A first dedicated module of {HEAD ~ the plurality} of {TAIL ~ dedicated modules} receives the data portion based on the content of data portion 
A first dedicated module of { HEAD ~ the plurality } of { TAIL ~ dedicated modules } receives the data portion based on the content of data portion
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH