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    This comment is hidden because it contains spoiler information about the solution

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    But that would mean:

    y n y n y n y n y n
    1, 2, 3, 4, 5, 6, 7, 8, 9, 10

    1, 3, 5, 7, 9

    then we have

    N Y N Y N
    2, 4, 6, 8, 10

    1, 3, 5, 7, 9, 4, 8
    ...

    And in the description it says
    1, 3, 5, 7, 9, 2, 4, 6, 8, 4
    what am i missing?