% nurikabe 584 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/584.a.htm
nurikabe
medium-
10 10
3...7.....
..........
.2........
.......4..
........9.
3.2....3..
....2....7
..........
....2.....
2.2...2...
