{HEAD ~ The sampled portions} of the analog video signal are provided to {TAIL ~ a multiplexer} and then passed sequentially through the multiplexer 
are provided to
{ HEAD ~ The sampled portions } of the analog video signal are provided to { TAIL ~ a multiplexer } and then passed sequentially through the multiplexer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH