% slitherlink 69 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/069.a.htm
slitherlink
medium-
10 10
.2.......3
3..3.3.1..
3.21..1.3.
...3.2.2.3
13..1.311.
3..0.....1
2.3.....1.
...1.3..0.
.3..13.1.3
2.2.3...1.
