When sides align

I saw a guy last night on the tube, solving and then resetting a Rubik’s Cube, over and over again. It took him about 30 seconds to solve before he mixed the squares up and started over. He never looked at the cube for longer than a few seconds, and it seemed that the task had merely become one of dexterity practice. I watched him from the other side of the carriage and thought “huh.” I had seen two other men doing the exact same thing in the last month, on the tube, late at night. Is that weird, does it mean something, or both?

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