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

Judges 20:26

And the children of Israel and all the people went up, and came to Bæthel; and they wept, and sat there before the Lord; and they fasted on that day until evening, and offered whole-burnt-offerings and perfect sacrifices, before the Lord,

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