clear()
setSpeed(fast)
setBackgroundH(red, blue)
setPenColor(black)
setBackgroundV(orange, yellow)
circle(180)
circle(160)
circle(140)
circle(120)
circle(100)
circle(80)
circle(60)
circle(40)
right(90)
right(90)
circle(180)
circle(160)
circle(140)
circle(120)
circle(100)
circle(80)
circle(60)
circle(40)