% slitherlink 362 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/362.a.htm
slitherlink
very hard
30 20
.22..32.2...2.3...3..1.3.322.3
..2..1.3.3.222..121222........
.3...22...13.2...22211.32.....
2.2...23.33.12..31.2..2.223.2.
....2....2...22.21..3.2.....2.
....32..1.223...3..1.02..2.2.2
2212.2..2.2...2....2320..1.11.
.2....3.111..3....1.....2.2332
33......23.12..2.3....1.1.....
..1213...22...2..1.12.12.1223.
.2...21332.3..222..2.3.3.3.1.3
..2..2....3.1...02..12.11..3.3
.2.3....3.32.22..321.2...33...
..2...0.02.1...31.3...12....2.
3.12........2....1..3..3.3.30.
.2...1.1.12...2..32...2.2.2..3
..2.1.21..2.131.2..12.3.2.1.1.
1.1..31.23.23.2.3222.2.12..3..
..2.122....2..12....2..2..1.22
.23.2332..1..3.2.......2...3..
