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