Very difficult sudoku #2126
| 8 | 2 | 6 | 4 | |||||
| 6 | 3 | |||||||
| 2 | 3 | 1 | 9 | |||||
| 3 | 8 | |||||||
| 4 | 7 | 1 | 3 | |||||
| 1 | 2 | 4 | ||||||
| 6 | 3 | 9 | 5 | |||||
| 1 | 6 | |||||||
| 5 | 7 |
Puzzle Completed
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