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Sudoku Challenges

Sudoku Challenges 200 Advanced Puzzles

Paperback (25 Apr 2016)

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Publisher's Synopsis

These 200 advanced puzzles will require a more sophisticated Sudoku strategy. It's possible to have incorrect digits that don't conflict, but eventually you will have to backtrack. All puzzles have been checked to ensure there is only one valid answer.

Book information

ISBN: 9781532927188
Publisher: Createspace Independent Publishing Platform
Imprint: Createspace Independent Publishing Platform
Pub date:
Weight: -1g

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