solidpen 255 128 128 1
moveto 15 40
lineto 10 40
lineto 10 10
lineto 85 10
*stroommeting
roundrect 15 35 85 45 5 5
solidpen 0 0 0 0
moveto 20 0
lineto 30 20
moveto 40 0
lineto 50 20
moveto 60 0
lineto 70 20
moveto 80 0
lineto 90 20
ellipse 18 -2 22 2
ellipse 38 -2 42 2
ellipse 58 -2 62 2
ellipse 78 -2 82 2
* streepje
moveto 18 20
lineto 22 20
moveto 38 20
lineto 42 20
moveto 58 20
lineto 62 20
moveto 78 20
lineto 82 20
* aansluiting
moveto 20 20
lineto 20 60
moveto 40 20
lineto 40 60
moveto 60 20
lineto 60 60
moveto 80 20
lineto 80 60