% slitherlink 477 by Hobbit's Room, http://www.janko.at/Raetsel/Slitherlink/477.a.htm
slitherlink
medium-
10 10
.3..1....1
01...1312.
...2....3.
..02..1.0.
1....2..3.
.3..3....1
.0.3..30..
.2....3...
.2111...33
3....3..0.
