% minesweeper 20 by Oleg Andrushko, http://www.janko.at/Raetsel/Minesweeper/020.a.htm
minesweeper
medium-
8 8
..2..2..
.3..4.4.
.2.5..3.
1...44.1
2.44...2
.4..4.5.
.5.2..6.
..1..3..
mines 0
