Invariant Sudoku, Cryptodoku, . . .
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| Google books | books.google.com |
|---|---|
| Originally published | July 2006 |
| Authors | Xin-She Yang |
| Genres | Puzzle |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2150814 |
About Invariant Sudoku, Cryptodoku, . . .
This book strives to present five new variants of Sudoku and Kakuro, including Invariant and Perfect Sudoku, Cryptodoku, Sudoku-Kakuro, and Tridoku. It consists of 110 various puzzles grouped into eight different levels. . . .