Numbers Chapter 31, Verse 24

24: And ye shall wash your clothes on the seventh day, and ye shall be clean, and afterward ye shall come into the camp.- edit KJV text
24: And you shall wash your garments the seventh day, and being purified, you shall afterwards enter into the camp.— edit Douay text
24: And on the seventh day ye shall wash your garments, and be clean; and afterwards ye shall come into the camp.— edit LXX text