.PS .ps 20 ## figure E-10 B1: box "TP0" B2: box "8881" with .n at B1.s B3: box "8802" with .n at B2.s ## S1: box with .nw at (B2.ne.x+linewid/2, B2.ne.y) \ height B2.ne.y-B3.se.y width boxwid/6 shaded move to S1.e; "\ CONS" ljust ## .PE