This means applying the ATILA progression, raising an element with a condition other than a simple loss.

It could be two losses. It could be 3 or more losses.

It could be rising after a lost cycle.

As long as you don't raise after every single lost spin, it's a delayed ATILA.

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For instance, if you were to use the ATILA on two columns/dozens, you would raise your betting line:

1 1

If you miss a hit in a full cycle (3 spins for dozens):

2 1

Then shall you miss another cycle:

2 2

And so on. As long as you don't raise every spin, you are using the delayed version of the ATILA progression.