receive, responsive to causing {HEAD ~ the third command} to be transmitted, backscattered from {TAIL ~ the tag} a combination made from at least portions of the first code and the response without causing any commands to be transmitted while the combination is being backscattered 
receive , responsive to causing { HEAD ~ the third command } to be transmitted , backscattered from { TAIL ~ the tag } a combination made from at least portions of the first code and the response without causing any commands to be transmitted while the combination is being backscattered
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH