Ok, first, I'd suggest you use [Self] instead of [Named Brick] or whenever there is Puzzle_WallA.
Second, make sure your Toggleeventenabled event box has the numbers in order, it makes for a more organized event system.
Third, I'd suggest putting [Onactivate] at the beginning of the events, as this has been a fault in some of my past event systems that I didn't even realize.