Very difficult sudoku #2992
| 7 | 9 | 3 | 2 | |||||
| 4 | ||||||||
| 4 | 7 | 1 | ||||||
| 2 | 9 | 1 | 7 | |||||
| 2 | 3 | |||||||
| 6 | 7 | |||||||
| 5 | 8 | |||||||
| 2 | 1 | 9 | 6 | |||||
| 8 | 3 | 6 | 2 |
Puzzle Completed
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