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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
    701
    Fizz Buzz
    882
    Leap Years
    550
    Niven Numbers
    735
    Niven Numbers (Long)
    557
    Odious Numbers
    438
    Odious Numbers (Long)
    434
    Ordinal Numbers
    419
    Pangram Grep
    380
    Prime Numbers
    532
    Prime Numbers (Long)
    618