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

    hiddicop 🇸🇪

    32,513
    28,573
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    46 / 123 Holes

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    3 / 62 Langs

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    20 / 99 Cheevos

    📅

    12 Days of Christmas
    11th
    99 Bottles of Beer
    37th
    Abundant Numbers
    368th38th
    Arabic to Roman
    34th
    Christmas Trees
    212th33rd
    CSS Colors
    85th23rd
    Cubes
    14th
    Diamonds
    35th
    Divisors
    1st41st
    Emirp Numbers
    312th49th
    Emojify
    Evil Numbers
    341st53rd
    Fibonacci
    186th7th
    Fizz Buzz
    409th58th80th
    Happy Numbers
    158th46th
    Intersection
    26th
    Kolakoski Constant
    111th28th
    Kolakoski Sequence
    19th18th
    Leap Years
    173rd48th
    Levenshtein Distance
    87th
    Leyland Numbers
    126th19th
    Look and Say
    23rd
    Lucky Tickets
    19th
    Morse Decoder
    12th
    Morse Encoder
    17th
    Niven Numbers
    206th6th
    Odious Numbers
    255th46th
    Ordinal Numbers
    187th26th
    Pangram Grep
    48th
    Pascal’s Triangle
    31st
    Pernicious Numbers
    274th47th
    Prime Numbers
    156th24th
    Quine
    96th
    Recamán
    73rd31st
    Rock-paper-scissors-Spock-lizard
    29th
    Roman to Arabic
    33rd
    Rule 110
    25th
    Seven Segment
    26th
    Sierpiński Triangle
    72nd14th
    Tongue-twisters
    28th
    Vampire Numbers
    220th39th
    λ
    124th26th
    π
    39th
    τ
    47th
    φ
    271st49th
    √2
    48th
    𝑒
    42nd