- Code: Select all
+---+---------------------------+---+
| . | . 2 . . . 1 3 | . |
+---+---+ +---+---+
| . | . | . 6 . . . | . | . |
| +---+---+ +---+---+ |
| 3 . | . | . 2 . | . | . 4 |
| +---+---+ +---+---+ |
| . . . | . | . | . | . 7 . |
| +---+---+---+ |
| . . 5 . | . | . 4 . . |
| +---+---+---+ |
| . 9 . | . | . | . | . . . |
| +---+---+ +---+---+ |
| 4 . | . | . 3 . | . | . 2 |
| +---+---+ +---+---+ |
| . | . | . . . 8 . | . | . |
+---+---+ +---+---+
| . | 8 1 . . . 3 . | . |
+---+---------------------------+---+
I'm aware that it is not minimal