rectangle 0 10 80 90
moveto 0 90
lineto 80 10
moveto 40 90
lineto 40 100
solidpen 255 255 0 3
moveto -20 99 
lineto 100 99
solidpen 0 255 0 2
moveto -20 101
lineto 100 101
label 20 40 ~
label 60 60 =