% nurikabe 464 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/464.a.htm
nurikabe
medium-
10 10
.....7....
..2.2.....
3......2..
...5.....2
.......4..
3.........
..........
9.........
..........
5.....3..2
