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