{HEAD ~ The method} includes forming a first interconnect structure having a first interfacial structure and forming {TAIL ~ a second interconnect structure} adjacent to the first structure 
includes forming
{ HEAD ~ The method } includes forming a first interconnect structure having a first interfacial structure and forming { TAIL ~ a second interconnect structure } adjacent to the first structure
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH