% slitherlink 349 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/349.a.htm
slitherlink
medium-
10 10
.3.......3
3.1213..22
.32..3.323
3..21...1.
1..23.2...
2.22...22.
2..32..2..
.3...212.1
...23...2.
.2...2....
