% nurikabe 81 by ooya, http://www.janko.at/Raetsel/Nurikabe/081.a.htm
nurikabe
medium-
24 14
.8....7.....3...........
..2..4.....3.........4..
................5.....3.
.................4......
.....4....4..5.....3....
......5..2....3.....8...
4.....................1.
.4.....................2
...1.....2....1..4......
....6.....2..9....2.....
......1.................
.3.....5................
..3.........1.....5..3..
...........4.....3....6.
