% nurikabe 368 by Otto Janko, http://www.janko.at/Raetsel/Nurikabe/368.a.htm
nurikabe
medium
13 13
.4.3.....3..1
......5...5..
...1.........
3............
...3....5....
............3
..1..........
.....3...4..1
..3..........
....2.2..2...
.3.........3.
............4
2..4....2....
