% nurikabe 467 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/467.a.htm
nurikabe
hard-
12 12
7...2.......
..2......2..
.......2....
..........2.
.....4..2...
...4.......9
............
....2..3...5
..3.........
...2........
......2.....
.9.2.....2..
