*-----------*
|1.7|...|.32|
|.59|...|...|
|.62|..1|5..|
|---+---+---|
|..6|1.3|.8.|
|..5|.4.|7..|
|.7.|5.6|2..|
|---+---+---|
|..8|6..|32.|
|...|...|61.|
|62.|...|8.4|
*-----------*