M1T/Post cycle therapy (pct) , whats the best way to do it?

[RoyBatty]

M1T/PCT , whats the best way to do it?

I've heard of cycles between 2-12 weeks? Whats the best? Shorter is better , right? Also whats good for post cycle therapy (pct)? Clomid, 6-oxo? Thanks.........