% slitherlink 121 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/121.a.htm
slitherlink
medium-
18 10
22.0.32.11.32.1.31
20.....2..0.....31
...323.2311.201...
..................
13..30.31.3..12.20
03.02..1.13.30..32
..................
...310.1013.133...
33.....3..3.....03
10.0.32.22.31.0.32
