3 Spins after a Double

Roulette System: 3 Spins after a Double.

In every 13 spins you will get a Double. (97% of the time)
1/3 of the time it will happen on the 2nd or 3rd spin
after the last Double.

The bet costs only 6 chips per double.(*7 chips if you double the 2nd number bet)
 You win 70 chips back (*if you Recoup as well)

You must have Patience & Self Control.

We hunt for a number to come out twice in 3 spins after the Double.
We want either.
The 1st Number comes out on the 2nd spin after the Double. (1/2). 1 chip bet.
The 1st Number comes out on the 3rd spin after the Double. (1/3). 1 chip bet.
The 1st Number comes out on the 4th spin after the Double. (1/4). 1 chip bet.
The 2nd Number comes out on the 3rd spin after the Double. (2/3). 2 chip bet.
The 2nd Number comes out on the 4th spin after the Double. (2/4). 1 chip bet.
1/2
1/3
1/4
2/3
2/4