Using multiple collections on one page.

I have three collections TRIP, CATCH, EFFORT.
I am trying to have them all on one page as three separate tabular forms.
Do I understand this correctly, regardless of how many collections on a page, I can only use a total of 50 columns.
So, TRIP can reference c001...c030
EFFORT c031..c040
CATCH c041...c050

I have three collections TRIP, CATCH, EFFORT.
I am trying to have them all on one page as three separate tabular forms.
Do I understand this correctly, regardless of how many collections on a page, I can only use a total of 50 columns.
So, TRIP can reference c001...c030
EFFORT c031..c040
CATCH c041...c050

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