% slitherlink 475 by Hobbit's Room, http://www.janko.at/Raetsel/Slitherlink/475.a.htm
slitherlink
medium-
10 10
32....1.11
...13.....
.3...01.3.
3........0
.0.32...1.
.2...20.1.
3........1
.3.30...0.
.....20...
23.1....32
