% slitherlink 686 by Grant Fikes, http://www.janko.at/Raetsel/Slitherlink/686.a.htm
slitherlink
medium-
18 10
02.2..0..0.22...12
2..3..3..2....11..
..1..2..1...13....
11...1..3..0....33
....3..2..1...33..
..21...1..1..3....
01....2..3..2...20
....13...3..1..2..
..31....1..3..1..2
11...01.1..1..3.12
