%! PS 100 100 moveto 0 50 rlineto 50 0 rlineto 0 -50 rlineto closepath .7 setgray fill% first box over; next 160 100 moveto 0 60 rlineto 45 10 rlineto 0 -40 rlineto closepath .2 setgray fill
%! PS 100 100 moveto 0 50 rlineto 50 0 rlineto 0 - 50 rlineto closepath. 7 setgray fill% first box over; next 160 100 moveto 0 60 rlineto 45 10 rlineto 0 - 40 rlineto closepath. 2 setgray fill