The interlacing element can store the second filed in {HEAD ~ the gaps} created by {TAIL ~ the skipped storage locations} 
created by
The interlacing element can store the second filed in { HEAD ~ the gaps } created by { TAIL ~ the skipped storage locations }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL