% nurikabe 479 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/479.a.htm
nurikabe
hard-
12 12
..9......3..
............
....2.....5.
............
...3...2.2..
3...8......2
.3......5...
...........3
...3........
...........3
...3..2.3...
............
