safe = Crop(0, 0, 0, -3)
ConvertToYV24()

base1 = Crop(0, 0, 0, -3)

b1 = Crop(0, Height() - 1, 0, 0).Tweak(cont=1.2)
b2 = Crop(0, Height() - 2, 0, -1).Tweak(cont=1.2)
b3 = Crop(0, Height() - 3, 0, -2)
StackVertical(base1, b3, b2, b1)


ConvertToYV12()
Overlay(last, safe, x=2, y=6)