% slitherlink 120 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/120.a.htm
slitherlink
medium-
10 10
3.3.11.1.3
.2.2..1.3.
3........1
.3.3.20.3.
2..2.....3
3.....3..3
.2.32.2.0.
3........1
.3.2..3.3.
2.2.31.3.1
