% slitherlink 533 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/533.a.htm
slitherlink
medium-
10 10
.31...32..
...322...1
0....12..3
2.3.0...1.
.01...2.2.
.1.3...13.
.1...1.0.1
1..31....0
1...313...
..10...22.
