Apparently 2-1-3 is a valid move

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    Very confusing question, a lot of cases are unclear or unexplained.....

    For example, 1-8, 1-6 are valid moves. Jumping moves are also valid if you visited the middle point previously.
    e.g. 3, 3 = 320 case because 1-3 is invalid, but 2-1-3 is valid since the middle is visited already.

    This should cover all the missed counts if you are like me struggling to add up the numbers.....

    Better yet, double check on your phone! I figured out a bunch of valid moves playing with my actual android lock screen....

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