how to put rectangle in the center of a table cell?

I

ILiya

This is rephrase of my previous post. I cannot seem to put rectangle just in
the center of a cell. the cell is formatted so the text is vertically
centered in it. When I put the rectangle onto the cell, the text is
displayed above the rectangle just as if the cell text vertical alignement
was set to top not to the centere.

Thanks
 
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