% slitherlink 348 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/348.a.htm
slitherlink
medium-
10 10
2.3.2...23
.2..122...
.23..2.221
...2.1.223
.3..333.3.
.32..0....
1....32..2
...2...123
22.02..32.
.12...2..3
