% nurikabe 573 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/573.a.htm
nurikabe
easy+
10 10
..........
3..3.....4
.2........
...3..3...
.....9...3
........3.
..........
.4........
..........
.2..3..3.3
