Iam looking at data, and want to match one column with the exact match or the closest number within 0.000010000ns(+/-) in the second column, and then place those next to each other in yet another column.

I have tried the following, but it is not picking up the matches

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I am attaching the file if anyone would like to help!
7912test30min.xlsx
Thank you all in advance.
Fletch