Number multiple Cogo Points within a Block

Hi all, I am wondering if there is a way to number multiple cogo points within a single block that will then be replicated hundreds of times across a site? We have used AutoCAD points to cogo points but the cogo point numbers become randomized throughout the project. Ideally, I would like to run a linear regression best line of fit for a set of 9-13 cogo points from a string.

There was a post similar to this just a little while ago! Maybe you could do something like this but swap in some Cogo point nodes.