Center form control (check box) within table cell in Calc?

Hi there, I have inserted some “check box” form controls into cells within a Calc table, and I want to center them horizontally and vertically… is there any way to do this without manually dragging each check box to the centre of each cell? The result is a little tedious to create and looks a little sloppy/unprofessional.
I’ve tried anchoring them “to cell (resize with cell)”, however there doesn’t seem to be any option to align them anywhere.

Thanks for the help.

In the “Form Controls” toolbar, choose the “Select” symbol.
You can now move the check boxes with the arrow keys. You can achieve a finer movement with Alt + Arrow keys.

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With me Windows 10 Home 1903, 64-Bit | LibreOffice (x64).

This is useful information.

I realize I’m late to the discussion. I’d like to point out that the solution enabled me to move all of the checkboxes at the same time. It did not center them horizontally and vertically like the question asked.