-------------
|9 5|   |   |
| 4 | 5 |1  |
| 17| 2 |85 |
-------------
|5 1| 92|   |
|   |1 7|2  |
| 36| 4 |   |
-------------
|  3| 64|  9|
|   |31 | 48|
|8  |   |6  |
-------------
