{HEAD ~ The pictures} in an EP—EP segment are decoded by decoding and storing {TAIL ~ the clean reference picture} immediately preceding the EP to EP segment in the forward order 
are decoded by decoding
{ HEAD ~ The pictures } in an EP — EP segment are decoded by decoding and storing { TAIL ~ the clean reference picture } immediately preceding the EP to EP segment in the forward order
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH