clear
setPenColor(blue)
setFillColor(red)
setBackgroundH(yellow,pink)
forward(100)
right(90)
forward(100)
right(90)
forward(100)
left(90)
forward(100)
right(90)
forward(100)
right(90)
forward(100)
left(90)
forward(100)
right(90)
forward(100)
right(90)
forward(100)
left(90)
forward(100)
right(90)
forward(100)
right(90)
forward(100)