So based on Razz's comments, and his changing of mind, we don't really know what is or isn't an illegal formation. Its really all a matter of trial and error for each of us.
Haha, no! I mean 75% of it is correct, but using/playing with a 4-4-2 diamond wide is 100% legit. Don't need any MC since you already have 1x DMC + 1x AMC (+ the ML/MR at the wings supported by the DL/DR)...