% nurikabe 546 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/546.a.htm
nurikabe
medium
16 12
.3....3.4..2....
..........2.....
............3...
3.............3.
.2.....4........
...9.2......2...
..2...........2.
.......4.2......
............3...
3.3.....3.....2.
.............6..
.4....3.3.......
