% slitherlink 355 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/355.a.htm
slitherlink
medium
16 12
....21..322.3.13
3.....22.12...3.
.11212..2222.21.
3..3.32.22...2.2
...2..32.1...2.1
222.221..222..2.
321......03122.2
2..32....3.0.1.2
.....22...122.32
.2.213..33..2.12
.3.3111....3...2
3.222..333....22
