Very difficult sudoku #3406
| 2 | 6 | |||||||
| 9 | 4 | |||||||
| 4 | 7 | 3 | 1 | |||||
| 8 | 5 | 7 | 3 | 1 | ||||
| 2 | 8 | |||||||
| 9 | 3 | 8 | 6 | |||||
| 1 | 7 | |||||||
| 9 | 4 | 1 | ||||||
| 2 | 5 | 6 |
Puzzle Completed
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