% slitherlink 285 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/285.a.htm
slitherlink
medium-
10 10
.3......13
.0.33.2...
...1..3..3
2....1....
.30...2..1
..1...3.11
..3.0.....
21...11..1
...13.20..
3.3.....22
