*-----------* |.31|...|84.| |...|...|..2| |.42|..6|1..| |---+---+---| |62.|7.8|...| |1..|.5.|..8| |...|4.2|.15| |---+---+---| |..3|9..|26.| |4..|...|...| |.79|...|38.| *-----------*