{HEAD ~ The digital image information} contained in {TAIL ~ each group} is partitioned in units of a second predetermined value smaller than the first predetermined value 
contained in
{ HEAD ~ The digital image information } contained in { TAIL ~ each group } is partitioned in units of a second predetermined value smaller than the first predetermined value
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH