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