Trotsky's Big Spiral Design

Yes, the formula was by J Trotsky and he called it "big spiral" although I didn't see any spirals. What I saw at first was a nice design but it was not symmetrical. Not until I played with the color mapping and Red gave perfect symmetry! Never saw anything like that before

This was not meant to be so dark in coloration either, but I didn't want to lose the nice symmetrical design so I left it. I am in a dark kind of mood these days anyway...serious family illness can do that to you.

Fractal Explorer, Gimp