This is a 2 numbers bet. --Probe seach for a hot split and when that is found a positive progression is used.

Procedure

Bet the first split that is hit for 9 spins 

(1) IF HIT again within 9 spins 2 straight up numbers are bet on that split for 18 spins
(2) if not hit, bet a new split for 9 spins.

(Repeat procedure)

First tests was played with 25u bets

more spins... (played with 5u bets)

Final stats 7/10 games won