With the ladder staking , the idea is to win approx half the odds back to get in front as opposed to level stakes which has to win 100% of the odds to outlay, just to break even.
As stated . If a winner gets up but does not put us in front , we just keep going up the ladder, this has the affect of crushing the odds to our favour on the winners .
You will notice the last digit of each pair equates to the odds needed to break even on the sequence, interestingly enough.
e.g.112233445566778899,10,10,11,11,12,12=156
Run of 24 , one would need combined odds of 23/1 just to break even ,at level stakes . But with this staking plan , one would need odds of 12/1 to break even. thats a big difference.

Check it out on paper first, to see how the figures fall.

Cheers.

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Cheers.