% nurikabe 350 by Halflength Sleeve, http://www.janko.at/Raetsel/Nurikabe/350.a.htm
nurikabe
very hard
36 20
..2.8.3..4.5....3...4.........2.....
............................7.......
3...........6......4...1.........1..
.4..................................
....3........5..1..........5..3....d
....................9.1.....2..1....
.1.......................4..........
8.......2.................3....4....
..4...3..4.......3.4..2.......2..2..
..............4.7...................
....................................
.....8........8.....5.........9.....
........9.......3.o.................
..............................1.....
..............e.....................
.....1.4.....3.....f.............4..
......7..............2..8.......3...
.2.....................6............
........................2......4....
....6.3..a................7.4......7
