- Code: Select all
+-------+-------+-------+
| . . . | . . 1 | . 2 . |
| 3 . . | . . . | 4 . . |
| . 1 2 | 5 . . | 6 . . |
+-------+-------+-------+
| 5 . . | . 6 . | 7 . . |
| . . . | 1 . 4 | . . . |
| . . 8 | . 3 . | . . 9 |
+-------+-------+-------+
| . . 9 | . . 2 | 1 7 . |
| . . 7 | . . . | . . 3 |
| . 8 . | 4 . . | . . . |
+-------+-------+-------+ ED=5.7/4.0/3.6