% slitherlink 117 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/117.a.htm
slitherlink
medium-
10 10
.3.3..33.3
2.1.....2.
.33..0.1.1
0...1.1..2
.1.2..3...
...3..2.1.
2..3.3...1
0.1.1..12.
.2.....2.3
3.20..3.3.
