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

    kkoenig

    56,118
    56,479
    💎2
    🥇35
    🥈0
    🥉6

    87 / 123 Holes

    🔣

    40 / 62 Langs

    🏆

    38 / 98 Cheevos

    📅

    12 Days of Christmas
    1,422nd 1,428th 736th
    24 Game
    644th
    99 Bottles of Beer
    1,297th 1,094th 439th
    Abundant Numbers
    816th 4,041st
    Abundant Numbers (Long)
    513th
    Arabic to Roman
    841st 678th 571st
    Arithmetic Numbers
    207th 1,583rd
    Arrows
    1,153rd
    Ascending Primes
    596th
    ASCII Table
    500th 667th 177th
    brainfuck
    709th 1,358th
    Catalan Numbers
    385th
    Catalan’s Constant
    Christmas Trees
    915th 865th 419th
    Collatz
    698th 601st 808th
    CSS Colors
    336th
    Cubes
    Day of Week
    720th 554th368th760th 339th 1,414th455th 859th 1,122nd
    DFA Simulator
    253rd
    Diamonds
    1,743rd
    Divisors
    2,491st 720th
    Emirp Numbers
    2,360th 2,443rd 348th
    Emirp Numbers (Long)
    527th
    Emojify
    478th
    Evil Numbers
    811th 1,778th
    Evil Numbers (Long)
    534th 115th
    Factorial Factorisation
    844th
    Farey Sequence
    781st 1,029th
    Fibonacci
    2,585th6,234th2,200th8,999th729th862nd625th8,130th6,874th6,253rd2,800th8,942nd9,133rd9,176th776th9,250th6,973rd9,000th8,946th795th7,775th7,145th7,727th9,140th5,246th4,814th9,046th1,174th9,170th8,029th8,990th8,415th 6,074th8,945th6,490th9,083rd 9,055th
    Fizz Buzz
    11,601st10,765th 480th3,647th1,189th 723rd5,177th1,247th 4,676th 1,676th 5,758th
    Foo Fizz Buzz Bar
    1,855th 235th
    Forsyth–Edwards Notation
    543rd
    Fractions
    218th
    Game of Life
    773rd
    Gijswijt’s Sequence
    527th
    Happy Numbers
    461st
    Happy Numbers (Long)
    1,114th
    Hexdump
    372nd
    Hilbert Curve
    432nd
    Intersection
    469th 451st 214th
    Inventory Sequence
    1,053rd
    ISBN
    794th
    Jacobi Symbol
    17th
    Kaprekar Numbers
    200th
    Kolakoski Constant
    Kolakoski Sequence
    622nd
    Leap Years
    1,031st2,049th4,064th 1,196th
    Levenshtein Distance
    1,094th
    Leyland Numbers
    581st
    ln 2
    Look and Say
    1,218th
    Lucky Numbers
    704th
    Lucky Tickets
    687th
    Morse Decoder
    762nd
    Morse Encoder
    830th
    Niven Numbers
    2,800th 663rd 2,935th
    Niven Numbers (Long)
    514th 1,638th
    Number Spiral
    926th
    Odious Numbers
    564th 1,066th
    Odious Numbers (Long)
    486th
    Ordinal Numbers
    836th
    Pangram Grep
    2,229th1,950th2,142nd 1,020th
    Partition Numbers
    626th
    Pascal’s Triangle
    1,019th 410th 1,593rd
    Pernicious Numbers
    805th 654th 3,117th
    Pernicious Numbers (Long)
    882nd
    Prime Numbers
    4,352nd 1,332nd2,856th 1,158th1,682nd 3,015th 2,750th 756th
    Prime Numbers (Long)
    533rd
    Quine
    4,648th4,834th 4,235th2,162nd4,565th 2,599th 1,525th 3,847th 1,161st 551st 5,241st
    Recamán
    531st
    Reverse Polish Notation
    280th
    Rijndael S-box
    835th
    Roman to Arabic
    823rd
    ROT13
    526th
    Rule 110
    383rd
    Scrambled Sort
    456th
    Seven Segment
    226th
    Sierpiński Triangle
    1,363rd
    Smith Numbers
    836th
    Spelling Numbers
    140th
    Tic-tac-toe
    272nd
    Tongue-twisters
    559th
    United States
    478th 1,192nd 1,359th
    Vampire Numbers
    301st
    Van Eck Sequence
    692nd
    γ
    λ
    618th
    π
    2,726th 2,179th 2,474th 1,819th 3,526th 1,268th 2,368th2,126th
    τ
    1,253rd
    φ
    292nd
    √2
    1,856th 309th
    𝑒
    452nd 1,487th