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Hard Math Puzzles For Adults Rebecca Howell
Hard Math Puzzles For Adults
Rebecca Howell
Sujiken (from Japanese "sujikai", literally "diagonal") is a variation of Sudoku, invented by George Heineman (USA). The puzzle consists of a triangular grid of cells containing digits from 1 to 9. The objective is to fill a grid with digits so that each cell contains a digit and no digit is repeated in any column, row and diagonal in any direction. Also, no digit occurs twice in any of the three larger 3 x 3 square regions and any of the three larger triangular regions enclosed by thick borders.
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| メディア | 書籍 Paperback Book (ソフトカバーで背表紙を接着した本) |
| リリース済み | 2018年9月1日 |
| ISBN13 | 9781720012917 |
| ページ数 | 116 |
| 寸法 | 152 × 229 × 7 mm · 181 g |
| 言語 | 英語 |
