Ezra Chapter 6, Verse 18

18: And they set the priests in their divisions, and the Levites in their courses, for the service of God, which is at Jerusalem; as it is written in the book of Moses.- edit KJV text
18: And they set the priests in their divisions, and the Levites in their courses over the works of God in Jerusalem, as it is written in the book of Moses.— edit Douay text
18: And they set the priests in their divisions, and the Levites in their separate orders, for the services of God in Jerusalem, according to the writing of the book of Moses— edit LXX text