Autoflowering question

I'm about to purchase a 32''x32''x63'' grow tent, which i believe should be large enough for 5 plants. (correct?) I was thinking of planting 2 feminized white rhino's, and 3 feminized autoflowering Diavolo's (45 days give or take). My question is, if i plant all of them at the same time, and keep them all under 2 125w fluoro's for 3 weeks (24hr light), then switch them over to a bloom cycle afterwards (which appropriate lights), can i still get a decent yield from the Diavolo's considering i'm growing them in the beginning cycle of the Rhino's? Sorry if it's confusing, i just wanted to know if i could pull it off.

Thanks!

Autos are pants with less than 18 hrs. 20 hrs is definitely preferred even so I will say no my friend. I have grown dozens of auto strains, I don't imagine they will be great under cfl. Can't you give them a little help from the sun?

check this out for example..