% slitherlink 479 by Hobbit's Room, http://www.janko.at/Raetsel/Slitherlink/479.a.htm
slitherlink
medium-
10 10
.1.20.10..
2.1..2..3.
1.3..0..2.
0.3..1..1.
1.3..1..1.
.1..2..3.0
.2..1..0.1
.2..3..1.1
.3..0..2.0
..21.13.1.
