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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?

    Rubiksmath

    52,961
    47,103
    🥇49
    🥈1
    🥉3

    58 / 126 Holes

    🔣

    4 / 64 Langs

    🏆

    25 / 109 Cheevos

    📅

    99 Bottles of Beer
    1,064th
    Abundant Numbers
    635th
    Abundant Numbers (Long)
    55th
    Arithmetic Numbers
    48th
    ASCII Table
    285th
    Card Number Validation
    4th
    Catalan Numbers
    42nd
    Christmas Trees
    368th
    Collatz
    372nd
    Cubes
    862nd
    Day of Week
    64th
    Diamonds
    65th
    Divisors
    28th
    Emojify
    3rd
    Evil Numbers
    48th
    Evil Numbers (Long)
    44th
    Factorial Factorisation
    499th
    Fibonacci
    46th
    Fizz Buzz
    61st
    Foo Fizz Buzz Bar
    9th
    Gijswijt’s Sequence
    7th
    Happy Numbers
    32nd
    Happy Numbers (Long)
    38th
    Intersection
    21st
    ISBN
    1,478th 7th
    Kolakoski Sequence
    286th
    Leap Years
    1,841st197th197th
    Leyland Numbers
    25th
    ln 2
    28th
    Look and Say
    1,056th
    Lucky Numbers
    13th
    Lucky Tickets
    13th
    Niven Numbers
    50th
    Niven Numbers (Long)
    57th
    Odious Numbers
    46th
    Odious Numbers (Long)
    44th
    Ordinal Numbers
    1,038th
    PalindromemordnilaP
    260th
    Pangram Grep
    33rd
    Pascal’s Triangle
    53rd
    Pernicious Numbers
    40th
    Pernicious Numbers (Long)
    34th
    Prime Numbers
    122nd
    Prime Numbers (Long)
    110th
    Quine
    169th
    Recamán
    38th
    Reverse Polish Notation
    123rd
    Rock-paper-scissors-Spock-lizard
    34th
    Roman to Arabic
    47th
    SI Units
    299th
    Smith Numbers
    48th
    Sudoku (Fill-in)
    109th
    Transpose Sentence
    89th
    Vampire Numbers
    68th
    Van Eck Sequence
    13th
    φ
    38th
    √2
    40th
    𝑒
    69th