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