c = circle(r=100,x=0,y=0) c1=circle(r=50,x=100,y=0) c2=circle(r=50,x=-100,y=0) c3=circle(r=50,x=0,y=100) c4=circle(r=50,x=0,y=-100) c5=circle(r=50,x=70,y=65) c6=circle(r=50,x=-70,y=65) c7=circle(r=50,x=70,y=-65) c8=circle(r=50,x=-70,y=-65) c9=circle(r=50,x=0,y=0,fill="yellow") c10=circle(r=25,x=0,y=0,fill="red") show(c,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10)