% slitherlink 490 by Hobbit's Room, http://www.janko.at/Raetsel/Slitherlink/490.a.htm
slitherlink
medium-
10 10
2.2.12.1.1
.3.3..3.3.
1......1.1
.1..01..3.
1..2..2..2
1..2..1..1
.0..03..1.
1.1......1
.3.2..1.3.
2.3.23.2.2
