clear()
setSpeed(fast)
setBackground(blue)
setFillColor(yellow)
circle(100)
right(180)
hop(300)
right()
hop(200)
setFillColor(black)
setPenColor(white)
right()
forward(100)
right()
forward(100)
right()
forward(100)
right()
forward(100)
right()
forward(50)
right()
forward(100)
right()
forward(50)
right()
forward(100)
right()
forward(100)
right()
forward(50)
right()
forward(100)
invisible()