% slitherlink 712 by Grant Fikes, http://www.janko.at/Raetsel/Slitherlink/712.a.htm
slitherlink
easy+
10 10
......133.
.3.021..2.
.0.1....2.
.3.2...3..
..1....0.1
1.2....3..
..0...1.2.
.2....3.1.
.2..322.3.
.212......
