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Way Beyond Black Belt Sudoku (R), Paperback / softback Book

Way Beyond Black Belt Sudoku (R) Paperback / softback

Part of the Martial Arts Puzzles series series


Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen! Calling all sudoku-solving diehards: with every puzzle requiring upper-level strategies, this collection packs even more of a punch than our previous Beyond Black Belt Sudoku.

Get ready, because you'll encounter common advanced techniques with curious-sounding names like XYZ-Wing, Finned X-Wing, Sashimi X-Wing, Swordfish, Jellyfish, Gordonian Rectangle, and Gordonian Polygon. And you might find some tricky new things here, too, from Grouped X-Cycle and Simple Grid Coloring to 3D Medusa and Bi-Value Universal Grave.

The sudoku generally become increasingly difficult as the book goes along, from "pretty darn hard" to "excruciating." Are you up for the challenge?


  • Format: Paperback / softback
  • Pages: 192 pages
  • Publisher: Sterling Publishing Co Inc
  • Publication Date:
  • Category: Sudoku & number puzzles
  • ISBN: 9781454933571



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