Numbers 10:5 in the King James Version
When ye blow an alarm, then the camps that lie on the east parts shall go forward.
Context
4 If they blow just one, then the princes, the heads of the thousands of Israel, shall gather themselves to you.
5 When you blow an alarm, the camps that lie on the east side shall go forward.
6 When you blow an alarm the second time, the camps that lie on the south side shall go forward. They shall blow an alarm for their journeys.