% nurikabe 77 by ooya, http://www.janko.at/Raetsel/Nurikabe/077.a.htm
nurikabe
easy+
18 10
1..3...........8.4
..................
...4..5..2........
............2.....
3...............2.
......3....4.....3
........5......1..
...4.6.8..........
..................
4....5.......6...1
