%PS%
  % 85 lpi
94.8683  71.5651          %cyan
{abs exch abs 2 copy add 1 gt
  {1 sub dup mul exch 1 sub dup mul add 1 sub}
  {dup mul exch dup mul add 1 exch sub}
  ifelse}
94.8683  18.4349  2 index %magenta
30.      0.       2 index %yellow
84.8528  45.      2 index %black
setcolorscreen
/PE where {pop PE}if