% slitherlink 374 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/374.a.htm
slitherlink
medium-
10 10
3..32.3.3.
....3....2
....1...3.
.3..3..2..
..01..2..3
....231..3
.3...2.3..
.....22.1.
3.31..23.3
.13.3.132.
