5 Interferograms - what is the next step?

I would like to share results but there is one problem - when I am trying to do tha Band maths, I can only work with 1st and 2nd interferograms together and with 3rd, 4th and 5th together. Do you know why could that be?
I believe that the creating process was the same for them all.

OK I have probably managed to find the reason, it seems that from some reason the height and width differs but it is strange since from what I recall I was using the same parameters. I will try to crop them to same size.