How to use a floor jack 98 Lumina

Need to check a rear brake tomorrow. I looked around the side of the car and there doesn't appear to be a flat spot for a floor jack. There is an area that looks bent like someone used a floor jack there but not sure it is the right place to lift. I have the factory manuals and they don't point to the locations either.

Jacking instructions. 4--5--6 are at the rear of vehicle. Use proper jackstands to support vehicle while you work on it. Safety is your responsibility. The placement for jackstands is in front of rear tires, as shown in the picture, for working on the rear. Level ground, make sure front wheels can't move.

Well my picture didn't work. I'm using a different browser. My info shows you can use floor jack to lift both rear tires off the ground by placing the jack in the middle of rear, between the two rear tires. You can lift tire on one side by placing the jack in front of that rear tire. You will have to use your own own judgement. Be safe.