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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
    502nd 1,368th
    99 Bottles of Beer
    138th 1,073rd
    Abundant Numbers
    54th 385th
    Abundant Numbers (Long)
    100th 904th
    Arabic to Roman
    697th
    Arithmetic Numbers
    323rd
    Ascending Primes
    212th
    ASCII Table
    78th 464th
    Billiards
    247th
    Card Number Validation
    330th
    Catalan Numbers
    218th 30th
    Catalan’s Constant
    74th 207th
    Christmas Trees
    67th 698th
    Collatz
    317th 1,180th
    Cubes
    24th 386th
    Diamonds
    118th 254th
    Divisors
    212th 479th
    Emirp Numbers
    587th 293rd
    Emirp Numbers (Long)
    228th 365th
    Evil Numbers
    480th 48th443rd
    Evil Numbers (Long)
    326th 44th653rd
    Factorial Factorisation
    81st 335th
    Farey Sequence
    384th
    Fibonacci
    410th 56th
    Fizz Buzz
    1,964th8,967th
    Foo Fizz Buzz Bar
    204th 1,093rd
    Fractions
    270th 510th
    Game of Life
    391st
    Gijswijt’s Sequence
    284th
    Happy Numbers
    577th 509th
    Happy Numbers (Long)
    76th 614th
    Hexdump
    386th
    Intersection
    58th 582nd
    Inventory Sequence
    235th 174th
    ISBN
    185th 688th
    Jacobi Symbol
    184th
    Kolakoski Constant
    26th 252nd
    Kolakoski Sequence
    90th 40th
    Leap Years
    137th 11th
    Levenshtein Distance
    218th
    Leyland Numbers
    182nd 406th
    Look and Say
    100th 560th
    Lucky Numbers
    270th 85th
    Lucky Tickets
    91st 303rd
    Niven Numbers
    333rd 8th
    Niven Numbers (Long)
    34th
    Number Spiral
    231st 322nd
    Odious Numbers
    408th 46th279th
    Odious Numbers (Long)
    294th 44th
    Ordinal Numbers
    255th 756th318th
    PalindromemordnilaP
    98th231st321st
    Pangram Grep
    155th 634th
    Pascal’s Triangle
    190th 244th
    Pernicious Numbers
    1,220th 40th
    Pernicious Numbers (Long)
    250th 97th
    Prime Numbers
    330th 122nd515th
    Prime Numbers (Long)
    420th 112th
    Quine
    733rd 169th
    Recamán
    116th 395th
    Repeating Decimals
    222nd
    Reverse Polish Notation
    108th 617th
    Rijndael S-box
    271st
    Roman to Arabic
    164th 558th
    ROT13
    179th 300th
    Rule 110
    198th 223rd
    Seven Segment
    467th
    Sierpiński Triangle
    74th 153rd
    Smith Numbers
    481st
    Spelling Numbers
    314th 525th
    Tic-tac-toe
    128th 301st
    Tongue-twisters
    918th
    Tower of Hanoi
    191st
    Transpose Sentence
    474th
    United States
    Vampire Numbers
    104th 336th
    Van Eck Sequence
    535th 195th
    Zeckendorf Representation
    446th
    π
    262nd 346th
    τ
    293rd 338th
    φ
    235th 146th
    √2
    269th 4th
    𝑒
    360th 70th