% slitherlink 449 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/449.a.htm
slitherlink
medium
16 12
.3...2.2.3.2.3.3
.1.333.1...2..22
.2..10..3.2..32.
3.3..2..2.22...3
3.....221.....2.
.2331....2.12.3.
.21.....2.33...3
23.122.312...3.3
..2.2....23.1.2.
.......02211....
2..32..2.2...122
.3.21212.22.3...
