{HEAD ~ The respective loci} of the matched map objects are processed to determine {TAIL ~ the requested map location} 
are processed to determine
{ HEAD ~ The respective loci } of the matched map objects are processed to determine { TAIL ~ the requested map location }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL