This is an instance of the color-dependent Fraser-Wilcox illusion (Kitaoka, 2014, Perception, 43, 914-925.). It is supposed that disks appear to rotate. May I ask you how you see illusion?pic.twitter.com/DueoO24CMZ
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If I sit with it a second I can even make them wobble 
But when I do that, it almost seems the inside levels go hyperbolic 
Same—both ways
Clockwise
Counterclockwise.
No motion. I am red-brown-green colorblind a bit.
Clockwise. Interestingly at different speeds
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