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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    josephdwalker

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    14 / 123 Holes

    🔣

    1 / 62 Langs

    🏆

    8 / 99 Cheevos

    📅

    99 Bottles of Beer
    69th
    Collatz
    89th
    Evil Numbers
    74th
    Evil Numbers (Long)
    42nd
    Fibonacci
    169th
    Happy Numbers
    50th
    Leap Years
    59th
    Niven Numbers
    73rd
    Niven Numbers (Long)
    38th
    Odious Numbers
    50th
    Odious Numbers (Long)
    40th
    Prime Numbers
    54th
    Prime Numbers (Long)
    37th
    Recamán
    35th