Super Fire ants- they're everywhere! What can I do?

I have fire ants all over my yard. I got a huge nest that dug in on the side of my cement patio. I have used everything, fire ant granules, pour gas on them and burned, I even poured an entire 2 gal jug of bleach on them. What happened each time. They just slowly moved to a new spot down the patio and built a new mound. By the time I tried everything they were on the other side of the patio. This year they're everywhere in my yard. Once again nothing is killing them. I would have to use a tubs worth of boiling water so that won't work. Any ideas. I live in Georgia so the ground is clay.
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