% slitherlink 146 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/146.a.htm
slitherlink
medium-
18 10
33.3.131..131.3.31
..1.1....0...0.2..
..3.1...2....3.0..
30...313..321...11
..3.1...2....2.3..
..2.2....2...3.3..
12...331..131...31
..2.0....2...1.2..
..3.3...3....3.1..
12.1.232..213.1.12
