% slitherlink 513 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/513.a.htm
slitherlink
medium-
10 10
....10.2..
.33..2.2.3
...0..1...
.32.3..3.1
3....1.1..
..3.2....2
3.3..3.23.
...0..3...
3.1.1..03.
..3.32....
