Fewest Moves: New World Record 20 moves

You can mark that as "(18f*)", as Cube Explorer told me it's optimal.

Congratulations!

Thanks, I added *.

To people saying about my signature:
My number is still 30 because my shortest solution for (the hardest scramble) is still 30-move.
If you understand what is God's number, you may understand what I say.
(I'm not saying about the official attempts with 1-hour limit, but saying without time-limit)

Strictly speaking, that (my number is 30) is not proved since I haven't try all the scrambles of the possible states.
But the hardest scramble and also this scramble can be considered as good benchmarks to know your number.

Anyway thanks to everyone here!
 
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