a = rectangle(w=200, h=200, fill = "black", stroke_width = 0) | repeat(9, rotate(10)) b= rectangle(w=180, h=180, fill = "red", stroke_width = 0) | repeat(9, rotate(10)) c = rectangle(w=160, h=160, fill = "yellow", stroke_width = 0) | repeat(9, rotate(10)) d= circle(r=70,fill="white") show(a,b,c,d)