% slitherlink 297 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/297.a.htm
slitherlink
medium
14 10
.3...1..1.31.0
2.110..1...2..
31.....1..111.
1..3331.20....
.12..1....3.23
.......2.2.1.3
2.0121.1.12.13
3.13.3.3...2..
........1.3.1.
13.012..23.0..
