% nurikabe 581 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/581.a.htm
nurikabe
medium
10 10
2..2.3....
..........
6....7...2
....7.....
..........
.........2
......3...
.......2..
..5.......
.4.......2
