What does Numbers 19:9 mean?

And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place; and it shall be kept for the congregation of the children of Israel for a water for impurity: it is a sin-offering.

And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place, and it shall be kept for the congregation of the children of Israel for a water of separation: it is a purification for sin.

And a man that is clean shall gather up the ashes of the heifer, and lay them up without the camp in a clean place; and it shall be kept for the congregation of the children of Israel for a water for impurity: it is a sin-offering.

Then let a man who is clean take the dust of the burned cow and put it outside the tent-circle in a clean place, where it is to be kept for the children of Israel and used in making the water which takes away what is unclean: it is a sin-offering.

`And a clean man hath gathered the ashes of the cow, and hath placed at the outside of the camp, in a clean place, and it hath become to the company of the sons of Israel a charge for waters of separation--it <FI>is<Fi> a <FI>cleansing<Fi> ;

And a man that is clean shall gather up the ashes of the cow, and shall pour them forth without the camp in a most clean place, that they may be reserved for the multitude of the children of Israel, and for a water of aspersion: because the cow was burnt for sin.

And a clean man shall gather the ashes of the heifer, and deposit them outside the camp in a clean place, and it shall be kept for the assembly of the children of Israel for a water of separation: it is a purification for sin.