When you sound the short blasts a second time, the camps that lie on the south side are to set out. The blasts are to signal them to set out.
Then the divisions of the camp of Reuben set out under their standard, with Elizur son of Shedeur in command.
On the south side, the divisions of Reuben are to camp under their standard: The leader of the Reubenites is Elizur son