% slitherlink 473 by Hobbit's Room, http://www.janko.at/Raetsel/Slitherlink/473.a.htm
slitherlink
medium-
10 10
.2.0..2..1
31..3..2..
..1..1.33.
2...3....3
.3.13..3..
..0..32.0.
2....1...3
.33.0..0..
..0..1..33
1..1..3.0.
