% slitherlink 107 by Oleg Andrushko, http://www.janko.at/Raetsel/Slitherlink/107.a.htm
slitherlink
medium
10 10
.221..1.11
13..2.2.2.
221.1...22
.1.1...22.
1.1...2131
.22.2.1.1.
.2.2.123.2
.2...1...2
.3.1.3.11.
2.12...32.
