What does Deuteronomy 11:6 mean?

and what he did unto Dathan and Abiram, the sons of Eliab, the son of Reuben; how the earth opened its mouth, and swallowed them up, and their households, and their tents, and every living thing that followed them, in the midst of all Israel:

And what he did unto Dathan and Abiram, the sons of Eliab, the son of Reuben: how the earth opened her mouth, and swallowed them up, and their households, and their tents, and all the substance that was in their possession, in the midst of all Israel:

and what he did unto Dathan and Abiram, the sons of Eliab, the son of Reuben; how the earth opened its mouth, and swallowed them up, and their households, and their tents, and every living thing that followed them, in the midst of all Israel:

And what he did to Dathan and Abiram, the sons of Eliab, the son of Reuben; when they went down into the open mouth of the earth, with their families and their tents and every living thing which was theirs, before the eyes of all Israel:

and that which He hath done to Dathan, and to Abiram, sons of Eliab, sons of Reuben, when the earth hath opened her mouth and swalloweth them, and their houses, and their tents, and all that liveth, which is at their feet, in the midst of all Israel:

And to Dathan and Abiron the sons of Eliab, who was the son of Ruben: whom the earth, opening her mouth swallowed up with their households and tents, and all their substance, which they had in the midst of Israel.

and what he did unto Dathan and Abiram, the sons of Eliab, the son of Reuben, — how the earth opened its mouth, and swallowed them up, with their households, and their tents, and all the living substance that belonged to them, in the midst of all Israel.