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Comment by sambeau | Hacker News Reader

I have 6 spaces. How would this solution work for that?

Maybe:

      x
    xx xx
      x

Worst-case would be going from far left to far right, which would take 3 presses.

I've never actually used this before, but I've always envisioned arranging them in a cube, one on each face.

The problem with a cube is that you will always end up with at least one upside-down screen.