Board struct
Board struct

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