% nurikabe 659 by Tom Collyer, http://www.janko.at/Raetsel/Nurikabe/659.a.htm
nurikabe
medium-
24 14
........................
........................
..2.p.1...............5.
.5......................
.............1...2......
.5.......3..a.1.1.1.3..2
..2.4...................
.....7..2.2.5...8...3..1
........................
.....4...5..4...3....2.1
k.5.7...................
.......................4
........................
....................5.2.
