Ctrl+P again to print, arrows/tab to navigate results, enter to confirm

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

    SirBogman (he/him) 🇺🇸

    117,486
    116,501
    🦄2
    💎94
    🥇338
    🥈313
    🥉315

    So many people look at the bog.

    💰

    Sponsor

    126 / 126 Holes

    🔣

    61 / 64 Langs

    🏆

    85 / 109 Cheevos

    📅

    2 Holes Authored

    1 Referral

    12 Days of Christmas
    2nd12th13th 3rd 4th 5th 40th 6th 3rd 3rd 26th 3rd 9th 10th
    24 Game
    16th 4th 💎 2nd 3rd 2nd 35th 💎 7th
    99 Bottles of Beer
    6th9th 4th 3rd 6th 3rd 3rd 16th 4th 7th11th 5th
    Abundant Numbers
    23rd19th 10th 3rd 1st 9th 4th 21st 15th 60th 5th 21st
    Abundant Numbers (Long)
    5th20th 8th 3rd 1st 8th 1st 18th 9th 18th 9th 20th
    Arabic to Roman
    4th28th1st 4th 2nd 5th 6th 3rd 21st 3rd 10th
    Arithmetic Numbers
    3rd22nd 4th 2nd 6th 2nd 74th 6th 13th
    Arrows
    21st 4th 4th 3rd 6th 23rd 5th 11th
    Ascending Primes
    12th5th 12th 💎 1st 15th 1st 2nd 35th 8th 15th
    ASCII Table
    7th31st 3rd 12th 5th 6th 3rd 47th 4th 11th
    Billiards
    17th 💎 3rd 4th 2nd 47th 3rd 15th
    brainfuck
    7th3rd2nd2nd 2nd18th 💎 💎 4th 5th21st 4th 2nd 5th 5th 42nd 4th 12th
    Calendar
    4th 91st
    Card Number Validation
    20th 4th 3rd 6th 3rd 63rd 5th 16th
    Catalan Numbers
    31st 4th 24th 17th 9th 18th 89th 9th 38th
    Catalan’s Constant
    7th 15th 4th 2nd 6th 4th 24th 1st3rd 3rd 12th 4th 10th
    Christmas Trees
    3rd28th 16th 3rd 13th 7th 6th 9th 16th 7th 12th
    Collatz
    6th36th 6th 19th 7th 12th 11th 9th 5th 9th 27th
    Continued Fractions
    4th 52nd
    CSS Colors
    7th7th7th 💎6th 💎 5th 4th 1st 35th 5th 15th
    Cubes
    25th 3rd 2nd 3rd 3rd 3rd 13th 4th 2nd
    Day of Week
    27th 4th 4th 4th 1st 76th 6th 26th
    DFA Simulator
    17th 1st 💎 3rd 3rd 2nd 43rd 3rd 6th
    Diamonds
    2nd24th 14th 3rd 12th 9th 7th 6th7th17th 7th 12th
    Divisors
    71st 6th18th 24th 1st 1st 14th 1st 1st 10th 2nd 1st 1st 5th62nd 20th
    Emirp Numbers
    24th11th 7th 10th 1st 15th 12th 15th 7th 11th
    Emirp Numbers (Long)
    4th28th 6th 9th 1st 13th 2nd 28th 9th 7th
    Emojify
    9th 21st 3rd 💎 2nd 5th 28th 2nd 9th
    Evil Numbers
    24th8th 13th 15th 9th 24th 1st 1st 2nd 1st 8th 35th
    Evil Numbers (Long)
    6th21st 12th 7th 6th 11th 1st 1st 1st 41st 6th 24th
    Factorial Factorisation
    17th 2nd 6th 9th 2nd 45th 4th 19th
    Farey Sequence
    4th25th 3rd 6th 5th 7th 49th 5th 25th
    Fibonacci
    9th35th42nd3rd18th2nd52nd43rd1st19th13th4th18th30th19th23rd26th12th19th23rd26th1st11th22nd39th17th36th4th7th11th80th1st16th37th1st37th1st22nd18th1st38th13th25th18th1st11th10th16th8th75th15th15th5th3rd19th22nd25th18th24th23rd
    Fizz Buzz
    8th17th68th6th12th14th32nd3rd19th16th27th7th28th19th8th8th20th18th12th20th20th4th13th47th18th8th77th4th9th13th68th1st1st31st8th48th91st16th16th19th9th1st1st13th21st5th1st9th4th48th13th25th10th16th14th5th16th14th26th15th
    Foo Fizz Buzz Bar
    4th18th26th4th7th3rd16th20th10th12th10th5th32nd7th12th18th11th7th4th12th6th3rd 21st8th8th18th2nd10th9th36th5th1st29th8th14th31st7th4th10th12th1st2nd12th20th9th6th8th13th7th8th9th4th12th10th5th3rd4th11th8th
    Forsyth–Edwards Notation
    26th 2nd 3rd 2nd 3rd 27th 7th 26th
    Fractions
    35th 6th 13th 8th 7th 6th 61st 6th 1st
    Game of Life
    22nd 1st 6th 7th 7th 3rd 15th 3rd 12th
    Gijswijt’s Sequence
    23rd 2nd 3rd 4th 3rd 59th 4th 12th
    Happy Numbers
    24th29th 8th 25th 9th 5th 13th 53rd 9th 15th
    Happy Numbers (Long)
    4th28th 4th 26th 5th 2nd 3rd 31st 8th 25th
    Hexdump
    21st 💎 7th 3rd 3rd 7th 2nd 28th 2nd 12th
    Hilbert Curve
    2nd 6th 2nd 💎 3rd 💎 3rd6th 2nd 💎 💎 💎 💎 4th
    Intersection
    30th 3rd 7th 10th 11th 5th 25th 5th 10th
    Inventory Sequence
    2nd23rd 8th 3rd 9th 5th 12th 12th 2nd 13th 7th 11th
    ISBN
    11th 5th29th 3rd 9th 8th 17th 6th 29th 8th 12th
    Jacobi Symbol
    4th 2nd24th 2nd 4th 1st4th 2nd 4th 6th 3rd6th24th 3rd 8th
    Kaprekar Numbers
    10th 9th 4th 3rd 4th 3rd 28th 2nd 13th
    Kolakoski Constant
    10th 8th 17th 💎 7th 6th 5th 2nd 17th 2nd 14th
    Kolakoski Sequence
    7th 2nd33rd 26th 21st 14th 4th 7th 20th 2nd 1st 5th 13th 5th 27th
    Leap Years
    5th27th 13th 9th 8th 20th 3rd 1st 148th 10th 41st
    Levenshtein Distance
    8th 💎 13th 5th 6th 26th3rd8th21st 7th 46th 6th
    Leyland Numbers
    2nd30th 5th 10th 3rd 55th 6th 12th 1st 4th 17th
    ln 2
    7th9th9th 2nd22nd 10th 4th 3rd 7th 2nd 18th 1st3rd 1st 6th 46th 8th 15th
    Look and Say
    3rd26th 17th 3rd 17th 5th 8th 4th 14th 7th 16th
    Lucky Numbers
    25th 6th 6th 7th 5th 4th 44th 3rd 14th
    Lucky Tickets
    9th 2nd22nd 3rd 2nd 4th9th 7th 13th 9th 4th 28th 3rd 8th
    Mahjong
    3rd💎3rd 💎6th 8th 💎 2nd 💎 2nd 2nd 6th 2nd 8th
    Mandelbrot
    18th 3rd 4th 4th 3rd 72nd 3rd 14th
    Maze
    12th 10th 19th 3rd 3rd 5th 3rd 7th 3rd 15th
    Medal Tally
    14th 💎19th 💎 3rd 3rd 3rd 17th 1st 14th
    Minesweeper
    40th
    Morse Decoder
    22nd 2nd 3rd 2nd 2nd 18th 5th 7th
    Morse Encoder
    17th 2nd 4th 4th 4th 20th 3rd 9th
    Multitap Input
    39th
    Musical Chords
    6th3rd4th 3rd 3rd3rd 3rd 💎 3rd 2nd 8th 3rd 💎 5th 2nd💎3rd 2nd 3rd
    N Queens
    15th 18th 2nd 💎 6th 4th 3rd 2nd 45th 5th 3rd
    Niven Numbers
    12th 27th32nd 1st 3rd 7th 31st 8th 5th 8th 47th 1st 14th
    Niven Numbers (Long)
    5th33rd 17th 12th 2nd 4th 1st 13th 113th 1st 1st
    Number Spiral
    9th25th 2nd 5th 8th 1st 3rd 33rd 4th 10th
    Odious Numbers
    25th9th 13th 18th 9th 22nd 1st 1st 2nd 1st 9th 31st
    Odious Numbers (Long)
    6th9th 13th 6th 6th 22nd 1st 1st 1st 1st 8th 21st
    Ordinal Numbers
    4th23rd 3rd 16th 9th 6th 15th 10th 71st 1st 21st
    PalindromemordnilaP
    20th 💎 7th 4th 4th 61st 8th 18th
    Pangram Grep
    14th 8th 2nd33rd 14th 2nd 1st 11th3rd 3rd5th 31st 14th7th 17th 13th 3rd1st37th8th12th 27th13th 15th10th6th 11th
    Partition Numbers
    16th 2nd 3rd 5th 11th 4th 31st 2nd 13th
    Pascal’s Triangle
    68th 33rd 5th33rd 6th 18th 1st 33rd 1st 47th19th23rd2nd 47th 13th 39th
    Pernicious Numbers
    25th29th 21st 4th 1st 1st 1st 1st 1st 15th 22nd
    Pernicious Numbers (Long)
    4th27th 19th 8th 13th 1st 10th 8th 74th 17th 28th
    Poker
    2nd 8th 💎 3rd 2nd 2nd 12th 2nd 7th
    Polyominoes
    14th 2nd 3rd 2nd 2nd 30th 2nd 9th
    Prime Numbers
    46th27th 26th35th 15th 15th 7th 32nd 42nd 1st 43rd44th 1st 14th9th87th 17th 27th
    Prime Numbers (Long)
    38th13th 5th14th 14th 6th 4th 25th 11th 1st 32nd1st 1st 6th11th1st 16th 1st
    Proximity Grid
    4th 2nd15th 6th 3rd 3rd 13th 2nd 6th 2nd 9th 💎 7th
    QR Decoder
    8th 8th 8th 💎 4th 4th 3rd 9th 2nd 6th
    Quine
    1st44th1st 25th25th1st34th 16th8th35th1st23rd 37th11th30th25th13th 1st18th 33rd15th5th10th41st32nd 1st1st 1st23rd1st26th1st37th24th1st76th 14th 1st21st 8th32nd 19th
    Recamán
    5th 30th 18th 31st 1st 7th 3rd3rd 8th 6th 31st 3rd 18th
    Repeating Decimals
    2nd21st 2nd 3rd 3rd 2nd 18th 10th 7th
    Reverse Polish Notation
    28th 5th 1st 6th 45th 7th 4th 30th 3rd 16th
    Reversi
    💎15th 8th 2nd 2nd 2nd 4th 2nd 13th 3rd 6th
    Rijndael S-box
    11th6th9th 2nd18th 4th 4th 2nd 4th 3rd 2nd 7th 2nd 3rd 2nd 10th 💎 5th
    Rock-paper-scissors-Spock-lizard
    9th 9th 2nd14th 💎 2nd 2nd 2nd5th32nd 4th 9th
    Roman to Arabic
    5th32nd 6th 5th 11th 12th 14th 42nd 3rd 29th
    ROT13
    23rd5th14th 5th27th 2nd 2nd 4th 4th 14th 3rd 85th 9th 16th
    Rule 110
    2nd24th 3rd 6th 13th 4th 5th 6th 36th 6th 18th
    Scrambled Sort
    22nd 💎 1st 4th 3rd 77th 💎 14th
    Set
    19th 💎 2nd 5th 2nd 42nd 💎 19th
    Seven Segment
    25th 2nd 8th 4th 5th 2nd 17th 5th 9th
    SI Units
    3rd 💎 2nd 2nd 2nd 5th 2nd 3rd
    Sierpiński Triangle
    67th30th28th 4th28th 7th 6th 8th 8th 💎 5th 11th 57th 6th 23rd
    Smith Numbers
    24th 4th 6th 4th 6th 4th 25th 3rd 10th
    Spelling Numbers
    2nd 1st 3rd 5th 6th 2nd 15th 3rd 9th 5th
    Star Wars GPT
    17th 🦄 3rd 4th 2nd 52nd 3rd 14th
    Star Wars Opening Crawl
    2nd11th 💎 2nd 2nd 2nd 19th 3rd 6th
    Sudoku
    7th3rd6th 2nd2nd 4th 💎 2nd 4th3rd 2nd 2nd 5th 💎 2nd 4th 💎 2nd 2nd
    Sudoku (Fill-in)
    7th6th5th 2nd6th 9th 2nd 3rd 3rd4th 3rd 5th 7th 2nd 2nd 8th 💎 8th 2nd
    Ten-pin Bowling
    2nd18th 4th 6th 2nd 2nd 4th 2nd 7th 3rd 6th
    Tic-tac-toe
    19th 💎 3rd 3rd 9th 3rd 47th 1st 18th
    Time Distance
    8th 21st 2nd 2nd 2nd 2nd 26th 💎 9th
    Tongue-twisters
    30th 2nd 2nd 4th 3rd 28th 2nd 5th
    Topological Sort
    15th 3rd 4th 3rd 30th 3rd 10th
    Tower of Hanoi
    7th 86th
    Transpose Sentence
    33rd 💎 7th 10th 4th 73rd 6th 14th
    Trinomial Triangle
    16th 2nd 4th 9th 3rd 2nd 43rd 3rd 13th
    United States
    5th 2nd17th6th12th 2nd21st6th 2nd 2nd 7th 4th 3rd 11th61st 7th2nd 7th7th 9th10th4th3rd10th 3rd 12th7th 3rd 2nd
    Vampire Numbers
    23rd 3rd 5th 4th 2nd 2nd 5th 4th 10th
    Van Eck Sequence
    27th 3rd 7th 1st 7th 7th 48th 4th 21st
    Zeckendorf Representation
    13th 16th 5th 3rd 6th 4th 52nd 3rd 19th
    Zodiac Signs
    2nd22nd 2nd 6th 3rd 26th 3rd 2nd 15th 2nd 15th
    γ
    15th4th8th 11th 3rd 2nd 💎 3rd 1st 9th 1st2nd 💎 13th 2nd 7th
    λ
    9th 13th 5th 3rd 9th 2nd 39th 2nd 2nd 28th 5th 12th
    π
    4th13th7th 2nd24th 5th 3rd 7th 21st 3rd 15th 1st4th 4th 6th 34th 7th 22nd
    τ
    4th11th7th 2nd24th 5th 3rd 5th 20th 13th 1st4th 4th 4th 28th 7th 18th
    φ
    7th17th5th 3rd29th 6th 4th 14th12th 6th 24th 1st4th 1st 9th 59th 6th 30th
    √2
    6th14th6th 21st 6th 3rd 18th13th 15th 28th 1st4th 1st 8th 1st 8th 31st
    𝑒
    13th13th10th 3rd20th 5th 5th 15th 1st 1st7th 5th 8th 1st 10th 16th