Circles Within Circles Spinning #129

Spinning arcs within circles, overlapping transparent colours.
These are in landscape format so please open live to see full animation.
Variations of layout, colours, number of divisions including semi-random layouts and rare monochrome.
Made in p5.js
Click:
'f' to make the spinners spin faster;
's' to make the spinners spin slower;
'n' to pause the animation;
'm' to unpause the animation.