% nurikabe 443 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/443.a.htm
nurikabe
medium-
12 9
......3...4.
.5..........
..6....3..3.
.........2..
7.1.........
...3........
..3....2.6..
.....2.....3
............
