Is there a trick/algorithm to achieve all
this? I have put together several but 1, 2, 3
don't come automatically for me

It should be 2-4 that don't come automatically.
Getting the long pin of the spring into the
middle bass hole is actually quite easy

Here is a printable A4 "poster" pic for
V-brakes:

http://user.it.uu.se/~embe8573/bike/...-poster-gs.jpg

http://user.it.uu.se/~embe8573/bike/...-a4-poster.jpg

I wrote a zsh program [1] to produce such
graphics from singular imgs, and God willing
I will do a couple more from other aspects of
bike mechanics!

[1] http://user.it.uu.se/~embe8573/conf/.zsh/gfx

--
underground experts united
http://user.it.uu.se/~embe8573