{HEAD ~ A second region} includes second metallic layers and {TAIL ~ vias} provided within the second laminate 
includes
{ HEAD ~ A second region } includes second metallic layers and { TAIL ~ vias } provided within the second laminate
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH