//10//> val res0: Int = 10
//10*1.4
10*1.4*1.4
10*1.4*1.4*1.4
10*1.4*1.4*1.4*1.4
10*1.4*1.4*1.4*1.4*1.4
cleari()
setSpeed(fast)
setBackground(blue)
setPenColor(magenta)
setPenThickness(10)
forward(20)
setPenThickness(14)
forward(20)
setPenThickness(19.5)
forward(20)
setPenThickness(27.4)
forward(20)
setPenThickness(38.4)
forward(20)
setPenThickness(53.7)