% slitherlink 436 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/436.a.htm
slitherlink
medium-
14 10
.22222222.3..2
...22.13......
..2..3..2...3.
22.3.223.231.2
...2.....213.3
3.223..203....
..2....3..22..
..221.1212..1.
.2...323.2.3.3
.32...3.......
