Similar block search means determines {HEAD ~ a best match} between {TAIL ~ the first picture block} and one of the plurality of transformed block pictures by determining the minimum error therebetween 
between
Similar block search means determines { HEAD ~ a best match } between { TAIL ~ the first picture block } and one of the plurality of transformed block pictures by determining the minimum error therebetween
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH