% nurikabe 658 by Tom Collyer, http://www.janko.at/Raetsel/Nurikabe/658.a.htm
nurikabe
easy+
18 10
...2....1..3...5..
..2..2........4...
...1...1.1.....4..
.1..1......4......
..1...2..3...2...2
1....2............
...2...1..........
.....1..1....4....
.2.2..2...........
.........1...3.4.1
