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

    mamalakic

    6,443
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    6,246
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    ⛳

    11 / 123 Holes

    🔣

    1 / 62 Langs

    🏆

    10 / 99 Cheevos

    📅

    Collatz
    2,136th
    Fizz Buzz
    3,841st
    Leap Years
    3,710th
    Niven Numbers
    2,305th
    Niven Numbers (Long)
    1,863rd
    Odious Numbers
    3,427th
    Odious Numbers (Long)
    1,936th
    Ordinal Numbers
    1,644th
    Pangram Grep
    2,076th
    Prime Numbers
    3,560th
    Prime Numbers (Long)
    1,844th