Numbers 3:39 WEB

³⁷  the pillars of the court around it, their sockets, their pins, and their cords.

³⁸  Those who encamp before the tabernacle eastward, in front of the Tent of Meeting toward the sunrise, shall be Moses, and Aaron and his sons, keeping the charge of the sanctuary for the charge of the children of Israel. The stranger who comes near shall be put to death.

³⁹  All who were numbered of the Levites, whom Moses and Aaron numbered at the commandment of Yahweh, by their families, all the males from a month old and upward, were twenty-two thousand.

⁴⁰  Yahweh said to Moses, 'Number all the firstborn males of the children of Israel from a month old and upward, and take the number of their names.

⁴¹  You shall take the Levites for me (I am Yahweh) instead of all the firstborn among the children of Israel; and the cattle of the Levites instead of all the firstborn among the cattle of the children of Israel.'