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