% slitherlink 588 by Luke Pebody, http://www.janko.at/Raetsel/Slitherlink/588.a.htm
slitherlink
medium
19 16
.3323.31.2.3..2....
...2222.3.2....333.
2.222...2.1..331...
..12...212.3.1.121.
222..1..2..1.22.2..
...2.2.3..2.32.2..2
2.2..12203111.2..22
..2..2..2..2...13.2
.121....0.12..12..2
31.321223.2..2221.2
..212.3...123..3.21
213.3.32332..21....
.2..2.....1..123.22
202..2...32122..2..
..2120.12.22.212..2
...223......1..32..
