Very difficult sudoku #718
| 9 | 2 | 4 | 6 | |||||
| 6 | 3 | 7 | 1 | 5 | 2 | |||
| 2 | 7 | |||||||
| 3 | 9 | |||||||
| 1 | 8 | 9 | 7 | |||||
| 8 | 5 | |||||||
| 2 | ||||||||
| 5 | 9 | 4 | 6 | 2 | 1 | |||
| 1 | 6 |
Puzzle Completed
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