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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Flekay 🇩🇪

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    126 / 126 Holes

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    📅

    12 Days of Christmas
    49th
    24 Game
    17th
    99 Bottles of Beer
    39th
    Abundant Numbers
    58th
    Abundant Numbers (Long)
    34th
    Arabic to Roman
    32nd
    Arithmetic Numbers
    84th
    Arrows
    23rd
    Ascending Primes
    26th
    ASCII Table
    43rd
    Billiards
    14th
    brainfuck
    76th
    Calendar
    1st
    Card Number Validation
    50th
    Catalan Numbers
    1st
    Catalan’s Constant
    45th
    Christmas Trees
    43rd
    Collatz
    115th
    Continued Fractions
    48th
    CSS Colors
    19th
    Cubes
    23rd
    Day of Week
    1st
    DFA Simulator
    48th
    Diamonds
    45th
    Divisors
    1st
    Emirp Numbers
    70th
    Emirp Numbers (Long)
    34th
    Emojify
    56th
    Evil Numbers
    1st
    Evil Numbers (Long)
    41st
    Factorial Factorisation
    34th
    Farey Sequence
    77th
    Fibonacci
    1st
    Fizz Buzz
    60th
    Foo Fizz Buzz Bar
    1st
    Forsyth–Edwards Notation
    31st
    Fractions
    1st
    Game of Life
    58th
    Gijswijt’s Sequence
    38th
    Happy Numbers
    1st
    Happy Numbers (Long)
    61st
    Hexdump
    23rd
    Hilbert Curve
    28th
    Intersection
    67th
    Inventory Sequence
    50th
    ISBN
    41st
    Jacobi Symbol
    32nd
    Kaprekar Numbers
    24th
    Kolakoski Constant
    53rd
    Kolakoski Sequence
    20th
    Leap Years
    58th
    Levenshtein Distance
    79th
    Leyland Numbers
    8th
    ln 2
    1st
    Look and Say
    25th
    Lucky Numbers
    12th
    Lucky Tickets
    48th
    Mahjong
    27th
    Mandelbrot
    32nd
    Maze
    40th
    Medal Tally
    45th
    Minesweeper
    46th
    Morse Decoder
    38th
    Morse Encoder
    25th
    Multitap Input
    22nd
    Musical Chords
    26th
    N Queens
    28th
    Niven Numbers
    1st
    Niven Numbers (Long)
    21st
    Number Spiral
    28th
    Odious Numbers
    1st
    Odious Numbers (Long)
    1st
    Ordinal Numbers
    5th
    PalindromemordnilaP
    78th
    Pangram Grep
    62nd
    Partition Numbers
    30th
    Pascal’s Triangle
    1st
    Pernicious Numbers
    113th
    Pernicious Numbers (Long)
    38th
    Poker
    9th
    Polyominoes
    38th
    Prime Numbers
    1st
    Prime Numbers (Long)
    1st
    Proximity Grid
    52nd
    QR Decoder
    30th
    Quine
    1st
    Recamán
    62nd
    Repeating Decimals
    39th
    Reverse Polish Notation
    87th
    Reversi
    39th
    Rijndael S-box
    25th
    Rock-paper-scissors-Spock-lizard
    25th
    Roman to Arabic
    34th
    ROT13
    1st
    Rule 110
    53rd
    Scrambled Sort
    62nd
    Set
    74th
    Seven Segment
    56th
    SI Units
    12th
    Sierpiński Triangle
    39th
    Smith Numbers
    13th
    Spelling Numbers
    56th
    Star Wars GPT
    30th
    Star Wars Opening Crawl
    56th
    Sudoku
    22nd
    Sudoku (Fill-in)
    42nd
    Ten-pin Bowling
    23rd
    Tic-tac-toe
    61st
    Time Distance
    21st
    Tongue-twisters
    54th
    Topological Sort
    41st
    Tower of Hanoi
    26th
    Transpose Sentence
    20th
    Trinomial Triangle
    1st
    United States
    77th
    Vampire Numbers
    49th
    Van Eck Sequence
    34th
    Zeckendorf Representation
    27th
    Zodiac Signs
    31st
    γ
    25th
    λ
    23rd
    π
    40th
    τ
    32nd
    φ
    57th
    √2
    1st
    𝑒
    1st