% slitherlink 351 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/351.a.htm
slitherlink
medium
16 12
322.2...3.12...3
.2.11.21.3.2.2..
33.3.22132..3...
2.1..2222...132.
.223..2..132.2..
..2....22...3.21
.22.0.122......2
2...32..1.3.3...
.33.....3.......
2.0.2....3.32...
.32..32..1....23
3.1..2222.323..3
