For the diminishing lift sequence, I just do this: after turning the triple FD, I just take the top "10S" and hold it between my right index finger and thumb. The remaining 3 fingers are used to turn the double FU, then face down. The second "10S" is taken under the first "10S" in the right hand between the right index finger and thumb. And so on.
(For a more detailed description, please see pg 72 of "Paper Engine" by Aaron Fisher)
Hope that helps!