070020010000000506000070084020008307000006059500003600840000700003900000002004000 *-----------* |.7.|.2.|.1.| |...|...|5.6| |...|.7.|.84| |---+---+---| |.2.|..8|3.7| |...|..6|.59| |5..|..3|6..| |---+---+---| |84.|...|7..| |..3|9..|...| |..2|..4|...| *-----------*