% nurikabe 181 by Lars Huttar, http://www.janko.at/Raetsel/Nurikabe/181.a.htm
nurikabe
medium-
14 12
.1.2...3......
........2..3..
....2.......3.
..4.....4.2...
.3............
.......2......
..........2.1.
..2.....2.....
.......4......
.9.........4..
......3..3....
1.......2.....
