{HEAD ~ The receipt} and processing of {TAIL ~ the communication packet} may be acknowledged by the central controller to computer  
of
{ HEAD ~ The receipt } and processing of { TAIL ~ the communication packet } may be acknowledged by the central controller to computer
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH