% slitherlink 446 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/446.a.htm
slitherlink
medium
14 10
3...3.23.2...3
..31..3222..2.
1..33.2..2..23
..2...3..1.1..
3...2...2.32..
...3.23.321222
.12......22.32
.3..32.3.....1
...3.2.223123.
3...32......23
