But when the people of the land shall come before the LORD in the solemn feasts, he that enters in by the way of the north gate to worship shall go out by the way of the south gate; and he that enters by the way of the south gate shall go out by the way of the north gate: he shall not return by the way of the gate by which he came in, but shall go out opposite it.
Read Chapter 46
George Leo Haydock
It, perhaps to avoid confusion, (Menochius) and turning the back on the temple, (Calmet) or to exercise their obedience. As many might enter by one gate as by another, and thus the concourse would not be diminished. (Haydock)