% slitherlink 731 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/731.a.htm
slitherlink
medium-
10 10
320.2.2..2
.2..2.1...
....0...3.
3.3....03.
.3.1...2..
..1...2.1.
.21....3.1
.0...1....
...0.2..2.
0..3.2.201
