% slitherlink 699 by Grant Fikes, http://www.janko.at/Raetsel/Slitherlink/699.a.htm
slitherlink
very hard
36 20
....3..3.2..2...1..1...1...1..33....
323.3.......2.2.1.21.3...21.3...03.2
......12..03..2..3....2.2....33.....
.1132.2.2...2.............1.....2.11
0.3.....0.12..2..011.02...2.........
.1...31........3........131.1.3..30.
....2.0..0......0...11.1...10......2
3.3......1..1.1.2.1....13.....311..1
.3.3.2.3..32..0....3.0...3.22....312
..0.2.1.31..3.3..3...3.1........1...
...1........2.2...3..1.1..20.1.2.0..
121....30.3...2.0....3..20..1.2.1.3.
1..313.....32....1.3.2.0..1......1.2
1......21...2.21...3......1..2.1....
.31..3.1.232........0........30...1.
.........1...21.311..3..30.1.....2.0
10.3.....3.............1...1.2.1211.
.....21....2.2....2..3..13..21......
0.33...3.33...3.21.3.3.1.......0.123
....33..0...0...0..2...1..3.1..2....
