% slitherlink 68 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/068.a.htm
slitherlink
medium
16 12
22.1.33.0.3..3..
..1..11..1..3.22
2.321..1.2.1..33
1..12.0..3...2.1
.3..11.3..133...
.202.310.1.22.1.
3..2.........2.3
.2..13.2.321.2.1
2.1.2.22.32.212.
.32..31...0.2..3
.32....2...223..
1..3.23213.2.3.1
