% nurikabe 620 by Mokuani, http://www.janko.at/Raetsel/Nurikabe/620.a.htm
nurikabe
medium-
17 17
6.........4...2..
...........2....1
.....4....2......
.3.....4.........
1.1.........8....
.................
.........3.......
.............3...
i..........9....3
.........4..4..3.
.2.....4..3......
2.......2........
.................
.................
................2
.9...3...3.......
....1...b..g....1
