% nurikabe 60 by ooya, http://www.janko.at/Raetsel/Nurikabe/060.a.htm
nurikabe
medium-
16 10
...........1...7
.3..8........5..
7...............
.....2...3......
..6....4....3...
....5...........
...........4....
....4...........
......4........2
..1..........5..
