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Place a Knight from a chess set on the corner of a 3 by 3 square board:




It would need 4 usual Knight's moves to place it in the opposite corner. One possible set of moves is shown below:




  • What would be the smallest number of moves needed to move from one corner to the opposite corner of a 99 by 99 square board?

  • What would be the smallest number of moves needed to move from one corner to the opposite corner of an n by n square grid?