the equation in my head can solve.....
It's called imagination.

Not any more, as I just tested a few tricks, it works. Note that I'm not forcing anyone to believe me, I don't know who to trust that's it, therefore my only option is Satoshi/author of this challenge.
I have been called delusional, scammer, liar etc, without these name callings I wouldn't be here right now. It's the fuel for my engine.