% slitherlink 518 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/518.a.htm
slitherlink
hard-
24 14
.3.0.23....3.0.3..3....2
.1.3..3.313.3.2.1.03.203
3..2..3.3..1...3....21..
..3..3.2.0..1...3......3
21..2...1.2...31.0.0..3.
...0.20..3.2......3.31.1
32..3...2...33..0.......
.......0..13...3...1..33
3.30.2......1.1..13.3...
.0..3.2.02...3.3...2..23
1......3...3..0.2.2..1..
..23....0...2..1.2..2..3
131.03.3.3.3.133.2..3.3.
3....3..1.2.3....33.3.3.
