% nurikabe 450 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/450.a.htm
nurikabe
medium
12 12
......6.6..4
6...........
..5.........
2...........
....2..2....
............
3...........
..2..2.2.2..
......5...7.
3...........
..2.........
.......5...3
