Chess “5040”?

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JimUrban2718
If the eight pieces were to be randomly placed on the back rank without the Chess960 restrictions, there would be 5040 possible opening positions. These include positions where one side has two light square bishops while the other has two dark square bishops, as well as positions where the king is not in between the two rooks.

Has anybody played such a variant, either online or OTB? And would any of these extra opening positions give a decisive advantage to one side?
BoilingCable

i found it here https://www.youtube.com/channel/UCiDseOJkgDnLviEYwSVkQvQ