solidpen 128 255 255 0
solidbrush 128 255 255
roundrect 0 0 40 80 20 20
solidpen 0 0 0 0
solidbrush 255 255 255
moveto 5 40
lineto 10 40
moveto 30 40
lineto 35 40
* verticale
moveto 10 20
lineto 10 60
moveto 30 20
lineto 30 60
* bovenste scr
moveto 10 24
lineto   30 34
lineto   10 44
lineto   10 24
*onderste 
moveto 30 36
lineto 10 46
lineto 30 56
lineto 30 36
*
aansluiting
ellipse 15 70 25 80
moveto 17 75
lineto 23 75
moveto 20 72
lineto 20 78
rectangle -10 65 10 85
*klok
ellipse  -8 67 8 83
moveto 0 75
lineto 0 68
moveto 0 75 
lineto 3 72
moveto 10 75
lineto 15 75
moveto 20 70
lineto 20 50
* uitgang
label 30 -10 α
moveto 18 -10
lineto 20 -20
lineto 22 -10