-------------
|   | 9 | 5 |
| 67|  8| 4 |
|  5|6  |  8|
-------------
|8  | 4 |6  |
| 2 |  6|   |
|6  |2  |4  |
-------------
|  6|  2|8 4|
|  2|  4|3  |
|48 |5  | 69|
-------------
