{TAIL ~ A vector register} provides {HEAD ~ the capability} for simultaneously writing through at least two write ports and simultaneous reading from at least two read ports 
{ TAIL ~ A vector register } provides { HEAD ~ the capability } for simultaneously writing through at least two write ports and simultaneous reading from at least two read ports
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH