70 b body exhaust hanger question

Anyone have a picture of the correct orientation the hanger installs into these boxes?

The two hangers in the bottom picture are not the ones that are used with the one in the upper picture.The "box" one mounts to the floorboard to hold the rear of the muffler and front end of the tailpipe.It uses a different strap and hanger.The other two mount at the rear of the frame rails to hold the rear end of the tailpipes.

I took my rear hangers off and I still don't see how these hangers would bolt to where the stock ones were. Anyone have a picture of them in use?