What does Numbers 17:6 mean?

And Moses spake unto the children of Israel; and all their princes gave him rods, for each prince one, according to their fathers’ houses, even twelve rods: and the rod of Aaron was among their rods.

And Moses spake unto the children of Israel, and every one of their princes gave him a rod apiece, for each prince one, according to their fathers’ houses, even twelve rods: and the rod of Aaron was among their rods.

And Moses spake unto the children of Israel; and all their princes gave him rods, for each prince one, according to their fathers’ houses, even twelve rods: and the rod of Aaron was among their rods.

So Moses gave these orders to the children of Israel, and all their chiefs gave him rods, one for the head of every family, making twelve rods: and Aaron's rod was among them.

And Moses speaketh unto the sons of Israel, and all their princes give unto him one rod for a prince, one rod for a prince, for their fathers' house, twelve rods, and the rod of Aaron <FI>is<Fi> in the midst of their rods;

And Moses spoke to the children of Israel: and all the princes gave him rods one for every tribe: and there were twelve rods besides the rod of Aaron.

And Moses spoke to the children of Israel, and all their princes gave him a staff, one staff for each prince according to their fathers' houses, twelve staves, and the staff of Aaron was among their staves.