Sudoku 4 Black Belts
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One hundred of the toughest Sudoku puzzles ever devised. A challenge to all but the best. Come on..have a go..are you a black belt in sudoku?
Details
- Publication Date
- Nov 5, 2011
- Language
- English
- Category
- Crafts & Hobbies
- Copyright
- All Rights Reserved - Standard Copyright License
- Contributors
- By (author): Professor Carver Yashimoto
Specifications
- Format