% slitherlink 55 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/055.a.htm
slitherlink
hard-
9 9
....1.210
31223...2
.......1.
..1..0...
1.2..2..0
22...0..1
3..1.....
1.12.21.2
..2..2.3.
