"Original Madi": A Four-Unique Revolving Numbers System

[Proofreaders2000]

*I have been trying variants of
this: Matti1.01, Maddy1

Below is the original formula.

Procedure: Track the four
newest outcomes.  Are they unique?

Flat-bet the four uniques once.  Repeat steps with each
new spin value.  (Newest number in, fifth number out.)

Stop when in profit.

Example: 23,4,9,36 (newest spin-value)

Bet 23,4,9,36 once:    1.) 17(x)

Bet 4,9,36,17 once....

Bankroll suggestion: 144 units
(Vaddi's Bankroll rules)