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