% nurikabe 152 by ooya, http://www.janko.at/Raetsel/Nurikabe/152.a.htm
nurikabe
hard
24 14
...3.....5......4....4..
........3......4........
.2.....................6
............4...........
....7....2.5....2...4..3
.....4.........4...3....
.4.2....................
.....3.....7........1...
.........5..4...........
....3..........3....2...
...................4...4
..5..3...2.......6......
...........4....2....3..
.5........6............2
