{TAIL ~ The new value} is received during execution of the computer program by {HEAD ~ a processor unit} 
{ TAIL ~ The new value } is received during execution of the computer program by { HEAD ~ a processor unit }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD