, 37] Generated Node #0,0: 23:[46, 39, 37] Operation: 78-41=37 Exploring Operation: 78-46=32, Resulting Numbers: [39, 41, 32] Generated Node #0,1: 23:[39, 41, 32] Operation: 78-46=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[39, 41, 32], Operations: ['78-46=32'] Exploring Operation: 41-32=9, Resulting Numbers: [39, 9] Generated Node #0,1,0: 23:[39, 9] Operation: 41-32=9 Exploring Operation: 41-39=2, Resulting Numbers: [32, 2] Generated Node #0,1,1: 23:[32, 2] Operation: 41-39=2 Moving to Node #0,1,0 Current State: 23:[39, 9], Operations: ['78-46=32', '41-32=9'] Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[32, 2], Operations: ['78-46=32', '41-39=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[46, 39, 37], Operations: ['78-41=37'] Exploring Operation: 46-39=7, Resulting Numbers: [37, 7] Generated Node #0,0,0: 23:[37, 7] Operation: 46-39=7 Exploring Operation: 46-37=9, Resulting Numbers: [39, 9] Generated Node #0,0,1: 23:[39, 9] Operation: 46-37=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[37, 7], Operations: ['78-41=37', '46-39=7'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[39, 9], Operations: ['78-41=37', '46-37=9'] Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 56, 98, 59, 32 ]
52
[ "59+32=91", "56*91=5096", "5096/98=52" ]
Current State: 52:[56, 98, 59, 32], Operations: [] Exploring Operation: 59+32=91, Resulting Numbers: [56, 98, 91] Generated Node #2: [56, 98, 91] from Operation: 59+32=91 Current State: 52:[56, 98, 91], Operations: ['59+32=91'] Exploring Operation: 56*91=5096, Resulting Numbers: [98, 5096] Generated Node #3: [98, 5096] from Operation: 56*91=5096 Current State: 52:[98, 5096], Operations: ['59+32=91', '56*91=5096'] Exploring Operation: 5096/98=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[56, 98, 59, 32], Operations: [] Exploring Operation: 98-56=42, Resulting Numbers: [59, 32, 42] Generated Node #0,0: 52:[59, 32, 42] Operation: 98-56=42 Moving to Node #0,0 Current State: 52:[59, 32, 42], Operations: ['98-56=42'] Exploring Operation: 59-42=17, Resulting Numbers: [32, 17] Generated Node #0,0,0: 52:[32, 17] Operation: 59-42=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[32, 17], Operations: ['98-56=42', '59-42=17'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 69, 71, 96 ]
50
[ "96/2=48", "71-69=2", "48+2=50" ]
Current State: 50:[2, 69, 71, 96], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [69, 71, 48] Generated Node #2: [69, 71, 48] from Operation: 96/2=48 Current State: 50:[69, 71, 48], Operations: ['96/2=48'] Exploring Operation: 71-69=2, Resulting Numbers: [48, 2] Generated Node #3: [48, 2] from Operation: 71-69=2 Current State: 50:[48, 2], Operations: ['96/2=48', '71-69=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[2, 69, 71, 96], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [69, 71, 48] Generated Node #0,0: 50:[69, 71, 48] Operation: 96/2=48 Exploring Operation: 71-69=2, Resulting Numbers: [2, 96, 2] Generated Node #0,1: 50:[2, 96, 2] Operation: 71-69=2 Exploring Operation: 96-71=25, Resulting Numbers: [2, 69, 25] Generated Node #0,2: 50:[2, 69, 25] Operation: 96-71=25 Exploring Operation: 96-69=27, Resulting Numbers: [2, 71, 27] Generated Node #0,3: 50:[2, 71, 27] Operation: 96-69=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[2, 69, 25], Operations: ['96-71=25'] Exploring Operation: 2+69=71, Resulting Numbers: [25, 71] Generated Node #0,2,0: 50:[25, 71] Operation: 2+69=71 Exploring Operation: 69-2=67, Resulting Numbers: [25, 67] Generated Node #0,2,1: 50:[25, 67] Operation: 69-2=67 Exploring Operation: 69-25=44, Resulting Numbers: [2, 44] Generated Node #0,2,2: 50:[2, 44] Operation: 69-25=44 Exploring Operation: 2*25=50, Resulting Numbers: [69, 50] Generated Node #0,2,3: 50:[69, 50] Operation: 2*25=50 Moving to Node #0,2,2 Current State: 50:[2, 44], Operations: ['96-71=25', '69-25=44'] Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,50 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[25, 67], Operations: ['96-71=25', '69-2=67'] Exploring Operation: 25*67=1675, Resulting Numbers: [1675] 1675,50 unequal: No Solution Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 25+67=92, Resulting Numbers: [92] 92,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[69, 50], Operations: ['96-71=25', '2*25=50'] Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 69*50=3450, Resulting Numbers: [3450] 3450,50 unequal: No Solution Exploring Operation: 69+50=119, Resulting Numbers: [119] 119,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[25, 71], Operations: ['96-71=25', '2+69=71'] Exploring Operation: 25+71=96, Resulting Numbers: [96] 96,50 unequal: No Solution Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 25*71=1775, Resulting Numbers: [1775] 1775,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[2, 71, 27], Operations: ['96-69=27'] Exploring Operation: 27-2=25, Resulting Numbers: [71, 25] Generated Node #0,3,0: 50:[71, 25] Operation: 27-2=25 Exploring Operation: 71-2=69, Resulting Numbers: [27, 69] Generated Node #0,3,1: 50:[27, 69] Operation: 71-2=69 Exploring Operation: 2+71=73, Resulting Numbers: [27, 73] Generated Node #0,3,2: 50:[27, 73] Operation: 2+71=73 Exploring Operation: 71-27=44, Resulting Numbers: [2, 44] Generated Node #0,3,3: 50:[2, 44] Operation: 71-27=44 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 50:[2, 44], Operations: ['96-69=27', '71-27=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,50 unequal: No Solution Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 50:[71, 25], Operations: ['96-69=27', '27-2=25'] Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 71+25=96, Resulting Numbers: [96] 96,50 unequal: No Solution Exploring Operation: 71*25=1775, Resulting Numbers: [1775] 1775,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 50:[27, 69], Operations: ['96-69=27', '71-2=69'] Exploring Operation: 27*69=1863, Resulting Numbers: [1863] 1863,50 unequal: No Solution Exploring Operation: 27+69=96, Resulting Numbers: [96] 96,50 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 50:[27, 73], Operations: ['96-69=27', '2+71=73'] Exploring Operation: 27+73=100, Resulting Numbers: [100] 100,50 unequal: No Solution Exploring Operation: 27*73=1971, Resulting Numbers: [1971] 1971,50 unequal: No Solution Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[69, 71, 48], Operations: ['96/2=48'] Exploring Operation: 71-69=2, Resulting Numbers: [48, 2] Generated Node #0,0,0: 50:[48, 2] Operation: 71-69=2 Exploring Operation: 71-48=23, Resulting Numbers: [69, 23] Generated Node #0,0,1: 50:[69, 23] Operation: 71-48=23 Exploring Operation: 69-48=21, Resulting Numbers: [71, 21] Generated Node #0,0,2: 50:[71, 21] Operation: 69-48=21 Exploring Operation: 69+48=117, Resulting Numbers: [71, 117] Generated Node #0,0,3: 50:[71, 117] Operation: 69+48=117 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[48, 2], Operations: ['96/2=48', '71-69=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,50 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,50 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,50 unequal: No Solution Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[2, 69, 71, 96], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [69, 71, 48] Generated Node #0,0: 50:[69, 71, 48] Operation: 96/2=48 Moving to Node #0,0 Current State: 50:[69, 71, 48], Operations: ['96/2=48'] Exploring Operation: 71-69=2, Resulting Numbers: [48, 2] Generated Node #0,0,0: 50:[48, 2] Operation: 71-69=2 Moving to Node #0,0,0 Current State: 50:[48, 2], Operations: ['96/2=48', '71-69=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.956597
hs_4
mult_heuristic
[ 41, 12, 12, 51 ]
34
[ "41-12=29", "12+51=63", "63-29=34" ]
Current State: 34:[41, 12, 12, 51], Operations: [] Exploring Operation: 41-12=29, Resulting Numbers: [51, 29] Generated Node #2: [51, 29] from Operation: 41-12=29 Current State: 34:[51, 29], Operations: ['41-12=29'] Exploring Operation: 12+51=63, Resulting Numbers: [29, 63] Generated Node #3: [29, 63] from Operation: 12+51=63 Current State: 34:[29, 63], Operations: ['41-12=29', '12+51=63'] Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[41, 12, 12, 51], Operations: [] Exploring Operation: 51-12=39, Resulting Numbers: [41, 12, 39] Generated Node #0,0: 34:[41, 12, 39] Operation: 51-12=39 Exploring Operation: 12/12=1, Resulting Numbers: [41, 51, 1] Generated Node #0,1: 34:[41, 51, 1] Operation: 12/12=1 Exploring Operation: 51-12=39, Resulting Numbers: [41, 12, 39] Generated Node #0,2: 34:[41, 12, 39] Operation: 51-12=39 Exploring Operation: 51-41=10, Resulting Numbers: [12, 12, 10] Generated Node #0,3: 34:[12, 12, 10] Operation: 51-41=10 Exploring Operation: 12-12=0, Resulting Numbers: [41, 51, 0] Generated Node #0,4: 34:[41, 51, 0] Operation: 12-12=0 Moving to Node #0,0 Current State: 34:[41, 12, 39], Operations: ['51-12=39'] Exploring Operation: 41-39=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 34:[12, 2] Operation: 41-39=2 Exploring Operation: 41-12=29, Resulting Numbers: [39, 29] Generated Node #0,0,1: 34:[39, 29] Operation: 41-12=29 Exploring Operation: 12+39=51, Resulting Numbers: [41, 51] Generated Node #0,0,2: 34:[41, 51] Operation: 12+39=51 Exploring Operation: 41+12=53, Resulting Numbers: [39, 53] Generated Node #0,0,3: 34:[39, 53] Operation: 41+12=53 Exploring Operation: 39-12=27, Resulting Numbers: [41, 27] Generated Node #0,0,4: 34:[41, 27] Operation: 39-12=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[12, 2], Operations: ['51-12=39', '41-39=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[39, 29], Operations: ['51-12=39', '41-12=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,34 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 34:[41, 27], Operations: ['51-12=39', '39-12=27'] Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,34 unequal: No Solution Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[41, 51], Operations: ['51-12=39', '12+39=51'] Exploring Operation: 41+51=92, Resulting Numbers: [92] 92,34 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 41*51=2091, Resulting Numbers: [2091] 2091,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 34:[39, 53], Operations: ['51-12=39', '41+12=53'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,34 unequal: No Solution Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 34:[12, 12, 10], Operations: ['51-41=10'] Exploring Operation: 12-12=0, Resulting Numbers: [10, 0] Generated Node #0,3,0: 34:[10, 0] Operation: 12-12=0 Exploring Operation: 12-10=2, Resulting Numbers: [12, 2] Generated Node #0,3,1: 34:[12, 2] Operation: 12-10=2 Exploring Operation: 12+10=22, Resulting Numbers: [12, 22] Generated Node #0,3,2: 34:[12, 22] Operation: 12+10=22 Exploring Operation: 12/12=1, Resulting Numbers: [10, 1] Generated Node #0,3,3: 34:[10, 1] Operation: 12/12=1 Exploring Operation: 12-10=2, Resulting Numbers: [12, 2] Generated Node #0,3,4: 34:[12, 2] Operation: 12-10=2 Moving to Node #0,2 Current State: 34:[41, 12, 39], Operations: ['51-12=39'] Exploring Operation: 41+12=53, Resulting Numbers: [39, 53] Generated Node #0,2,0: 34:[39, 53] Operation: 41+12=53 Exploring Operation: 41-12=29, Resulting Numbers: [39, 29] Generated Node #0,2,1: 34:[39, 29] Operation: 41-12=29 Exploring Operation: 39-12=27, Resulting Numbers: [41, 27] Generated Node #0,2,2: 34:[41, 27] Operation: 39-12=27 Exploring Operation: 12+39=51, Resulting Numbers: [41, 51] Generated Node #0,2,3: 34:[41, 51] Operation: 12+39=51 Exploring Operation: 41-39=2, Resulting Numbers: [12, 2] Generated Node #0,2,4: 34:[12, 2] Operation: 41-39=2 Moving to Node #0,1 Current State: 34:[41, 51, 1], Operations: ['12/12=1'] Exploring Operation: 41/1=41, Resulting Numbers: [51, 41] Generated Node #0,1,0: 34:[51, 41] Operation: 41/1=41 Exploring Operation: 41*1=41, Resulting Numbers: [51, 41] Generated Node #0,1,1: 34:[51, 41] Operation: 41*1=41 Exploring Operation: 41-1=40, Resulting Numbers: [51, 40] Generated Node #0,1,2: 34:[51, 40] Operation: 41-1=40 Exploring Operation: 51-1=50, Resulting Numbers: [41, 50] Generated Node #0,1,3: 34:[41, 50] Operation: 51-1=50 Exploring Operation: 51-41=10, Resulting Numbers: [1, 10] Generated Node #0,1,4: 34:[1, 10] Operation: 51-41=10 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 34:[1, 10], Operations: ['12/12=1', '51-41=10'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[51, 40], Operations: ['12/12=1', '41-1=40'] Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 51+40=91, Resulting Numbers: [91] 91,34 unequal: No Solution Exploring Operation: 51*40=2040, Resulting Numbers: [2040] 2040,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 34:[41, 50], Operations: ['12/12=1', '51-1=50'] Exploring Operation: 41*50=2050, Resulting Numbers: [2050] 2050,34 unequal: No Solution Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 41+50=91, Resulting Numbers: [91] 91,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[51, 41], Operations: ['12/12=1', '41/1=41'] Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,34 unequal: No Solution Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,34 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[51, 41], Operations: ['12/12=1', '41*1=41'] Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,34 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 34:[41, 51, 0], Operations: ['12-12=0'] Exploring Operation: 41*0=0, Resulting Numbers: [51, 0] Generated Node #0,4,0: 34:[51, 0] Operation: 41*0=0 Exploring Operation: 51*0=0, Resulting Numbers: [41, 0] Generated Node #0,4,1: 34:[41, 0] Operation: 51*0=0 Exploring Operation: 41+0=41, Resulting Numbers: [51, 41] Generated Node #0,4,2: 34:[51, 41] Operation: 41+0=41 Exploring Operation: 51-41=10, Resulting Numbers: [0, 10] Generated Node #0,4,3: 34:[0, 10] Operation: 51-41=10 Exploring Operation: 41-0=41, Resulting Numbers: [51, 41] Generated Node #0,4,4: 34:[51, 41] Operation: 41-0=41 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[41, 0], Operations: ['12-12=0', '51*0=0'] Exploring Operation: 41*0=0, Resulting Numbers: [0] 0,34 unequal: No Solution Exploring Operation: 41+0=41, Resulting Numbers: [41] 41,34 unequal: No Solution Exploring Operation: 41-0=41, Resulting Numbers: [41] 41,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 34:[0, 10], Operations: ['12-12=0', '51-41=10'] Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 0+10=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 0*10=0, Resulting Numbers: [0] 0,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 34:[51, 0], Operations: ['12-12=0', '41*0=0'] Exploring Operation: 51+0=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 51-0=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 51*0=0, Resulting Numbers: [0] 0,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[51, 41], Operations: ['12-12=0', '41+0=41'] Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,34 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[51, 41], Operations: ['12-12=0', '41-0=41'] Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,34 unequal: No Solution Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,34 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 34:[12, 2], Operations: ['51-41=10', '12-10=2'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,34 unequal: No Solution Moving to Node #0,2,4 Current State: 34:[12, 2], Operations: ['51-12=39', '41-39=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Moving to Node #0,3,4 Current State: 34:[12, 2], Operations: ['51-41=10', '12-10=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[10, 1], Operations: ['51-41=10', '12/12=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[10, 0], Operations: ['51-41=10', '12-12=0'] Exploring Operation: 10*0=0, Resulting Numbers: [0] 0,34 unequal: No Solution Exploring Operation: 10+0=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[39, 29], Operations: ['51-12=39', '41-12=29'] Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,34 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 39*29=1131, Resulting Numbers: [1131] 1131,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[12, 22], Operations: ['51-41=10', '12+10=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[41, 12, 12, 51], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [12, 12, 10] Generated Node #0,3: 34:[12, 12, 10] Operation: 51-41=10 Moving to Node #0,3 Current State: 34:[12, 12, 10], Operations: ['51-41=10'] Exploring Operation: 12+10=22, Resulting Numbers: [12, 22] Generated Node #0,3,2: 34:[12, 22] Operation: 12+10=22 Moving to Node #0,3,2 Current State: 34:[12, 22], Operations: ['51-41=10', '12+10=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.909722
hs_5
sum_heuristic
[ 5, 86, 36, 26 ]
88
[ "36-26=10", "10/5=2", "86+2=88" ]
Current State: 88:[5, 86, 36, 26], Operations: [] Exploring Operation: 36-26=10, Resulting Numbers: [5, 86, 10] Generated Node #2: [5, 86, 10] from Operation: 36-26=10 Current State: 88:[5, 86, 10], Operations: ['36-26=10'] Exploring Operation: 10/5=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 10/5=2 Current State: 88:[86, 2], Operations: ['36-26=10', '10/5=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[5, 86, 36, 26], Operations: [] Exploring Operation: 36-26=10, Resulting Numbers: [5, 86, 10] Generated Node #0,0: 88:[5, 86, 10] Operation: 36-26=10 Moving to Node #0,0 Current State: 88:[5, 86, 10], Operations: ['36-26=10'] Exploring Operation: 10/5=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 88:[86, 2] Operation: 10/5=2 Moving to Node #0,0,0 Current State: 88:[86, 2], Operations: ['36-26=10', '10/5=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[5, 86, 36, 26], Operations: [] Exploring Operation: 36-26=10, Resulting Numbers: [5, 86, 10] Generated Node #0,0: 88:[5, 86, 10] Operation: 36-26=10 Moving to Node #0,0 Current State: 88:[5, 86, 10], Operations: ['36-26=10'] Exploring Operation: 10/5=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 88:[86, 2] Operation: 10/5=2 Moving to Node #0,0,0 Current State: 88:[86, 2], Operations: ['36-26=10', '10/5=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 35, 76, 56, 33 ]
94
[ "35-33=2", "76/2=38", "56+38=94" ]
Current State: 94:[35, 76, 56, 33], Operations: [] Exploring Operation: 35-33=2, Resulting Numbers: [76, 56, 2] Generated Node #2: [76, 56, 2] from Operation: 35-33=2 Current State: 94:[76, 56, 2], Operations: ['35-33=2'] Exploring Operation: 76/2=38, Resulting Numbers: [56, 38] Generated Node #3: [56, 38] from Operation: 76/2=38 Current State: 94:[56, 38], Operations: ['35-33=2', '76/2=38'] Exploring Operation: 56+38=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[35, 76, 56, 33], Operations: [] Exploring Operation: 76-35=41, Resulting Numbers: [56, 33, 41] Generated Node #0,0: 94:[56, 33, 41] Operation: 76-35=41 Exploring Operation: 35+56=91, Resulting Numbers: [76, 33, 91] Generated Node #0,1: 94:[76, 33, 91] Operation: 35+56=91 Exploring Operation: 56+33=89, Resulting Numbers: [35, 76, 89] Generated Node #0,2: 94:[35, 76, 89] Operation: 56+33=89 Exploring Operation: 35-33=2, Resulting Numbers: [76, 56, 2] Generated Node #0,3: 94:[76, 56, 2] Operation: 35-33=2 Exploring Operation: 76-33=43, Resulting Numbers: [35, 56, 43] Generated Node #0,4: 94:[35, 56, 43] Operation: 76-33=43 Moving to Node #0,4 Current State: 94:[35, 56, 43], Operations: ['76-33=43'] Exploring Operation: 56-43=13, Resulting Numbers: [35, 13] Generated Node #0,4,0: 94:[35, 13] Operation: 56-43=13 Exploring Operation: 56+43=99, Resulting Numbers: [35, 99] Generated Node #0,4,1: 94:[35, 99] Operation: 56+43=99 Exploring Operation: 43-35=8, Resulting Numbers: [56, 8] Generated Node #0,4,2: 94:[56, 8] Operation: 43-35=8 Exploring Operation: 35+56=91, Resulting Numbers: [43, 91] Generated Node #0,4,3: 94:[43, 91] Operation: 35+56=91 Exploring Operation: 56-35=21, Resulting Numbers: [43, 21] Generated Node #0,4,4: 94:[43, 21] Operation: 56-35=21 Moving to Node #0,3 Current State: 94:[76, 56, 2], Operations: ['35-33=2'] Exploring Operation: 76-2=74, Resulting Numbers: [56, 74] Generated Node #0,3,0: 94:[56, 74] Operation: 76-2=74 Exploring Operation: 76-56=20, Resulting Numbers: [2, 20] Generated Node #0,3,1: 94:[2, 20] Operation: 76-56=20 Exploring Operation: 56-2=54, Resulting Numbers: [76, 54] Generated Node #0,3,2: 94:[76, 54] Operation: 56-2=54 Exploring Operation: 76/2=38, Resulting Numbers: [56, 38] Generated Node #0,3,3: 94:[56, 38] Operation: 76/2=38 Exploring Operation: 76+2=78, Resulting Numbers: [56, 78] Generated Node #0,3,4: 94:[56, 78] Operation: 76+2=78 Moving to Node #0,0 Current State: 94:[56, 33, 41], Operations: ['76-35=41'] Exploring Operation: 56-33=23, Resulting Numbers: [41, 23] Generated Node #0,0,0: 94:[41, 23] Operation: 56-33=23 Exploring Operation: 56-41=15, Resulting Numbers: [33, 15] Generated Node #0,0,1: 94:[33, 15] Operation: 56-41=15 Exploring Operation: 41-33=8, Resulting Numbers: [56, 8] Generated Node #0,0,2: 94:[56, 8] Operation: 41-33=8 Exploring Operation: 56+41=97, Resulting Numbers: [33, 97] Generated Node #0,0,3: 94:[33, 97] Operation: 56+41=97 Exploring Operation: 56+33=89, Resulting Numbers: [41, 89] Generated Node #0,0,4: 94:[41, 89] Operation: 56+33=89 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 94:[41, 89], Operations: ['76-35=41', '56+33=89'] Exploring Operation: 41*89=3649, Resulting Numbers: [3649] 3649,94 unequal: No Solution Exploring Operation: 41+89=130, Resulting Numbers: [130] 130,94 unequal: No Solution Exploring Operation: 89-41=48, Resulting Numbers: [48] 48,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[56, 8], Operations: ['76-35=41', '41-33=8'] Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,94 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,94 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 94:[33, 97], Operations: ['76-35=41', '56+41=97'] Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,94 unequal: No Solution Exploring Operation: 33+97=130, Resulting Numbers: [130] 130,94 unequal: No Solution Exploring Operation: 33*97=3201, Resulting Numbers: [3201] 3201,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[41, 23], Operations: ['76-35=41', '56-33=23'] Exploring Operation: 41*23=943, Resulting Numbers: [943] 943,94 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 41+23=64, Resulting Numbers: [64] 64,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[33, 15], Operations: ['76-35=41', '56-41=15'] Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 94:[76, 33, 91], Operations: ['35+56=91'] Exploring Operation: 76+33=109, Resulting Numbers: [91, 109] Generated Node #0,1,0: 94:[91, 109] Operation: 76+33=109 Exploring Operation: 91-33=58, Resulting Numbers: [76, 58] Generated Node #0,1,1: 94:[76, 58] Operation: 91-33=58 Exploring Operation: 91-76=15, Resulting Numbers: [33, 15] Generated Node #0,1,2: 94:[33, 15] Operation: 91-76=15 Exploring Operation: 33+91=124, Resulting Numbers: [76, 124] Generated Node #0,1,3: 94:[76, 124] Operation: 33+91=124 Exploring Operation: 76-33=43, Resulting Numbers: [91, 43] Generated Node #0,1,4: 94:[91, 43] Operation: 76-33=43 Moving to Node #0,2 Current State: 94:[35, 76, 89], Operations: ['56+33=89'] Exploring Operation: 35+89=124, Resulting Numbers: [76, 124] Generated Node #0,2,0: 94:[76, 124] Operation: 35+89=124 Exploring Operation: 76-35=41, Resulting Numbers: [89, 41] Generated Node #0,2,1: 94:[89, 41] Operation: 76-35=41 Exploring Operation: 89-76=13, Resulting Numbers: [35, 13] Generated Node #0,2,2: 94:[35, 13] Operation: 89-76=13 Exploring Operation: 89-35=54, Resulting Numbers: [76, 54] Generated Node #0,2,3: 94:[76, 54] Operation: 89-35=54 Exploring Operation: 35+76=111, Resulting Numbers: [89, 111] Generated Node #0,2,4: 94:[89, 111] Operation: 35+76=111 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[89, 41], Operations: ['56+33=89', '76-35=41'] Exploring Operation: 89-41=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 89*41=3649, Resulting Numbers: [3649] 3649,94 unequal: No Solution Exploring Operation: 89+41=130, Resulting Numbers: [130] 130,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 94:[89, 111], Operations: ['56+33=89', '35+76=111'] Exploring Operation: 89+111=200, Resulting Numbers: [200] 200,94 unequal: No Solution Exploring Operation: 89*111=9879, Resulting Numbers: [9879] 9879,94 unequal: No Solution Exploring Operation: 111-89=22, Resulting Numbers: [22] 22,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[35, 13], Operations: ['56+33=89', '89-76=13'] Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,94 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 94:[76, 54], Operations: ['56+33=89', '89-35=54'] Exploring Operation: 76*54=4104, Resulting Numbers: [4104] 4104,94 unequal: No Solution Exploring Operation: 76+54=130, Resulting Numbers: [130] 130,94 unequal: No Solution Exploring Operation: 76-54=22, Resulting Numbers: [22] 22,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[76, 124], Operations: ['56+33=89', '35+89=124'] Exploring Operation: 76*124=9424, Resulting Numbers: [9424] 9424,94 unequal: No Solution Exploring Operation: 124-76=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 76+124=200, Resulting Numbers: [200] 200,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,3 Current State: 94:[43, 91], Operations: ['76-33=43', '35+56=91'] Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 43*91=3913, Resulting Numbers: [3913] 3913,94 unequal: No Solution Exploring Operation: 43+91=134, Resulting Numbers: [134] 134,94 unequal: No Solution Moving to Node #0,1,4 Current State: 94:[91, 43], Operations: ['35+56=91', '76-33=43'] Exploring Operation: 91+43=134, Resulting Numbers: [134] 134,94 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 91*43=3913, Resulting Numbers: [3913] 3913,94 unequal: No Solution Moving to Node #0,4,2 Current State: 94:[56, 8], Operations: ['76-33=43', '43-35=8'] Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,94 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,94 unequal: No Solution Moving to Node #0,4,1 Current State: 94:[35, 99], Operations: ['76-33=43', '56+43=99'] Exploring Operation: 35+99=134, Resulting Numbers: [134] 134,94 unequal: No Solution Exploring Operation: 35*99=3465, Resulting Numbers: [3465] 3465,94 unequal: No Solution Exploring Operation: 99-35=64, Resulting Numbers: [64] 64,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[56, 38], Operations: ['35-33=2', '76/2=38'] Exploring Operation: 56*38=2128, Resulting Numbers: [2128] 2128,94 unequal: No Solution Exploring Operation: 56+38=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[35, 76, 56, 33], Operations: [] Exploring Operation: 35-33=2, Resulting Numbers: [76, 56, 2] Generated Node #0,3: 94:[76, 56, 2] Operation: 35-33=2 Moving to Node #0,3 Current State: 94:[76, 56, 2], Operations: ['35-33=2'] Exploring Operation: 76/2=38, Resulting Numbers: [56, 38] Generated Node #0,3,3: 94:[56, 38] Operation: 76/2=38 Moving to Node #0,3,3 Current State: 94:[56, 38], Operations: ['35-33=2', '76/2=38'] Exploring Operation: 56+38=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.930556
hs_5
sum_heuristic
[ 64, 32, 77, 81 ]
73
[ "64/32=2", "77*2=154", "154-81=73" ]
Current State: 73:[64, 32, 77, 81], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [77, 81, 2] Generated Node #2: [77, 81, 2] from Operation: 64/32=2 Current State: 73:[77, 81, 2], Operations: ['64/32=2'] Exploring Operation: 77*2=154, Resulting Numbers: [81, 154] Generated Node #3: [81, 154] from Operation: 77*2=154 Current State: 73:[81, 154], Operations: ['64/32=2', '77*2=154'] Exploring Operation: 154-81=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[64, 32, 77, 81], Operations: [] Exploring Operation: 81-32=49, Resulting Numbers: [64, 77, 49] Generated Node #0,0: 73:[64, 77, 49] Operation: 81-32=49 Exploring Operation: 64+32=96, Resulting Numbers: [77, 81, 96] Generated Node #0,1: 73:[77, 81, 96] Operation: 64+32=96 Moving to Node #0,1 Current State: 73:[77, 81, 96], Operations: ['64+32=96'] Exploring Operation: 96-81=15, Resulting Numbers: [77, 15] Generated Node #0,1,0: 73:[77, 15] Operation: 96-81=15 Exploring Operation: 96-77=19, Resulting Numbers: [81, 19] Generated Node #0,1,1: 73:[81, 19] Operation: 96-77=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[77, 15], Operations: ['64+32=96', '96-81=15'] Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,73 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[81, 19], Operations: ['64+32=96', '96-77=19'] Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,73 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 73:[64, 77, 49], Operations: ['81-32=49'] Exploring Operation: 77-49=28, Resulting Numbers: [64, 28] Generated Node #0,0,0: 73:[64, 28] Operation: 77-49=28 Exploring Operation: 64+49=113, Resulting Numbers: [77, 113] Generated Node #0,0,1: 73:[77, 113] Operation: 64+49=113 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[77, 113], Operations: ['81-32=49', '64+49=113'] Exploring Operation: 77+113=190, Resulting Numbers: [190] 190,73 unequal: No Solution Exploring Operation: 113-77=36, Resulting Numbers: [36] 36,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[64, 28], Operations: ['81-32=49', '77-49=28'] Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 64+28=92, Resulting Numbers: [92] 92,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 59, 52, 82, 60 ]
31
[ "59+52=111", "82+60=142", "142-111=31" ]
Current State: 31:[59, 52, 82, 60], Operations: [] Exploring Operation: 59+52=111, Resulting Numbers: [82, 60, 111] Generated Node #2: [82, 60, 111] from Operation: 59+52=111 Current State: 31:[82, 60, 111], Operations: ['59+52=111'] Exploring Operation: 82+60=142, Resulting Numbers: [111, 142] Generated Node #3: [111, 142] from Operation: 82+60=142 Current State: 31:[111, 142], Operations: ['59+52=111', '82+60=142'] Exploring Operation: 142-111=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[59, 52, 82, 60], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [59, 60, 30] Generated Node #0,0: 31:[59, 60, 30] Operation: 82-52=30 Exploring Operation: 82-59=23, Resulting Numbers: [52, 60, 23] Generated Node #0,1: 31:[52, 60, 23] Operation: 82-59=23 Exploring Operation: 82-60=22, Resulting Numbers: [59, 52, 22] Generated Node #0,2: 31:[59, 52, 22] Operation: 82-60=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[59, 60, 30], Operations: ['82-52=30'] Exploring Operation: 60-59=1, Resulting Numbers: [30, 1] Generated Node #0,0,0: 31:[30, 1] Operation: 60-59=1 Exploring Operation: 60-30=30, Resulting Numbers: [59, 30] Generated Node #0,0,1: 31:[59, 30] Operation: 60-30=30 Exploring Operation: 59-30=29, Resulting Numbers: [60, 29] Generated Node #0,0,2: 31:[60, 29] Operation: 59-30=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[59, 30], Operations: ['82-52=30', '60-30=30'] Exploring Operation: 59*30=1770, Resulting Numbers: [1770] 1770,31 unequal: No Solution Exploring Operation: 59+30=89, Resulting Numbers: [89] 89,31 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[30, 1], Operations: ['82-52=30', '60-59=1'] Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[59, 52, 82, 60], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [59, 60, 30] Generated Node #0,0: 31:[59, 60, 30] Operation: 82-52=30 Moving to Node #0,0 Current State: 31:[59, 60, 30], Operations: ['82-52=30'] Exploring Operation: 60-59=1, Resulting Numbers: [30, 1] Generated Node #0,0,0: 31:[30, 1] Operation: 60-59=1 Moving to Node #0,0,0 Current State: 31:[30, 1], Operations: ['82-52=30', '60-59=1'] Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 17, 27, 78, 73 ]
50
[ "27-17=10", "78-73=5", "10*5=50" ]
Current State: 50:[17, 27, 78, 73], Operations: [] Exploring Operation: 27-17=10, Resulting Numbers: [78, 73, 10] Generated Node #2: [78, 73, 10] from Operation: 27-17=10 Current State: 50:[78, 73, 10], Operations: ['27-17=10'] Exploring Operation: 78-73=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 78-73=5 Current State: 50:[10, 5], Operations: ['27-17=10', '78-73=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[17, 27, 78, 73], Operations: [] Exploring Operation: 78-17=61, Resulting Numbers: [27, 73, 61] Generated Node #0,0: 50:[27, 73, 61] Operation: 78-17=61 Exploring Operation: 78-27=51, Resulting Numbers: [17, 73, 51] Generated Node #0,1: 50:[17, 73, 51] Operation: 78-27=51 Exploring Operation: 78-73=5, Resulting Numbers: [17, 27, 5] Generated Node #0,2: 50:[17, 27, 5] Operation: 78-73=5 Moving to Node #0,2 Current State: 50:[17, 27, 5], Operations: ['78-73=5'] Exploring Operation: 17-5=12, Resulting Numbers: [27, 12] Generated Node #0,2,0: 50:[27, 12] Operation: 17-5=12 Exploring Operation: 17+5=22, Resulting Numbers: [27, 22] Generated Node #0,2,1: 50:[27, 22] Operation: 17+5=22 Exploring Operation: 27-17=10, Resulting Numbers: [5, 10] Generated Node #0,2,2: 50:[5, 10] Operation: 27-17=10 Moving to Node #0,1 Current State: 50:[17, 73, 51], Operations: ['78-27=51'] Exploring Operation: 73-17=56, Resulting Numbers: [51, 56] Generated Node #0,1,0: 50:[51, 56] Operation: 73-17=56 Exploring Operation: 51/17=3, Resulting Numbers: [73, 3] Generated Node #0,1,1: 50:[73, 3] Operation: 51/17=3 Exploring Operation: 73-51=22, Resulting Numbers: [17, 22] Generated Node #0,1,2: 50:[17, 22] Operation: 73-51=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[51, 56], Operations: ['78-27=51', '73-17=56'] Exploring Operation: 51+56=107, Resulting Numbers: [107] 107,50 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 51*56=2856, Resulting Numbers: [2856] 2856,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[17, 22], Operations: ['78-27=51', '73-51=22'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,50 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[73, 3], Operations: ['78-27=51', '51/17=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,50 unequal: No Solution Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,50 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 50:[27, 73, 61], Operations: ['78-17=61'] Exploring Operation: 61-27=34, Resulting Numbers: [73, 34] Generated Node #0,0,0: 50:[73, 34] Operation: 61-27=34 Exploring Operation: 73-61=12, Resulting Numbers: [27, 12] Generated Node #0,0,1: 50:[27, 12] Operation: 73-61=12 Exploring Operation: 73-27=46, Resulting Numbers: [61, 46] Generated Node #0,0,2: 50:[61, 46] Operation: 73-27=46 Moving to Node #0,2,2 Current State: 50:[5, 10], Operations: ['78-73=5', '27-17=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[17, 27, 78, 73], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [17, 27, 5] Generated Node #0,2: 50:[17, 27, 5] Operation: 78-73=5 Moving to Node #0,2 Current State: 50:[17, 27, 5], Operations: ['78-73=5'] Exploring Operation: 27-17=10, Resulting Numbers: [5, 10] Generated Node #0,2,2: 50:[5, 10] Operation: 27-17=10 Moving to Node #0,2,2 Current State: 50:[5, 10], Operations: ['78-73=5', '27-17=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 87, 15, 6, 88 ]
91
[ "88-87=1", "15*6=90", "1+90=91" ]
Current State: 91:[87, 15, 6, 88], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [15, 6, 1] Generated Node #2: [15, 6, 1] from Operation: 88-87=1 Current State: 91:[15, 6, 1], Operations: ['88-87=1'] Exploring Operation: 15*6=90, Resulting Numbers: [1, 90] Generated Node #3: [1, 90] from Operation: 15*6=90 Current State: 91:[1, 90], Operations: ['88-87=1', '15*6=90'] Exploring Operation: 1+90=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[87, 15, 6, 88], Operations: [] Exploring Operation: 87+6=93, Resulting Numbers: [15, 88, 93] Generated Node #0,0: 91:[15, 88, 93] Operation: 87+6=93 Moving to Node #0,0 Current State: 91:[15, 88, 93], Operations: ['87+6=93'] Exploring Operation: 93-88=5, Resulting Numbers: [15, 5] Generated Node #0,0,0: 91:[15, 5] Operation: 93-88=5 Moving to Node #0,0,0 Current State: 91:[15, 5], Operations: ['87+6=93', '93-88=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,91 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
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