% slitherlink 59 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/059.a.htm
slitherlink
hard
9 9
22..2....
..22.2222
222......
..22.2222
222222...
2.2.2222.
..222.22.
2222222.2
222222222
