Hidden Gap`s VSA Volume

If Volume is less then the previous 20 intervals, Volume is gray.
If Volume is greater then the previous 40 intervals, Volume is black.
If Volume is less then the previous 2 intervals, Volume is purple.
If Volume is less then the previous, Volume is red.
If Volume is greater then the previous, Volume is blue.
Other - white.
You can add on the indicator a 2.5 Standart Deviation of a 20 period
Bollinger Band Shifted 3 periods forward.