% minesweeper 113 by Otto Janko, http://www.janko.at/Raetsel/Minesweeper/113.a.htm
minesweeper
medium-
12 12
.1...1..0.0.
.1..2...2.1.
.3.1.0...23.
............
.3221..2.1.1
......21..0.
...23....2..
.22....2..21
1..14...5.2.
.21......3..
..2..2.3...1
.2.21.1.1..1
mines 0
