% slitherlink 629 by Luke Pebody, http://www.janko.at/Raetsel/Slitherlink/629.a.htm
slitherlink
hard
19 16
02..1.....2.2.1....
..1312.3.3.2.3.....
.....0.......1.3..1
..1..2131.3.212.122
......2...2...3.3..
2.22....0.......1.3
223..2...3..32.2111
3...21..3..2.0...2.
...2....2.321131..3
..01..2...22.3.....
.22.312.2..3.2.....
3..2..22...2..21..3
..1.2..31.1.2..321.
23220.2.1..2.2..2.2
2.220..2.1.3.2.232.
...32..1.2....1.2..
