% slitherlink 553 by Luke Pebody, http://www.janko.at/Raetsel/Slitherlink/553.a.htm
slitherlink
medium-
10 10
...3..2313
..22121...
...2..2.1.
...2...2.2
32..2231.3
.3..2...22
2.0.2.2323
3322....21
2..22.....
....3..3.2
