% slitherlink 269 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/269.a.htm
slitherlink
medium-
10 10
3...13.1.3
..1....1..
0...30..32
..122.1...
.1......2.
3..32.3..1
......3.3.
1.3.21.3.1
......0.0.
31..31..3.
