% nurikabe 543 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/543.a.htm
nurikabe
medium-
10 10
2......3..
...2..5...
2.........
..........
...2..2..6
..........
.7........
7.......6.
.......3..
....2.....
