% slitherlink 150 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/150.a.htm
slitherlink
medium-
18 10
132.1..2023..1.333
...2.11....21.1...
3.2..2..01..1..1.3
.1.33..2..0..02.1.
.1.0..3....1..3.2.
.0.2..0....1..3.1.
.3.01..3..2..23.2.
1.1..1..12..3..1.3
...2.31....23.3...
213.1..1322..2.111
