*-----------*
|...|496|87.|
|8..|..2|6..|
|...|85.|..3|
|---+---+---|
|.6.|...|...|
|3..|2.8|..1|
|...|...|.4.|
|---+---+---|
|6..|.27|...|
|..7|9..|..6|
|.95|364|...|
*-----------*