% slitherlink 159 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/159.a.htm
slitherlink
hard-
24 14
1.1.1.....1.3..022.1...2
2...1.232..1..2...3.113.
.322.2...2...3..1..1...1
2...2..1..3..3.3.3.1.2.2
2.1.3.3.3.1..3..2..2...2
3...0..1..2.3.1...1.103.
.121.3...3.2...311.....1
1.....232...1.3...3.310.
.131.3...3.3.1..3..1...1
0...2..3..1..3.2.2.3.1.1
2.3.2.3.1.0..3..3..3...2
2...3..2..1...1...2.113.
.323.2...3..3..331.3...3
3...2.223..3.3.....2.1.2
