% slitherlink 658 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/658.a.htm
slitherlink
hard-
24 14
3..2..23.132..3.2..3.32.
23...1...32...22.1.0.2..
3..2.3.3........3..23...
.1..2....3..3.30.....2..
.3..231...011..3..02.3.3
21...2..1....3...3.1...1
2.3....1....3.12...2.2.2
2.2.3.2..3.2.2..2.2.2..3
221.2..30.1..21.........
...3....21.........2.322
..2.3..2...3.31....13122
3....2.2.....2.3.2.11..2
31.3.31...21..3.....1..1
2.....2.3....2.....3..3.
