% slitherlink 382 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/382.a.htm
slitherlink
hard-
20 15
33..13223.223....3.3
22.2....22.23.121.2.
2.213.3.3.2..21.32..
...2...1.3.222.23.3.
2.2222.....21..2.1..
..2..2..2.2...23.32.
..2....213.212121.1.
..22.213.21.22...2..
2.12223....2...2....
..2..1......1.2.1121
.21......2321232....
..2.2223..3....22...
320203...0..32.2....
23...223......2.22.2
..22.......33..332.3
