Very difficult sudoku #1821
| 7 | 8 | 9 | ||||||
| 8 | 7 | 1 | 5 | |||||
| 9 | ||||||||
| 1 | 5 | 2 | ||||||
| 7 | 3 | 9 | ||||||
| 2 | 9 | 7 | 3 | |||||
| 8 | 9 | 7 | 1 | |||||
| 5 | 8 | 4 | 2 | 7 | ||||
| 4 | 2 |
Puzzle Completed
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