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Hard Math Puzzles For Adults Rebecca Howell
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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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| Medij | Knjige Paperback Book (Knjiga z mehkimi platnicami in lepljenim hrbtom) |
| Izdano | 1. septembra 2018 |
| ISBN13 | 9781720012917 |
| Strani | 116 |
| Dimenzije | 152 × 229 × 7 mm · 181 g |
| Jezik | Angleščina |
