% slitherlink 63 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/063.a.htm
slitherlink
medium-
10 10
.113..213.
2........0
3..1310..1
2.3....3.1
..3.22.0..
..3.23.2..
1.1....2.0
1..3232..1
3........1
.110..323.
