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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?

    xnor-gate

    76,617
    70,534
    💎5
    🥇123
    🥈12
    🥉16

    81 / 126 Holes

    🔣

    4 / 64 Langs

    🏆

    32 / 109 Cheevos

    📅

    12 Days of Christmas
    4th 158th
    99 Bottles of Beer
    2nd 128th
    Abundant Numbers
    1st 14th
    Abundant Numbers (Long)
    1st 76th
    Arabic to Roman
    69th
    Arithmetic Numbers
    4th
    Ascending Primes
    19th
    ASCII Table
    1st 54th
    Billiards
    24th
    Card Number Validation
    35th
    Catalan Numbers
    1st 1st
    Catalan’s Constant
    1st 24th
    Christmas Trees
    1st 84th
    Collatz
    2nd 108th
    Cubes
    💎 68th
    Diamonds
    4th 20th
    Divisors
    1st 120th
    Emirp Numbers
    9th 15th
    Emirp Numbers (Long)
    8th 48th
    Evil Numbers
    6th 1st8th
    Evil Numbers (Long)
    1st 1st4th
    Factorial Factorisation
    2nd 32nd
    Farey Sequence
    39th
    Fibonacci
    1st 1st
    Fizz Buzz
    201st299th
    Foo Fizz Buzz Bar
    1st 134th
    Fractions
    1st 61st
    Game of Life
    46th
    Gijswijt’s Sequence
    38th
    Happy Numbers
    12th 53rd
    Happy Numbers (Long)
    1st 68th
    Hexdump
    52nd
    Intersection
    1st 93rd
    Inventory Sequence
    2nd 24th
    ISBN
    9th 77th
    Jacobi Symbol
    4th
    Kolakoski Constant
    💎 35th
    Kolakoski Sequence
    1st 3rd
    Leap Years
    1st 1st
    Levenshtein Distance
    3rd
    Leyland Numbers
    4th 87th
    Look and Say
    1st 54th
    Lucky Numbers
    7th 33rd
    Lucky Tickets
    1st 43rd
    Niven Numbers
    1st 1st
    Niven Numbers (Long)
    1st
    Number Spiral
    5th 33rd
    Odious Numbers
    6th 1st1st
    Odious Numbers (Long)
    1st 1st
    Ordinal Numbers
    1st 82nd4th
    PalindromemordnilaP
    1st3rd48th
    Pangram Grep
    1st 93rd
    Pascal’s Triangle
    3rd 47th
    Pernicious Numbers
    5th 1st
    Pernicious Numbers (Long)
    1st 30th
    Prime Numbers
    1st 1st13th
    Prime Numbers (Long)
    1st 1st
    Quine
    1st 1st
    Recamán
    1st 61st
    Repeating Decimals
    23rd
    Reverse Polish Notation
    1st 64th
    Rijndael S-box
    29th
    Roman to Arabic
    1st 63rd
    ROT13
    1st 56th
    Rule 110
    3rd 28th
    Seven Segment
    70th
    Sierpiński Triangle
    1st 17th
    Smith Numbers
    59th
    Spelling Numbers
    6th 48th
    Tic-tac-toe
    1st 30th
    Tongue-twisters
    94th
    Tower of Hanoi
    14th
    Transpose Sentence
    50th
    United States
    Vampire Numbers
    3rd 58th
    Van Eck Sequence
    5th 48th
    Zeckendorf Representation
    44th
    π
    5th 52nd
    τ
    4th 50th
    φ
    1st 34th
    √2
    1st 1st
    𝑒
    2nd 1st