% minesweeper 23 by Oleg Andrushko, http://www.janko.at/Raetsel/Minesweeper/023.a.htm
minesweeper
medium
9 9
3.3.2.4.2
....3....
3.4.3.6.4
...4.4...
.43...55.
...3.3...
3.3.2.5.3
....2....
3.2.1.4.3
mines 0
