% nurikabe 468 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/468.a.htm
nurikabe
medium
12 12
...3.....3.2
....2.......
..........9.
4.3.........
............
.2.........4
2...2.......
...4..2.....
..........2.
2........8.3
......2.....
2..4....2...
