Asymmetry Question To Second Plane Impact and Fire Ball

9/11 Symmetry question.  What happened to the blast to the left?

Second Plane kickback was enormous 

The second Impact, and plane with sweepback wings should have  radiated more outward  like a glass fracture pattern but it seems to be contained on the right side..

Purdue university said its was like a liquid and it should have spread outward symmetrically and exploded symmetrically.. We don't see that result.
The explosion should have been in all directions at least at some point. A wall does not exist down the middle of the tower and core was traversed  by Jan Demczur, a window washer ..

Any resistance should have reflected to left..

We have this giant kickback image. So why does it kick back and not kick left..