This is a valuable contribution to the community.
Greg has two versions at the original site.
https://www.msofficeforums.com/word-...tml#post181652
One creates nine custom styles (the one here) and the other uses the built-in List Number 1-5 styles and four custom styles.

Paul Edstein also posted some useful code on Eileen's Lounge. (December 15, 2024 post)
https://eileenslounge.com/viewtopic....323179#p323179