% slitherlink 73 by ?, http://www.janko.at/Raetsel/Slitherlink/073.a.htm
slitherlink
medium-
10 10
.2.3..3.3.
13..10..11
..3....0..
3..13.3..1
.1....0.3.
.1.3....2.
3..2.33..1
..3....0..
31..33..12
.1.3..0.1.
