clear()
showAxes()
showGrid()
setPenColor(orange)
circle(100)
setFillColor(green)
circle(100)
setBackgroundH(blue,pink)
right(90)
circle(100)
setFillColor(pink)
right(90)
circle(100)
setFillColor(yellow)
right(90)
circle(100)
setFillColor(red)