Very difficult sudoku #1646
| 3 | 2 | |||||||
| 7 | ||||||||
| 6 | 8 | |||||||
| 5 | 1 | |||||||
| 5 | ||||||||
| 4 | 5 | 8 | 3 | 6 | ||||
| 5 | 2 | 3 | 7 | 8 | 4 | |||
| 4 | 1 | 8 | 9 | |||||
| 6 | 4 |
Puzzle Completed
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