c=circle(r=100,fill="green",stroke="yellow",stroke_width= 10) show(c) c1=ellipse(w=80,h=200,fill="red",stroke="red")|repeat(4,rotate(45)) show (c1) c2=circle(r=60,fill="green",stroke="red") show(c2) c3=circle(r=50, fill="red", stroke="green") show(c3) c4=circle(r=40,fill="green",stroke="red") show(c4) c5=circle(r=25,fill="yellow",stroke="yellow") show(c5) c6=circle(r=10,fill="red",stroke="red") show(c6)