% slitherlink 82 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/082.a.htm
slitherlink
hard
20 15
..3....0.31.2....0..
....32........1322.2
13.2201.10.31......3
2.2...33..1.1.1210..
....0..1..2....1...0
.3.11..2.13131.1.1..
.3.....2.3........0.
0...123.210...102.2.
..32..1....3.3..1.2.
3.1....01..1..3.2...
2...13.3.20...1...31
.2.0....1.2..22.0...
3....2..3.3.3.2.2.1.
1..2.0..1....1.3.33.
.32..3.0.32.1....22.
