Excel 2019 - Freely associating primary and secondary axes to series bypassing default behavior

[PFE]

In Excel 2019, when adding a secondary X axis to a scatter plot graph that already has a secondary Y axis, the series previously associated to the primary X and secondary Y, become associated by default to the secondary X (the association to secondary Y axis remains). The specification of "primary" and "secondary" axis offered in the "Format data series" tab, seems to be insufficient when you need to associate series to secondary AND primary X and Y axes bypassing this default behavior. Is there a way to freely associate series to axes ? Thanks!