Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

1 Chronicles 28:21

And see, [here are] the courses of the priests and Levites for all the service of the house of the Lord, and [there shall be] with thee [men] for every workmanship, and every one of ready skill in every art: also the chief men and all the people, [ready] for all thy commands.

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