% nurikabe 71 by ooya, http://www.janko.at/Raetsel/Nurikabe/071.a.htm
nurikabe
easy+
18 10
...3....6.3..3....
2...2.............
...........4..3..3
3.........2.......
....1...2........2
.......2...1...4..
.....4..........4.
4......4....2.....
.3..6........5....
........1.........
