s1 = ellipse(fill='orange',x=75, y=0, w=150, h=75,stroke="none") s2 = ellipse(fill='orange',x=0, y=75, w=75, h=150,stroke="none") s3 = ellipse(fill='orange',x=-75, y=0, w=150, h=75,stroke="none") s4 = ellipse(fill='orange',x=0, y=-75, w=75, h=150,stroke="none") show(s1,s2,s3,s4)