roundrect 0 0 100 40 10 10
*
moveto 20 -20
lineto 20 10
moveto 20 60
lineto 20 30
ellipse 18 8 22 12
ellipse 18 28 22 32
*
moveto 40 -20
lineto 40 10
moveto 40 60
lineto 40 30
ellipse 38 8 42 12
ellipse 38 28 42 32
*
moveto 60 -20
lineto 60 10
moveto 60 60
lineto 60 30
ellipse 58 8 62 12
ellipse 58 28 62 32
*
moveto 80 -20
lineto 80 10
moveto 80 60
lineto 80 30
ellipse 78 8 82 12
ellipse 78 28 82 32