Essay к Бамидбар 2:36

Chap. 2 lays out a schematic diagram of the Israelite camp prepared for the desert march. The “Dwelling” naturally stands at the center, with four groups of three tribes each surrounding the structure on the outside, and three groupings of Levite clans guarding the inside of the rectangular sanctuary. Geographical pride of place, the eastern side, goes to the tribe of Yehuda (Judah) and two other tribes tracing their ancestry to sons of Lea (outside track), while Moshe and Aharon and their sons occupy the inside track.