% slitherlink 444 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/444.a.htm
slitherlink
medium-
14 10
.....32.3..132
2212....31.2..
2.2.3122.2.222
.21..2...3....
...1.123.22.1.
3...3.2.0....3
..2..2..2.1...
223.2...2.12..
.2.22.2.2.3.12
312.12.3....3.
