*-----------*
|.38|9.2|.5.|
|.5.|6..|3.9|
|...|..1|8..|
|---+---+---|
|729|...|...|
|..5|7.6|2..|
|...|...|197|
|---+---+---|
|..2|8..|...|
|3.4|..9|.6.|
|.6.|3.5|92.|
*-----------*