% slitherlink 316 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/316.a.htm
slitherlink
hard-
16 12
.1.1.1.3.3.112..
3...3..1.....0.2
1..3.31.0.1....3
.....1...1231.1.
132.1.1.1...0..3
.......1.3.1....
322.23.1.2....31
...01.2.1..1.1.3
..22.1....1..2..
2...11...1...1.3
3.0...1113.2..1.
3.2.11.....22.31
