% slitherlink 734 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/734.a.htm
slitherlink
medium
12 12
11....3102..
...2.......1
3.332.1...3.
3...2..3.3.2
2...........
3.2....30..2
3..32....3.3
...........2
3.2.3..2...1
.2...2.322.3
1.......3...
..3312....12
