Intex Pool legs on foam

I see people in past post have put foam down, taped together, then put the tarp on top of the foam and then installed the pool.

1.) Can you just set the legs on the foam or will the legs crush into or through the foam? I am using the XPS foam board 1" thick.
or
Is it better to find where the legs are going and cut out the foam and put pavers down for the legs to be directly on those?

2.) If you do need to cut out the foam, how do you know where the legs go, do you partially setup the...

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