% slitherlink 43 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/043.a.htm
slitherlink
hard-
8 8
0....1.2
...2.2.2
.12.....
2.....12
131.2.12
...3131.
2.....2.
22.113..
