Stock rocker shaft oil hole orientation

Remember the Road Runner method. The shafts have slots in the end. The passenger side shaft, the slot in the end goes down and to the rear. Right Rear. Road Runner. Driver's side goes slot down to the front. This puts the holes......regardless of size in the correct orientation. The holes always point to down and to the outside of the center line of the engine.

I knew that. My question mainly was about the oil hole orientation vs the slot position. Basically we figured out that the shafts on the right are for solid lifters, that's why the oil holes are biased towards the intake vs towards the exhaust.