% nurikabe 380 by Otto Janko, http://www.janko.at/Raetsel/Nurikabe/380.a.htm
nurikabe
medium
13 13
3...2...3....
.............
3...3.......5
......2.2....
.4..........1
.......3...2.
....3........
.......3....4
..5..........
............4
.....3.......
........1...4
1.4.3........
