% slitherlink 697 by Grant Fikes, http://www.janko.at/Raetsel/Slitherlink/697.a.htm
slitherlink
hard-
24 14
.2....1...2220...2.2....
.3223.2111...2.2.3.1211.
1...3....1.3.2.2.1....2.
2.1.2.02.1.1.2...1112.1.
2.2.3....2...2322...1.2.
1...2122.0111...2.3.2.20
1303...2........1.3.2...
...2.2.1........1...2111
31.0.2.1...1123.1111...2
.1.2...2222...3....2.2.3
.1.2112...2.1.3.33.0.1.3
.1....1.1.2.1.3....1...3
.2121.2.3.2...2220.2133.
....2.1...2213...1....1.
