clear()
setFillColor(blue)
forward(50)
right()
forward(50)
left()
forward(50)
right()
forward(50)
right()
forward(50)
left()
forward(50)
right()
forward(50)
right()
forward(50)
left()
forward(50)
right()
forward(50)
right()
forward(50)
left()
forward(50)
right()