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

    kellantech

    17,967
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    17,005
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    🥈0
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    ⛳

    29 / 123 Holes

    🔣

    6 / 62 Langs

    🏆

    13 / 98 Cheevos

    📅

    12 Days of Christmas
    196
    99 Bottles of Beer
    227
    Abundant Numbers
    655 720513 636
    Arithmetic Numbers
    217 691681
    brainfuck
    578
    Catalan Numbers
    577603
    Collatz
    762891864476 814
    CSS Colors
    162
    Divisors
    720
    Emirp Numbers
    873
    Emojify
    272
    Evil Numbers
    816
    Evil Numbers (Long)
    872
    Fibonacci
    776 873 717947
    Fizz Buzz
    443 477
    Foo Fizz Buzz Bar
    617
    Fractions
    559
    Happy Numbers
    686
    Leap Years
    794 827
    Morse Encoder
    171
    Niven Numbers
    891 919 955957
    Odious Numbers
    870
    Pangram Grep
    570
    Pascal’s Triangle
    427
    Pernicious Numbers
    833
    Prime Numbers
    275 930
    Rijndael S-box
    114
    Rule 110
    347
    Van Eck Sequence
    461