Select Surfaces Within closed curves

I am trying to select surfaces that fall within a closed curve. There are multiple curves, so I assume that those curves will create the list.

Then, I would like to organize the surfaces in the list properly, from 1 direction (X or Y)

I hope you can help and thank you in advance.

IB-Otest.3dm (424.8 KB)

There must be a better way, but it works: sort (85.7 KB)

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