% nurikabe 526 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/526.a.htm
nurikabe
hard-
10 10
.........2
.....2.2..
...7......
....3..4.2
8.........
..........
..2.......
.........3
.....3....
...9....4.
