% nurikabe 156 by ooya, http://www.janko.at/Raetsel/Nurikabe/156.a.htm
nurikabe
medium
24 14
.......7................
..................4.....
........................
......5......3.....1..5.
.....7....2....1........
........................
...3.b...1.V..........2.
............3...3.2.....
.1......................
.......6........1...3...
....1............1......
........2......3........
..........1.3...........
....3...................
