יחזקאל מב:ג פירוש: רש״י

Opposite the twenty of the Inner Court All this is [meant as] an indication of the location of the chambers [that were] beside the twenty [cubit] wide space of the Inner Court surrounding the House, as it is stated above (41:10): “And between the chambers was a [space] twenty cubits wide.”

and opposite the balcony of the Outer Court For [as] we stated above, the Court was encompassed by a surrounding balcony.

a pillar opposite a pillar [Heb. אַתִּיק,] I do not know what this is.