% slitherlink 651 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/651.a.htm
slitherlink
easy+
10 10
......1.1.
1.1.......
.3..2.22.2
.2.21.0223
.311..2..2
2.23..0...
2...2..3..
3213.1.1..
2.132.11..
.2220.223.
