% slitherlink 544 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/544.a.htm
slitherlink
medium
10 10
23..0..2.2
...233.1.3
23........
...32.3.2.
.3....3.33
10.1....2.
.2.3.20...
........22
3.0.212...
1.3..1..12
