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Of course I'm not forcing you to do anything if you don't want to, but seriously, what have you got to lose? Five seconds of your life?
I've never solved one but then again I've never really tried (other than just moving it around a little when I'm bored).
It depends on how difficult the scramble is. Occasionally things just fall into place but other times you have to go through the pattern several times.
I vary from about 1:50 to 2:50 so I put the 2-5 minutes.
sister: hey, were you expecting a package from Reading?
me: yup!
<3
Cost me so much more than I expected.