Very difficult sudoku #3168
| 8 | 4 | |||||||
| 1 | 9 | 7 | ||||||
| 3 | 2 | 1 | ||||||
| 2 | 4 | 9 | ||||||
| 5 | 9 | 2 | ||||||
| 9 | 5 | |||||||
| 8 | 6 | |||||||
| 7 | 5 | 3 | 8 | |||||
| 2 | 6 | 4 |
Puzzle Completed
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