*-----------*
|...|32.|..7|
|...|...|..4|
|1.6|5..|3.9|
|---+---+---|
|.7.|6..|5.1|
|..1|.4.|9..|
|3.8|..9|.4.|
|---+---+---|
|2.7|..1|8.3|
|6..|...|...|
|8..|.35|...|
*-----------*