Stanislav Korin

Sudoku X Stanislav Korin

Sudoku Puzzle is a grid with 9 squares deep and 9 squares wide. In each square you need to enter numbers from 1 to 9. The meaning of the puzzle: use the number in each row, column and 3x3 block only once. In some sudokus main diagonals also contain the digits 1 through N. This variant is called Sudoku X ("Diagonal Sudoku"). Use the check box Diagonals for such sudokus.