% nurikabe 1 by Warai Kamosika, http://www.janko.at/Raetsel/Nurikabe/001.a.htm
nurikabe
easy+
10 10
....2.2...
2.......2.
...2......
.2....2...
.....2.2..
..2.......
.....2.2..
..2......2
2....2....
........2.
