To M. gm's super close image" to 3D image And there are multiple ring-groups at near symmetrical spacing.
We should not be surprised at the multiple locations being 'left' in nearly the same stage of development.
Original Photo credit: NASA/JPL/University of Arizona HiRISE
Why is this so important towards clarifying what forms craters?
Can you image a natural process that can make such consistant geometric shapes and even have the capability to form them in a repeatable pattern?
The answer is Electrical Discharge Machining, and it is also a natural process. Search EDM at this link.