Put VoT on the top. Reasons explained in the threads below (try to read all the posts, especially where _OM refers to personal discernment ;)
Just a personal warning: if you don’t have previous experience with Soul/Core and VoC, use them with moderation. When I first had them, I quickly started looping them like a frenzy… and regretted it (because 
). But this is just me.
Briefly said: experiment.