% nurikabe #11 by James Dow Allen in 2007, http://fabpedigree.com/nurikabe/nurik11.htm
nurikabe
very hard
13 13
.4....1......
.......1.....
3...........1
...2....5....
..........e..
2............
..3..........
..........1..
3..1.5.5....2
....1........
.............
..e....f...4.
.............
