Question about pcie lane reversal

Hi
We need to reversal pcie lane, which connection is right,thank you.

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Only lane0 ~ lane4 can be used for x4 port.

thank you for your reply

lane0 ~ lane4? or lane0 ~lane3?

lane0 ~ lane4 are five lanes

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Typo, should be 0 ~ 3.

So,if i have a pcie lane reversal demand, the connection way below is correct,right?

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@Trumany hi,Trumany, could you answer this question?

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Yes.