Hard Sudoku X Puzzle Book for Adults: 250 Hard Sudoku For Advanced Players

By Alena Gurin

Take on a more demanding twist on classic Sudoku with 250 Hard Sudoku X puzzles

Sudoku X-also known as Diagonal Sudoku-follows the familiar rules of classic 9 9 Sudoku with one additional requirement. Fill every row, column, and 3 3 region with the numbers 1 through 9 without repetition. Both main diagonals-forming an X across the grid-must also contain every number from 1 through 9 exactly once.

This additional rule creates new logical connections and adds greater depth to every puzzle, offering a rewarding experience for anyone looking to move beyond traditional Sudoku.

Inside this book:

250 Hard Sudoku X puzzlesHard difficulty levelClassic 9 9 grids with an additional diagonal ruleOne unique solution for every puzzleTwo puzzles per pageHours of engaging logic-based entertainment

Perfect for quiet evenings, travel, relaxing breaks, or any time you want to test your logic with a more demanding variation of the classic number puzzle.

Master the diagonals and see if you can solve all 250 puzzl

• Format: Paperback
• Language: English
• ISBN: B08L77PLFG
• ISBN13: 9798698981527
• Release Date: October 2020
• Publisher: Independently Published
• Length: 152 Pages
• Weight: 0.47 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"