[texhax] columns, tables, margins?

[Edward]

Dear all,
I've spent nearly the entire day looking for a solution to this problem in
vain. Not being a TeX expert, I pray someone here may help. I'm (seemingly
simply) looking for a way to create a table with two columns whose widths
will adjust according to even or odd page numbering. That is, I'm looking to
set "inner" and "outter" widths to a table rather than left or right.
tabular and multicol don't seem to do this. I've been spinning my wheels
trying to adjust margin widths while using marginpar, but to no avail (I
only need 2 columns). The nature of the document is that a great majority of
the text must exist within such tables (using identical column widths),
except I must also be able to enter text outside such tables assuming
normal page dimensions. If this makes sense, can someone please at least
point me in the right direction?  Any and all help appreciated! Thank you in
advance!
Edward
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