% nurikabe 558 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/558.a.htm
nurikabe
hard-
16 12
..3..2.2.2.2.9..
................
....2...........
2.....9...3..3..
..2.............
.........8......
....2..2.......3
..9.....1....1..
................
..3...2.4.1..2..
2....3..........
..1........2.1.2
