[Avodah] 42 Steps/Stages

[Sholom Simon]

A friend of mine passed on the following question:

==========
I know that the Besht (and also in the Talmud) had the idea that the 42
stops in the wilderness that the Israelites made are equated to 42 stages in
the development of the soul/human life. I have searched everywhere, and
simply cannot find an actual list of these 42 stages. Oh, I can find plenty
of lists of the 42 stops in the wilderness, and references to the Besht's
statement equating them with stages in life (but not the Talmud citation),
and about the connection to the Ana B'Koakh prayer's 42 words, but no more.
Any insights or sources you can suggest?
==========

Thoughts?

-- Sholom