although in AutoGem settings it is setted a max aspect ratio of the elements of 10, where there are bricks and wedges this rule is not observed.
You can see the image below. (Creo 2)
The question is simple: why?
The ratio of the elements is more than 10.
There are elements too long in height in respect the base
here is the model
I've used a set of points to enable the separation.