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

    kellantech

    17,967
    17,005
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    🥈0
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    29 / 123 Holes

    🔣

    6 / 62 Langs

    🏆

    13 / 98 Cheevos

    📅

    12 Days of Christmas
    423
    99 Bottles of Beer
    394
    Abundant Numbers
    677 738479 652
    Arithmetic Numbers
    208 666771
    brainfuck
    676
    Catalan Numbers
    553587
    Collatz
    749847823497 803
    CSS Colors
    180
    Divisors
    748
    Emirp Numbers
    738
    Emojify
    297
    Evil Numbers
    802
    Evil Numbers (Long)
    851
    Fibonacci
    772 839 704935
    Fizz Buzz
    474 519
    Foo Fizz Buzz Bar
    502
    Fractions
    495
    Happy Numbers
    759
    Leap Years
    770 815
    Morse Encoder
    239
    Niven Numbers
    860 868 933941
    Odious Numbers
    852
    Pangram Grep
    655
    Pascal’s Triangle
    450
    Pernicious Numbers
    815
    Prime Numbers
    251 913
    Rijndael S-box
    156
    Rule 110
    398
    Van Eck Sequence
    471