Numbers 10:6

A Conservative Version

And when ye blow an alarm the second time, the camps that lie on the south side shall take their journey. They shall blow an alarm for their journeys.

Cross References

Numbers 10:18

And the standard of the camp of Reuben set forward according to their armies, and over his army was Elizur the son of Shedeur.

Numbers 10:7

But when the assembly is to be gathered together, ye shall blow, but ye shall not sound an alarm.