% nurikabe 253 by Grant Fikes, http://www.janko.at/Raetsel/Nurikabe/253.a.htm
nurikabe
medium
17 17
...........3..3..
...9.............
....3..........5.
4.......3.4...3..
.......2.........
.3.1........2....
....5....7.......
................8
3..2...1.2.......
...........2.....
..2..3...........
.................
7...3.....a......
......3.7.....e..
..1.............4
.................
....1......3.....
