Bright and early the next morning Joshua and the Israelites left Shittim and came to the Jordan. ¹  They camped there before crossing the river. ² 

So when the people left their tents to cross the Jordan, the priests carrying the ark of the covenant went ¹  ahead of them.

So the Israelites set out and on the third day arrived at their cities – Gibeon, Kephirah, Beeroth, and Kiriath Jearim.

and commanded the people: “When you see the ark of the covenant of the Lord your God ¹  being carried by the Levitical priests, you must leave here ²  and walk ³  behind it.