clear()
showAxes()
setPenColor(blue)
setPenThickness(10)
setFillColor(yellow)
showAxes()
repeat(4) {
forward(100)
right(60)
forward(100)
right(60)
forward(100)
right(60)
forward(100)
right(60)
forward(100)
right(60)
forward(100)
right(60)
right(90)
}