This sequence of grids is arranged in alphabetical order but one grid is empty as you can see. All the others are complete.

How should you fill in the squares in order for this empty grid to be complete?

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  • 3
    $\begingroup$ Is the grid with a red square part of the sequence? $\endgroup$
    – bobble
    Commented Jan 13, 2021 at 19:25
  • $\begingroup$ No, it's not. That just worked as a guide $\endgroup$ Commented Jan 13, 2021 at 19:54
  • $\begingroup$ I would argue that the forth also have another option. $\endgroup$
    – dalle
    Commented Jan 14, 2021 at 12:01

1 Answer 1


enter image description here
Because these are the moves that can be made by chess pieces, missing the queen

  • $\begingroup$ Well done! Faster than expected $\endgroup$ Commented Jan 13, 2021 at 19:56

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