% nurikabe 154 by ooya, http://www.janko.at/Raetsel/Nurikabe/154.a.htm
nurikabe
medium
24 14
....8..................5
..........8..........5..
......5..4..5...........
..........4.............
..4...6..5.......3....6.
.............6......5...
.......................7
............5........5..
........................
4..3.......4..3.6.......
........................
..8.....................
.6......7...5....5......
....5.....5.............
