% slitherlink 278 by Hirofumi Fujiwara, http://www.janko.at/Raetsel/Slitherlink/278.a.htm
slitherlink
medium
16 12
...10.3.0...21.3
33..2.21.3.1.0..
.1.3.1....1.1..2
2..1...31.3.1.02
31.0.11.1.1..12.
3..1...1.1..1..0
..2..0....2...1.
1.2....321.321.3
.1..3.0.....0.3.
2..1..1.2.13..12
3..333....3.....
.3..1..0..2..210
