Superseded but helpful:
https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgFAR.nsf/0/B1A0F946DC8BB02A86257996006CB1EA?OpenDocument

Airplanes with tandem seating or single-place airplanes may utilize control locations on the left side of the cabin compartment; however, location order from left to right must be power (thrust) lever, propeller (rpm control), and mixture control.