clear()
setSpeed(fast)
setPenColor(black)
repeat(80) {
forward(80)
right(800)
setFillColor(randomColor)
right(45)
forward(100)
right(100)
forward(100)
right(90)
forward(90)
right(100)
hop(90)
right(100)
invisible()
forward(80)
right(90)
repeat(90) {
}
}