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

    alasdair-greenland

    15,744
    15,350
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    🥈0
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    20 / 123 Holes

    🔣

    1 / 62 Langs

    🏆

    12 / 98 Cheevos

    📅

    12 Days of Christmas
    1,172nd
    Collatz
    278th
    Divisors
    2,075th
    Evil Numbers
    3,542nd
    Fibonacci
    4,206th
    Fizz Buzz
    133rd
    Foo Fizz Buzz Bar
    955th
    Happy Numbers
    1,061st
    Happy Numbers (Long)
    869th
    Kolakoski Sequence
    1,074th
    Leap Years
    296th
    Leyland Numbers
    852nd
    Look and Say
    273rd
    Niven Numbers
    916th
    Pascal’s Triangle
    1,173rd
    Pernicious Numbers
    2,390th
    Prime Numbers
    907th
    Quine
    2,171st
    Recamán
    828th
    Tongue-twisters
    611th