% nurikabe 560 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/560.a.htm
nurikabe
medium
16 12
.8........7.....
...........2....
2.......1.1....9
....3..9...1....
.....1..........
....1.1......2..
.3..............
8.9..1..2.2....4
................
..........1.1...
.........3.....4
.....3....1.2...
