% nurikabe 151 by ooya, http://www.janko.at/Raetsel/Nurikabe/151.a.htm
nurikabe
hard-
24 14
..............1..4......
.4.........1.........2..
...................5....
3......8.6....3..4.....3
.....8..................
............5..4..6.....
.....4...a..............
.2.4..........3.5.......
......2.............3...
...............2........
4.........3.......4....4
..2...3.................
........9....2.....6....
.5..2..........2........
