Numbers 2:10-16

10“On the south side shall be the standard of the camp of Reuben, by their armies; and Elizur the son of Shedeur shall lead the sons of Reuben,

11and his army as numbered totaled 46,500.

12Those who camp next to Reuben [on the south side] shall be the tribe of Simeon; and Shelumiel the son of Zurishaddai shall lead the sons of Simeon,

13and his army as numbered totaled 59,300.

14Then [completing the south side] the tribe of Gad; and Eliasaph the son of Reuel (Deuel) shall lead the sons of Gad,

15and his army as numbered totaled 45,650.

16The total of the numbered men [in the three tribes on the south side] in the camp of Reuben was 151,450, by their armies. They shall move out second [on the march].