% nurikabe 2 by Warai Kamosika, http://www.janko.at/Raetsel/Nurikabe/002.a.htm
nurikabe
easy+
10 10
..3....2..
...3.....2
..2.......
...3.....3
.3........
....3....3
..2...2...
.....3....
..........
.3.....2.2
