% nurikabe 179 by ooya, http://www.janko.at/Raetsel/Nurikabe/179.a.htm
nurikabe
medium-
18 10
8..............3..
..............2...
..........8.......
.........2.......2
......5......5....
.3...1.3..8....2..
...2..............
6......6...5.....2
.............3....
1..............1..
