I know how to use the arrow to get back to the posts, but I’m not sure how accurate the numbering system is – it seems to vary by one number, depending on where I place my cursor. So I will simply reproduce the two relevant posts, that capture the last state of our discussion.
Here is the first post you should look at:
And here is the second post you should look at:
Let me know your answer, and then we’ll see if we have cleared up the confusion and reached agreement on at least one subsidiary point.