Ezekiel 46:20-21

20He said to me, “This is the place where the kohanim will boil the guilt offering and the sin offering, where they will bake the grain offering, so they do not bring them into the outer court, to consecrate the people.”

21Then he brought me out to the outer courtyard and led me past the four corners of the courtyard. Behold, in every corner of the courtyard there was another courtyard.