Sudoku Collection : 200 Hard Argyle Sudokupuzzles 9X9

Argyle Sudoku contains additional diagonals; every marked diagonal line contains each digit not more than once.

• • Author: Alena Gurin
• • Publisher: Independently Published
• • Publication Date: Aug 14, 2019
• • Number of Pages: 122 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1686320698
• • ISBN-13: 9781686320699