Select slices of transform spreads

I have 2 spreads of 40 transforms.
I want to create one spread of 40 transforms out of these 2.
Being able to select for each slice if I use transform from spread 0 or 1.
I’m bugging…
Any idea ?
Thank you

something like this?

TransformSpread.v4p (11.8 kB)

perfect !
thank you