% nurikabe 155 by ooya, http://www.janko.at/Raetsel/Nurikabe/155.a.htm
nurikabe
medium
24 14
...4.......7.....2....3.
..3.........2..1..6.....
3..........5........4..2
........................
.........8.....2..2.....
......6.................
4..9.........9......4...
.....2.....8............
.................3.6....
....1.3.................
........2.2.........2..6
..3......5..............
...2.......3.........7.3
..2..........5...3......
