% slitherlink 375 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/375.a.htm
slitherlink
medium-
10 10
.22...3...
32..2.13.3
...2.21...
3333.2.3..
2.113.12..
...2...2..
1212...3..
........2.
.21..1.3..
3.3..32.2.
