clear()
cleari()
setPenColor(red)
setPenThickness(10)
setSpeed(fast)
right(20)
forward(100)
right(140)
forward(100)
right(140)
forward(100)
right(140)
forward(100)
right(150)
forward(90)
setBackgroundH(white, black)
hop(80)
circle(50)
hop(80)
hop(80)
repeat(4) {
right(90)
forward(100)
}