{HEAD ~ The computer readable medium} also comprises {TAIL ~ code} for analyzing the secondary PAN, code for analyzing the primary PAN, and code for sending an authorization response message, wherein the authorization response message indicates approval or disapproval of the transaction 
comprises
{ HEAD ~ The computer readable medium } also comprises { TAIL ~ code } for analyzing the secondary PAN , code for analyzing the primary PAN , and code for sending an authorization response message , wherein the authorization response message indicates approval or disapproval of the transaction
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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 OTH OTH OTH OTH OTH OTH OTH