% nurikabe 540 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/540.a.htm
nurikabe
medium-
10 10
....8.....
.......2..
2........3
........2.
.....2....
....2.2...
8........2
........2.
3.....8...
.........2
