% nurikabe 455 by Grant Fikes, http://www.janko.at/Raetsel/Nurikabe/455.a.htm
nurikabe
easy+
18 10
.................4
..3.4.....4.......
...8.............2
..................
..1....4.3..5.....
....9.............
...6........2..a..
..................
4................a
...3..............
