
  symbol("sh1")
    dtdby("t",3,11,10)
    etpx("t1",2,5,4)
    etdx("t3",10,8,2)
  layer(poly)
    wirey(10,0,6)
    wirey(10,12,17)
  layer(diffusion)
    wirex(6,8,2)
    wirex(14,8,3)
  layer(diffusion) ; width(1)
    wirex(2,9,1)
    wirex(5,9,1)
  layer(metal) ; width(4)
    wirex(0,0,18)
    wirex(0,22,18)
    dm(4,24)
    pdbn(16,6)
    dm(4,2)
  endsymbol
