I made these animated graphics. The top one was an inverted color of the image below:
It started out looking like this:
Then I just rearranged the circles in the layers to make it look like this:
Here, you will see the steps/frames that makes this animation possible:
I worked on a single image created from basic circles, with a few arrangements and layers of changes I was able to make it into a fun-looking animation (at least for me).
Thanks!