% nurikabe 261 by Robert Hollenstein, http://www.janko.at/Raetsel/Nurikabe/261.a.htm
nurikabe
very hard
36 20
.............7.e................4...
......5.............................
..............b.............1.2.....
.......4..4...............2....k....
9...........5...........2.....3..3..
.........9.3.3.....3.....5..3.......
..4............3.3..................
.......................6.......5....
..5............4......3.............
........5.5.............4....8....6.
6....4......3...9........3....2.....
....................................
............3............3..........
.....2....5......8....3........5....
....4..6.................3..........
............4..3.4..........3...2...
...3..................6..3.......6..
.1..2..4...2.3.d...............4....
...4.............3.......3..........
...................1.2.1............
