*-----------*
|...|.46|.38|
|..5|8.3|.2.|
|8..|...|..4|
|---+---+---|
|.7.|...|.86|
|..2|...|9..|
|95.|...|.1.|
|---+---+---|
|5..|...|..9|
|.6.|4.8|2..|
|32.|61.|...|
*-----------*