wherein the second representation of the image sequence comprises a fragment header indicating {HEAD ~ the block} of {TAIL ~ information} of the first segment of the plurality of segments interlaced with the blocks of information of the second segment of the plurality of segments 
wherein the second representation of the image sequence comprises a fragment header indicating { HEAD ~ the block } of { TAIL ~ information } of the first segment of the plurality of segments interlaced with the blocks of information of the second segment of the plurality of segments
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH