I own some (two) challenge caches where the cacher has to prove, that he found caches in a sequence of counties (of germany) that touches each other.
One challenge (Nord-Süd-Gefälle GC51VQV) needs to find Caches in continuously counties from north (Danmark) to south (Austria od Switzerland, the other (Ost-West-Verhandlungen GC51VQW) needs the show founds in a continuously row of counties from east (Poland or Czech) to west (netherland, France, Belgium oer Luxembourg).
Ok, the maps works fine, but is there a possibility to prove the condition with a checker???
Thanks for hInts and tips...
Greetings from Halstenbek/Hamburg/Germany