Sudoku · sdk5-m-1af4u9y
9 × 9 · Max 9 · medium
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| 5 | Empty | Empty | 7 | Empty | 1 | Empty | 4 | Empty |
| Empty | 1 | Empty | Empty | Empty | Empty | 7 | Empty | Empty |
| 2 | 4 | Empty | Empty | Empty | 9 | 8 | Empty | Empty |
| Empty | Empty | Empty | Empty | Empty | 7 | Empty | Empty | Empty |
| 3 | Empty | Empty | 2 | 4 | 5 | Empty | Empty | Empty |
| Empty | 6 | Empty | 1 | Empty | Empty | Empty | Empty | Empty |
| 6 | Empty | Empty | Empty | 2 | Empty | Empty | Empty | 1 |
| 8 | Empty | Empty | 3 | 7 | Empty | Empty | 5 | Empty |
| Empty | Empty | Empty | Empty | Empty | Empty | Empty | Empty | 9 |