% slitherlink 379 by Otto Janko, http://www.janko.at/Raetsel/Slitherlink/379.a.htm
slitherlink
medium
16 12
23.3...2.223.2.3
..202.3222.2.2..
..3..1.3.3..333.
223....1.......1
.21....1.2...2..
....32.13....2.3
...2.1.2.2.223..
223.3.3.2.3...2.
22.3.2...1.0.23.
1....3...1.3...2
.3.22..3..1..23.
.....3....1.2123
