Classic Sudoku game, the game is divided into 4 difficulty, difficulty 4 each, a total of 16. Each line number, column number and 3X3 number is 1-9, but does not repeat, Oh
Classic Sudoku game, the game is divided into 4 difficulty, difficulty 4 each, a total of 16. Each line number, column number and 3X3 number is 1-9, but does not repeat, Oh