Very difficult sudoku #1021
| 7 | 5 | 3 | 1 | 9 | ||||
| 8 | 6 | 7 | 3 | |||||
| 3 | ||||||||
| 9 | 1 | 6 | 2 | |||||
| 4 | 2 | 8 | ||||||
| 9 | ||||||||
| 4 | 7 | 1 | ||||||
| 1 | 8 | 9 | ||||||
| 7 | 3 | 4 | 5 | 8 |
Puzzle Completed
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