% nurikabe 214 by ooya, http://www.janko.at/Raetsel/Nurikabe/214.a.htm
nurikabe
medium-
17 17
8.9.4.........2..
.............2...
.................
.........2.......
......3...a....6.
.....1......1....
.2...........1...
2...4...2.3......
...3.....1.....2.
........3.2...5..
4....4...........
......3......3...
...4....1...5....
.2.......2.......
.......2.........
.....1...........
....5.........6.a
