- Code: Select all
+-------+-------+-------+
| . . 4 | . 7 . | . . 8 |
| 1 . 8 | . . 3 | . . . |
| . 5 . | . . . | . 1 . |
+-------+-------+-------+
| . 7 . | 2 . . | . . 3 |
| 8 . . | . 3 . | . . 9 |
| 3 . . | . . 7 | . 6 . |
+-------+-------+-------+
| . 9 . | . . . | . 4 . |
| . . . | 1 . . | 3 . 5 |
| 2 . . | . 4 . | 1 . . |
+-------+-------+-------+
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