% slitherlink 511 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/511.a.htm
slitherlink
easy+
10 10
...0223...
...3..2...
.30....23.
.3..03..0.
2..3..0..1
2..1..2..1
.3..33..3.
.30....30.
...1..0...
...2212...
