Substantial portions of {HEAD ~ the method} of {TAIL ~ the invention} are typically implemented on a computer system running a computer program product 
of
Substantial portions of { HEAD ~ the method } of { TAIL ~ the invention } are typically implemented on a computer system running a computer program product
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH