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