{HEAD ~ A contiguous mapping element} can generate address locations so that the packet signals associated with one of {TAIL ~ the video data sources} are stored in contiguous address locations 
{ HEAD ~ A contiguous mapping element } can generate address locations so that the packet signals associated with one of { TAIL ~ the video data sources } are stored in contiguous address locations
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH