Very difficult sudoku #3437
| 6 | 2 | 1 | ||||||
| 8 | 7 | |||||||
| 3 | 9 | 4 | 6 | |||||
| 1 | ||||||||
| 5 | 9 | 8 | 1 | 4 | ||||
| 1 | 9 | 7 | ||||||
| 3 | 1 | 6 | 8 | |||||
| 2 | 4 | 1 | ||||||
| 8 | 2 |
Puzzle Completed
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