% slitherlink 310 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/310.a.htm
slitherlink
medium
14 10
..3...2333..32
3.1.1.....12..
..2...1.0....3
210.13....1.2.
.......0.1.21.
0.3.0.....1..0
2....1220....2
..0........0..
.1..013..2.2..
3.31...2..3..0
