% slitherlink 772 by Palmer Mebane, http://www.janko.at/Raetsel/Slitherlink/772.a.htm
slitherlink
medium-
10 10
.323.122.1
21..2...1.
2..1.2.1.2
1.11.31..3
.2..1.23.2
3.32.2..1.
2..23.31.3
1.1.2.1..1
.3...3..12
2.132.223.
