V1: -Elistl, c V1: =Elist1, E2 E2 place=c VI=Elist2 Elist2, array=X ,b,20t1) Elist2. place=tI (+,tl,c,t1 Elist2 dim=2 V1: Elist2 V1: =V2 V2. place= Xo (*tl,4,t2) V2. offset=t2 V1:=E3 E3. place=t3 (=[],ⅹl[t2],,t3) V1 =E3+d V1:=E3+E4 E4. place=d V1:=E5 E5. place=t4 (+t3,d,t4) AV1:=Elist1,c V1:=Elist1,E2 E2.place=c V1:=Elist2 Elist2.array=X (*,b,20,t1) Elist2.place=t1 (+,t1,c,t1) Elist2.dim=2 V1:=Elist2] V1:=V2 V2.place= X0 (*,t1,4,t2) V2.offset=t2 V1:=E3 E3.place=t3 (=[], X0 [t2],_,t3) V1:=E3+d V1:=E3+E4 E4.place=d V1:=E5 E5.place=t4 (+,t3,d,t4) A (:=,t3,_,a)