To access {HEAD ~ the computer software} with the second computer system, the second computer system transmits {TAIL ~ a request} for the software to the first computer system 
To access { HEAD ~ the computer software } with the second computer system , the second computer system transmits { TAIL ~ a request } for the software to the first computer system
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH