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Oh, very clear (typo) clever answer.

But,

That is not gray world.
It is black and white world. ^..^

Yes.
Well, this is how I want it to end ..

'black behind my back and I'm looking at the white color forward'

-->

very philosophical life-view problem.

If I were in such a case, I will be not easy.

If there are black and white in the world,
I would rather stand in the reverse direction.

white behind my back,
and facing black in front.