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

    CornerMercury 🇬🇧

    104,357
    109,057
    🥇132
    🥈3
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    A

    123 / 123 Holes

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    36 / 62 Langs

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    52 / 98 Cheevos

    📅

    12 Days of Christmas
    39th
    24 Game
    4th 6th
    99 Bottles of Beer
    27th
    Abundant Numbers
    18th 19th 12th
    Abundant Numbers (Long)
    19th 18th 16th
    Arabic to Roman
    15th1st
    Arithmetic Numbers
    11th 33rd
    Arrows
    25th
    Ascending Primes
    17th
    ASCII Table
    21st
    Billiards
    9th
    brainfuck
    18th
    Card Number Validation
    12th
    Catalan Numbers
    4th 8th 21st 1st
    Catalan’s Constant
    16th
    Christmas Trees
    78th
    Collatz
    14th 5th
    CSS Colors
    1st 21st
    Cubes
    16th
    Day of Week
    1st 1st 1st1st
    DFA Simulator
    7th
    Diamonds
    39th
    Divisors
    5th 19th 1st 1st
    Emirp Numbers
    15th
    Emirp Numbers (Long)
    8th
    Emojify
    18th
    Evil Numbers
    155th 8th 28th 38th 1st 85th
    Evil Numbers (Long)
    95th 8th 26th 34th 1st
    Factorial Factorisation
    20th
    Farey Sequence
    19th
    Fibonacci
    34th 110th6th 20th30th 1st 41st1st 1st 7th86th
    Fizz Buzz
    11th32nd 13th 18th 1st 6th 1st 21st 3rd
    Foo Fizz Buzz Bar
    10th 23rd 19th
    Forsyth–Edwards Notation
    16th
    Fractions
    45th 1st
    Game of Life
    25th
    Gijswijt’s Sequence
    14th
    Happy Numbers
    1st 7th 1st
    Happy Numbers (Long)
    7th 21st
    Hexdump
    22nd
    Hilbert Curve
    8th
    Intersection
    3rd 25th
    Inventory Sequence
    13th
    ISBN
    16th
    Jacobi Symbol
    29th
    Kaprekar Numbers
    12th
    Kolakoski Constant
    11th
    Kolakoski Sequence
    13th
    Leap Years
    12th 17th 1st 7th16th
    Levenshtein Distance
    3rd 1st
    Leyland Numbers
    1st 1st
    ln 2
    1st 9th 1st
    Look and Say
    11th
    Lucky Numbers
    13th
    Lucky Tickets
    1st 1st
    Mahjong
    9th
    Mandelbrot
    13th
    Maze
    7th
    Medal Tally
    15th
    Minesweeper
    5th
    Morse Decoder
    15th
    Morse Encoder
    31st
    Musical Chords
    22nd
    N Queens
    12th
    Niven Numbers
    21st 4th 1st 24th 1st
    Niven Numbers (Long)
    26th 22nd 20th
    Number Spiral
    17th
    Odious Numbers
    130th 9th 22nd 34th 1st
    Odious Numbers (Long)
    80th 9th 27th 32nd 1st
    Ordinal Numbers
    3rd
    PalindromemordnilaP
    22nd 6th
    Pangram Grep
    13th11th74th 33rd35th 26th 3rd 85th15th 24th 13th 26th 29th 4th17th
    Partition Numbers
    20th
    Pascal’s Triangle
    38th
    Pernicious Numbers
    20th 1st
    Pernicious Numbers (Long)
    16th 1st
    Poker
    12th
    Polyominoes
    11th
    Prime Numbers
    45th25th 14th41st 1st 1st 1st 12th
    Prime Numbers (Long)
    13th 24th 1st 1st 1st
    Proximity Grid
    14th
    QR Decoder
    15th
    Quine
    1st24th1st 1st 8th1st 1st 1st 32nd3rd 1st185th 1st 1st 1st1st1st 1st 1st91st1st
    Recamán
    8th 20th
    Repeating Decimals
    18th
    Reverse Polish Notation
    1st 33rd
    Reversi
    20th
    Rijndael S-box
    12th
    Rock-paper-scissors-Spock-lizard
    11th
    Roman to Arabic
    7th 20th1st
    ROT13
    4th 1st 34th
    Rule 110
    20th
    Scrambled Sort
    5th
    Set
    21st 16th
    Seven Segment
    36th
    SI Units
    11th
    Sierpiński Triangle
    45th
    Smith Numbers
    12th
    Spelling Numbers
    1st 20th
    Star Wars GPT
    18th
    Star Wars Opening Crawl
    15th
    Sudoku
    12th
    Sudoku (Fill-in)
    18th
    Ten-pin Bowling
    17th
    Tic-tac-toe
    14th
    Time Distance
    24th
    Tongue-twisters
    67th 6th
    Topological Sort
    9th
    Tower of Hanoi
    3rd 7th
    Transpose Sentence
    1st 23rd
    Trinomial Triangle
    5th 12th
    United States
    30th
    Vampire Numbers
    28th
    Van Eck Sequence
    7th 16th
    Zeckendorf Representation
    13th
    Zodiac Signs
    22nd
    γ
    46th 17th
    λ
    9th
    π
    2nd 9th 51st 11th
    τ
    2nd 8th 8th
    φ
    14th 12th 1st
    √2
    1st 1st
    𝑒
    1st 1st