The data processor also has {TAIL ~ a command processor} for processing commands received from {HEAD ~ the dedicated modules} 
The data processor also has { TAIL ~ a command processor } for processing commands received from { HEAD ~ the dedicated modules }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD