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

Joshua 21:27

And [Joshua gave] to the sons of Gedson the Levites out of the other half tribe of Manasse cities set apart for the slayers, Gaulon in the country of Basan, and its suburbs; and Bosora and its suburbs; two cities.

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