Diagonal Sudoku Puzzles (Mini Sudoku Series #107, #108)
Set Of Diagonal Sudoku Puzzles. 3 Difficulty Levels. Logic Game For Children And Adults. Printable Page For Kids Brain Teaser Book. Developing Counting Skills. IQ Training Test. Black And White Vector Royalty
500 Sudoku X Puzzles: Easy Diagonal Sudoku Puzzle Book for Beginners: Riddles, Naicsa's: 9798839078512: Amazon.com: Books
Sudoku Variants: 150 Sudoku X Puzzles Diagonal Sudoku Book : Medium, Sudoku Variations, Standard 9x9 Grid with X Factor, Book 6, (6x9 in) (Series #6) (Paperback) - Walmart.com