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Beyond Black Belt Sudoku by Frank Longo
Category: Puzzles | Series: Martial Arts Sudoku
For diehards only! These incredibly difficult puzzles are handcrafted for the sudoku warrior who dares to go where other solvers fear to tread. So, if you're armed with the highest-level strategies, get ready for the most satisfying fight your life. It's the most challenging sudoku book we've ever publi ...Show more
Level 3 Orange Belt Sudoku by Frank Longo
Category: Sports and Hobbies | Series: Martial Arts Sudoku S.
Now everyone can find the perfect sudoku challenge and become a master at the game. Just like karate, these puzzle collections are ranked by different-coloured belts...and they're more precisely and accurately organized by level than ever before. Beginners can start with the extremely easy White Belt (L ...Show more
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