% slitherlink 557 by Luke Pebody, http://www.janko.at/Raetsel/Slitherlink/557.a.htm
slitherlink
medium
19 16
.2.32...3...2..233.
.1...22.232.213.212
2231121.122322..2..
2..2.2221.1..2.....
2121..102322.....13
..1113.2.....2...23
2223...2..21.13..03
323..3.....3..3..3.
2....30....21231.1.
.2..23..33233....3.
..2....2.222110.22.
...3222..........3.
3321.1..1.....2.231
1.2..0...2.22...2.3
2....1.0..3.1.....2
...1...3331.33.3...
