% nurikabe 360 by Adolfo Zanellati, http://www.janko.at/Raetsel/Nurikabe/360.a.htm
nurikabe
hard
10 10
.......4..
..7.....3.
...3......
.7....7...
..........
..........
.....2..5.
.........3
..3.......
....3.....
