{HEAD ~ The coded blocks} of bits corresponding to the CABAC coding of each of these two alternative values, along with the bit location within the CABAC stream, are sent, as metadata, to {TAIL ~ the embedder} 
are sent to
{ HEAD ~ The coded blocks } of bits corresponding to the CABAC coding of each of these two alternative values , along with the bit location within the CABAC stream , are sent , as metadata , to { TAIL ~ the embedder }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL