% slitherlink 152 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/152.a.htm
slitherlink
hard-
24 14
.1.3...12.3..3..3.2.1.3.
3..3.13..0...02....3...3
..1...103.....3.3.0.31..
3..0.2..2.302.0..1....03
.3..3.3....3.2..3..20..2
11..2....1...3.0.3....3.
.32..0.3.33......101...1
1...332......33.3.2..32.
.0....1.3.3...0....1..22
2..30..3..2.2....1.2..3.
03....1..2.023.1..3.3..3
..01.3.1.3.....213...0..
3...2....20...2..32.1..0
.3.0.3.0..3..2.23...3.3.
