Code
c1 = circle(r=10)
c2 = circle(r=20)
c3 = circle(r=30)
c4 = circle(r=50)
c5 = circle(r=100)
c6 = circle(r=140)
c7 = circle(r=150)
c8 = circle(r=155)
show(c1,c2,c3,c4,c5,c6,c7,c8)
c1 = circle(r=155, fill="red", stroke="none")
c2 = circle(r=150, fill="green", stroke="none")
c3 = circle(r=140, fill="yellow", stroke="none")
c4 = circle(r=100, fill="violet", stroke="none")
c5 = circle(r=50, fill="orange", stroke="none")
c6 = circle(r=30, fill="white", stroke="none")
c7 = circle(r=20, fill="rose", stroke="none")
c8 = circle(r=10, fill="purple", stroke="none")
show(c1, c2, c3, c4, c5, c6, c7, c8)
s1 = circle(x=50, y=0, r= 50)+circle(x=75, y=0, r=25)
s2 = s1| rotate(90)
s3 = s1|rotate(180)
s4 = s1|rotate(270)
show(s1, s2, s3, s4)
