wherein {HEAD ~ the plurality} of {TAIL ~ the dummy metals} includes a first dummy metal, a second dummy metal, a third dummy metal, and a fourth dummy metal, 
of
wherein { HEAD ~ the plurality } of { TAIL ~ the dummy metals } includes a first dummy metal , a second dummy metal , a third dummy metal , and a fourth dummy metal ,
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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 OTH OTH