Copying can be detected when there are {HEAD ~ sufficient similarities} between {TAIL ~ at least portions} of two compiled computer binaries 
Copying can be detected when there are { HEAD ~ sufficient similarities } between { TAIL ~ at least portions } of two compiled computer binaries
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH