% nurikabe 88 by ooya, http://www.janko.at/Raetsel/Nurikabe/088.a.htm
nurikabe
medium
24 14
....6...................
.1....2..3...a......4...
...............2......9.
...1.............2.....4
4.....4....1..1.........
.....1..........6...1...
..4.....2...............
...2...1..7.............
.............3.7..4..1..
3...2..5......7....2....
......................8.
........................
5......7.............3..
..2...........6.5.......
