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Invariant Sudoku, Cryptodoku, and Pi-Kakuro Puzzles - Xin-She Yang
Invariant Sudoku, Cryptodoku, and Pi-Kakuro Puzzles
by: (author)
Format: paperback
ISBN: 9781846853050 (1846853052)
Publisher: Exposure Publishing
Pages no: 248
Edition language: English
Bookstores:
Books by Xin-She Yang
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