Reply To: Listing walks comment Welcome to Dartmoor Geocaching › Forums › General Geocaching Topics › Listing walks comment › Reply To: Listing walks comment April 25, 2014 at 11:54 am #2986 JaughanParticipant It’s to do with the numerical bit of alphanumerical challenges, Dave. The ultimate being GC4ABP3 which has the requirement for each number to come from separate series.
