Pre-Contest Diets: Carb Techniques

I have done both for different shows. I am not sure on which I prefer.

What do you prefer?

Carb cycling?

Low carb keto?

Other?

Why?

Thanks

What do you prefer?
-Low carb keto

Carb cycling?
Makes me retain some water in low back area

Low carb keto?
Preferred

Other?
Haven’t tried carb cyling

Why?
Basically No hunger

Thanks