% slitherlink 500 by Hobbit's Room, http://www.janko.at/Raetsel/Slitherlink/500.a.htm
slitherlink
medium
10 10
.3...2..1.
2.02...0.1
1...20.1..
..1...1..1
.2.13...0.
.1...12.1.
1..3...1..
..1.20...0
1.0...21.1
.3..3...1.
