One side of hair not curling as well as the other?

So my hair is a 3A texture on the right and a 2B texture on the right- how do i get the left side of my hair to match up with the right? (PS - its been like this for as long as i can remember, so its not me changing anything up with my hair recently/ heat damage bc I hardly ever use heat on my hair, maybe once or twice a year, and then I use heat protectant).

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