Download or read book Sudoku X written by Stanislav Korin and published by . This book was released on 2020-06-15 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.