The Masoretic Text has the reading “behind him” (אַחַר, ’akhar) in verse 13 of chapter 22. On the other hand, a number of Hebrew MSS, the Septuagint (LXX), Syriac (SYR), and Samaritan Pentateuch (SP) have “one” (Heb. אֶחָד, ’ekhad; Gr. εἷς, heis) in verse 13 of chapter 22.