wherein the third dummy metal and {HEAD ~ the fourth dummy metal} are formed at {TAIL ~ a nearest location} among the plurality of the dummy metals in a plan view, 
formed at
wherein the third dummy metal and { HEAD ~ the fourth dummy metal } are formed at { TAIL ~ a nearest location } among the plurality of the dummy metals in a plan view ,
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH