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

    coreynash

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    103 / 123 Holes

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    12 Days of Christmas
    48th
    24 Game
    16th
    99 Bottles of Beer
    132nd
    Abundant Numbers
    58th
    Abundant Numbers (Long)
    42nd
    Arabic to Roman
    96th
    Arithmetic Numbers
    94th
    Arrows
    38th
    Ascending Primes
    26th
    ASCII Table
    30th
    brainfuck
    44th
    Card Number Validation
    41st
    Catalan Numbers
    92nd
    Catalan’s Constant
    59th
    Christmas Trees
    153rd
    Collatz
    28th
    CSS Colors
    81st
    Cubes
    41st
    Day of Week
    1st
    DFA Simulator
    20th
    Diamonds
    22nd
    Divisors
    168th
    Emirp Numbers
    64th
    Emirp Numbers (Long)
    30th
    Emojify
    44th
    Evil Numbers
    85th
    Evil Numbers (Long)
    67th
    Factorial Factorisation
    25th
    Farey Sequence
    49th
    Fibonacci
    215th
    Fizz Buzz
    410th
    Foo Fizz Buzz Bar
    19th
    Forsyth–Edwards Notation
    12th
    Fractions
    25th
    Game of Life
    25th
    Gijswijt’s Sequence
    14th
    Happy Numbers
    90th
    Happy Numbers (Long)
    53rd
    Hexdump
    28th
    Intersection
    37th
    Inventory Sequence
    32nd
    ISBN
    23rd
    Jacobi Symbol
    36th
    Kolakoski Constant
    29th
    Kolakoski Sequence
    54th
    Leap Years
    223rd
    Levenshtein Distance
    27th
    Leyland Numbers
    52nd
    ln 2
    59th
    Look and Say
    27th
    Lucky Numbers
    37th
    Lucky Tickets
    43rd
    Maze
    24th
    Medal Tally
    37th
    Morse Decoder
    31st
    Morse Encoder
    39th
    Musical Chords
    23rd
    Niven Numbers
    1st
    Niven Numbers (Long)
    21st
    Number Spiral
    35th
    Odious Numbers
    81st
    Odious Numbers (Long)
    41st
    Ordinal Numbers
    87th
    Pangram Grep
    86th
    Pascal’s Triangle
    17th
    Pernicious Numbers
    68th
    Pernicious Numbers (Long)
    63rd
    Poker
    27th
    Prime Numbers
    131st
    Prime Numbers (Long)
    73rd
    Proximity Grid
    18th
    QR Decoder
    20th
    Quine
    251st
    Recamán
    52nd
    Repeating Decimals
    30th
    Reverse Polish Notation
    18th
    Reversi
    25th
    Rijndael S-box
    37th
    Rock-paper-scissors-Spock-lizard
    43rd
    Roman to Arabic
    35th
    Rule 110
    48th
    Seven Segment
    9th
    SI Units
    21st
    Sierpiński Triangle
    59th
    Smith Numbers
    41st227th
    Spelling Numbers
    52nd
    Star Wars Opening Crawl
    12th
    Sudoku
    37th
    Sudoku (Fill-in)
    26th
    Ten-pin Bowling
    40th
    Tic-tac-toe
    25th
    Time Distance
    19th
    Tongue-twisters
    29th
    United States
    32nd
    Vampire Numbers
    18th
    Van Eck Sequence
    37th
    Zeckendorf Representation
    41st
    Zodiac Signs
    38th
    γ
    38th
    λ
    130th
    π
    291st
    √2
    59th
    𝑒
    57th