{HEAD ~ The various embodiments} include {TAIL ~ first layers} that are relatively thick which are interleaved with second layers that are relatively thin as compared to the first layers 
include
{ HEAD ~ The various embodiments } include { TAIL ~ first layers } that are relatively thick which are interleaved with second layers that are relatively thin as compared to the first layers
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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