Paperback (24 Jun 2011)
Includes delivery to the United States
10+ copies available online - Usually dispatched within 7 days
Unlike regular sudoku, which uses digits 1 through 9 on a 9x9 grid, Hex Sudoku uses digits 0 through 9 and letters A through F on a 16x16 grid. There is exactly one of every hexadecimal digit (0-9, A-F) in every row, column, and 4x4 group. Regular sudoku has exactly 81 spaces, including prefilled ones. Every Hex Sudoku puzzle has at least 128 blank spaces for you to solve.
| ISBN: | 9781463622381 |
| Publisher: | Createspace Independent Publishing Platform |
| Imprint: | Createspace Independent Publishing Platform |
| Pub date: | 24 Jun 2011 |
| Language: | English |
| Number of pages: | 128 |
| Weight: | 231g |
| Height: | 235mm |
| Width: | 191mm |
| Spine width: | 7mm |
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