% slitherlink 77 by ?, http://www.janko.at/Raetsel/Slitherlink/077.a.htm
slitherlink
medium-
10 10
0..0..3..2
.2..11..3.
..3....3..
3..1..2..0
.0...0..2.
.2..3...0.
0..3..3..3
..0....1..
.3..21..3.
1..3..0..3
