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Medium Sudoku Brain Games: Sudoku Puzzle Book: Hints, Solutions, Tips in Large Print: Saldrick, Chris T.: 9781953210067: Amazon.com: Books
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Medium Sudoku Brain Games: Sudoku Puzzle Book: Hints, Solutions, Tips in Large Print: Saldrick, Chris T.: 9781953210067: Amazon.com: Books
Meta-sudoku, round 4: A valid meta-puzzle – Arthur O'Dwyer – Stuff mostly about C++
