% slitherlink 305 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/305.a.htm
slitherlink
medium-
10 10
1..1.3...2
..1.0....3
3.....33..
.3........
.....320.3
3..2....3.
.2..1.3..3
21........
301.31..1.
....13.3.1
