minor refactoring
minor refactoring

humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota,humbhenri/Sudoku_Poliglota