Wall treatments “Asymmetrical”?

The only way to find out is to try it. Go easy, step by step.  Have you measured your room? Do you have nodes you need bass traps for? Do you have less than precise imaging that your Wilsons can do for sure?   Are they less than a couple feet from hard surfaces?  Is your room brighter than you would like?

It depends. 

Thank you for the quick reply and things to consider. 
 

Assuming you mean more than tape measure measurements, how would I best go about measuring my room?

my system sounds really good, not harsh I have a record storage bookshelf about 18” behind speakers the bookshelf is against the front wall

im new to this level of consideration for my listening space but want to maximize my enjoyment. Is there a good read on this or acoustic panel company that can guide me?

"Sound Reproduction" by Floyd E Toole on Amazon for $23 in paperback. It will be the best $23 you ever spend. It should be mandatory reading for all audiophiles, especially those who are dealing with speaker set up. Too much of the stuff you will read here is either uninformed or presented to stimulate commerce.