Thanks John.

It turns out to be rather easy using the no hub connector. I cut the horizontal part which is at 90 degree turn w/ the ptrap orientation.
Putting the no-hub connector allowed me to tilt the ptrap as needed.

I don't use any 22.5. The horizontal line was connected to 45 which connects to the p-trap to form an l-shape to accommodate the shower layout.
Kinda hard to visualize w/ou a drawing