cleari()
setFillColor(red)
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)