% slitherlink 535 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/535.a.htm
slitherlink
medium-
10 10
3.1.....00
1...1323..
.2.0.....1
.0.1.323..
.2.3....0.
.1....0.2.
..201.2.2.
1.....2.1.
..2303...2
22.....3.1
