Very difficult sudoku #2397
| 2 | 7 | 1 | ||||||
| 8 | 6 | |||||||
| 1 | 6 | |||||||
| 2 | 1 | 7 | 5 | |||||
| 1 | 3 | 2 | ||||||
| 7 | 6 | |||||||
| 5 | 3 | 6 | 4 | |||||
| 8 | ||||||||
| 4 | 3 | 8 |
Puzzle Completed
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