% nurikabe 388 by Otto Janko, http://www.janko.at/Raetsel/Nurikabe/388.a.htm
nurikabe
medium
15 15
3.1..2..2..2..2
...............
....4..3.2.2..2
.....3.........
1..4....3.2.2.2
...............
...............
...4...3.2.2..2
....4..........
.4......1.7...1
.......3.....4.
....4..........
..1....3....3..
.1............2
...............
