יחזקאל מח:י פירוש: רש״י

And these shall be the offering of the Sanctuary for the priests [Heb. וּלְאַלָה.] And these 10,000 in width and 25,000 in length shall be for the priests in the north in the midst of the strips of the great offering alongside the south of Judah.

to the north 25,000 That is the length from east to west.

and to the west the width is 10,000 The western border is 10,000 wide from north to south.