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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?

    retrohun

    88,718
    83,769
    🦄2
    💎6
    🥇50
    🥈64
    🥉66

    placeholder for brainwashing short quote

    126 / 126 Holes

    🔣

    64 / 64 Langs

    🏆

    101 / 109 Cheevos

    📅

    2 Holes Authored

    12 Days of Christmas
    11th 22nd13th5th21st16th45th109th159th119th 16th 43rd28th20th20th28th 19th 16th 72nd28th 50th14th17th 127th402nd 32nd21st 66th31st12th21st42nd66th137th13th1,056th21st18th 100th90th 5th24th50th14th 17th24th19th15th
    24 Game
    7th2nd9th8th 21st28th 6th 9th 108th 2nd
    99 Bottles of Beer
    12th 11th13th7th15th9th38th113th152nd78th 12th 26th17th20th25th23rd 20th 15th 67th21st 48th17th16th 132nd487th 32nd14th 67th27th13th17th42nd74th148th16th1,086th23rd17th 96th77th 4th22nd39th19th 16th22nd11th13th
    Abundant Numbers
    20th 18th11th8th28th18th20th35th151st138th 29th 26th35th26th36th22nd 26th 28th 81st39th 93rd10th30th 146th347th 57th50th 67th32nd15th29th40th67th94th16th210th22nd33rd 115th106th 1st19th39th11th 26th12th22nd17th
    Abundant Numbers (Long)
    12th 12th8th6th24th17th14th57th74th95th 16th 21st28th23rd36th17th 19th 19th 46th33rd 54th 18th 100th171st 43rd41st 49th27th13th18th28th44th38th13th551st22nd23rd 66th62nd 2nd9th23rd11th 17th9th18th16th
    Arabic to Roman
    10th5th 3rd
    Arithmetic Numbers
    20th2nd 429th 4th
    Arrows
    4th 16th 14th 4th 20th
    Ascending Primes
    10th2nd 11th 27th 18th 73rd 3rd8th 14th
    ASCII Table
    7th 15th15th3rd19th 39th52nd66th61st 22nd14th15th16th11th 11th 15th 39th27th 18th11th14th 49th141st 19th22nd 34th22nd11th15th18th29th43rd8th387th12th18th 53rd39th 5th6th16th8th 11th6th12th12th
    Billiards
    2nd 93rd
    brainfuck
    4th3rd 52nd 86th
    Calendar
    2nd 110th
    Card Number Validation
    4th 106th 3rd
    Catalan Numbers
    23rd 9th9th6th11th8th11th22nd42nd28th 15th 26th23rd21st23rd19th 19th 8th 34th35th 45th8th39th 44th112th 41st16th 16th14th10th11th25th13th42nd16th1st9th26th 67th18th 6th7th6th16th 15th5th9th14th
    Catalan’s Constant
    8th 9th7th6th14th5th16th13th24th20th 22nd12th17th16th6th 16th 16th 18th21st 12th6th 36th60th 57th7th 23rd6th6th20th12th12th29th10th214th14th13th 24th13th 7th6th22nd16th 8th4th9th12th
    Christmas Trees
    10th 12th2nd5th17th12th37th75th116th57th 21st51st19th21st11th 16th 16th 41st24th 40th12th16th 75th293rd 29th19th 52nd25th10th17th35th59th81st10th130th15th26th 96th58th 7th14th27th11th 33rd8th16th18th
    Collatz
    20th 18th17th6th25th24th15th94th115th153rd 18th 25th23rd28th36th19th 21st 19th 51st44th 68th9th24th 108th275th 46th41st 46th27th18th20th31st58th57th21st206th26th23rd 77th95th 8th7th33rd16th 21st11th26th16th
    Continued Fractions
    2nd
    CSS Colors
    6th22nd 173rd 24th 5th17th
    Cubes
    5th 9th7th6th13th 24th47th46th27th 16th13th11th13th8th 10th 12th 27th16th 18th8th11th 42nd110th 17th11th 24th15th5th12th15th16th38th6th357th10th15th 43rd28th 17th11th9th7th 11th7th9th10th
    Day of Week
    3rd5th 98th 3rd
    DFA Simulator
    2nd
    Diamonds
    9th 9th7th3rd16th12th44th91st71st55th 18th70th14th20th9th 11th 16th 54th29th 38th11th20th 57th173rd 31st19th 40th22nd8th16th23rd38th53rd10th217th11th26th 92nd37th 5th12th17th10th 15th9th8th14th
    Divisors
    27th 13th14th5th26th22nd16th52nd163rd58th 21st 40th41st26th34th25th 30th 20th 88th38th 126th18th62nd 169th601st 58th42nd 114th37th16th32nd55th135th103rd18th1st25th24th 174th121st 5th18th51st20th 25th13th28th18th
    Emirp Numbers
    15th 4th11th16th6th15th9th28th61st52nd37th 33rd 19th20th18th22nd13th 15th 17th 42nd22nd 59th14th30th 52nd226th 24th32nd 34th20th7th18th32nd35th51st15th155th15th23rd 120th30th 1st8th14th10th 17th6th13th14th
    Emirp Numbers (Long)
    8th 10th12th7th15th10th16th51st43rd35th 12th 19th17th15th20th10th 10th 13th 25th19th 27th9th18th 36th98th 18th28th 25th16th7th15th16th24th23rd8th248th14th18th 46th32nd 5th5th13th8th 12th5th12th13th
    Emojify
    6th 6th
    Evil Numbers
    26th 27th5th6th26th19th32nd59th133rd51st28th32nd36th55th45th41st19th34th27th 18th30th22nd27th19th79th42nd15th85th15th64th21st73rd426th20th52nd60th26th52nd33rd22nd34th13th86th83rd32nd277th22nd24th13th176th102nd47th1st9th47th16th19th29th11th22nd16th
    Evil Numbers (Long)
    14th 15th7th6th23rd17th13th28th82nd80th 16th 33rd32nd25th31st13th 19th 19th 45th42nd 44th10th39th 66th165th 32nd53rd 38th27th15th28th30th44th47th21st166th20th11th 64th65th 4th11th25th19th 19th10th18th17th
    Factorial Factorisation
    8th3rd 17th 2nd
    Farey Sequence
    4th
    Fibonacci
    93rd19th14th42nd13th7th64th54th42nd101st323rd155th36th35th44th67th85th81st80th75th41st20th75th38th47th73rd29th218th83rd 210th10th64th44th100th216th27th125th63rd52nd220th90th41st28th40th225th190th43rd191st65th58th42nd273rd251st41st5th80th106th23rd36th73rd46th55th29th
    Fizz Buzz
    127th 40th31st1st9th47th12th31st560th59th 38th 56th83rd79th77th67th 103rd 51st79th 284th75th 62nd78th61st 605th1st 38th53rd 48th107th56th18th9th1st367th48th60th69th62nd 137th366th 8th97th176th49th 39th46th57th28th
    Foo Fizz Buzz Bar
    12th 14th29th4th26th 81st128th101st 16th 24th23rd29th26th15th 17th 16th 62nd34th 48th9th19th 147th319th 40th30th 51st26th15th18th42nd75th90th20th874th27th31st 65th61st 5th24th23rd16th 20th11th21st14th
    Forsyth–Edwards Notation
    5th3rd 2nd
    Fractions
    13th5th 349th
    Game of Life
    3rd 13th 40th 62nd 3rd
    Gijswijt’s Sequence
    7th 6th
    Happy Numbers
    16th 12th25th5th19th 31st64th60th46th 34th 23rd25th20th23rd12th 21st 18th 78th36th 66th10th30th 57th214th 29th42nd 37th22nd11th18th33rd30th61st16th322nd16th31st 85th37th 1st8th22nd12th 22nd6th17th16th
    Happy Numbers (Long)
    8th 11th22nd5th21st 21st72nd43rd39th 14th 21st23rd22nd21st11th 12th 16th 41st36th 41st9th26th 42nd118th 24th41st 30th21st10th21st30th23rd31st11th381st18th18th 61st33rd 3rd6th16th14th 15th7th20th14th
    Hexdump
    4th 34th
    Hilbert Curve
    6th5th 4th
    Intersection
    5th 289th
    Inventory Sequence
    8th 10th22nd11th17th 22nd46th35th42nd 12th 19th20th17th18th8th 13th 11th 22nd18th 20th 13th 31st86th 17th23rd 24th21st11th16th24th22nd26th8th241st14th14th 41st25th 3rd6th9th11th 15th7th14th14th
    ISBN
    11th5th25th 30th 23rd 10th 19th 216th 5th
    Jacobi Symbol
    4th4th 41st
    Kaprekar Numbers
    4th 72nd 2nd
    Kolakoski Constant
    8th 8th6th6th16th 28th23rd18th22nd 23rd12th16th16th6th 19th 22nd 20th21st 14th7th 34th64th 15th7th 12th7th6th19th14th12th34th8th145th12th14th 34th13th 7th8th23rd8th 9th4th10th13th
    Kolakoski Sequence
    18th 13th14th11th12th 36th59th35th36th 20th22nd18th17th7th 16th 16th 32nd21st 38th11th 39th123rd 21st33rd 26th13th9th17th28th23rd30th10th315th14th14th 53rd33rd 9th9th12th9th 14th9th18th16th
    Leap Years
    26th 16th4th6th27th 31st55th159th75th 23rd 36th42nd32nd35th25th 38th 38th 84th34th 94th6th31st 170th480th 50th35th 96th50th20th9th11th129th140th23rd322nd28th13th 122nd105th 3rd35th48th22nd 30th16th27th16th
    Levenshtein Distance
    7th3rd 103rd 7th 16th
    Leyland Numbers
    7th 9th6th4th12th 27th28th44th30th 12th 18th14th16th14th12th 12th 11th 24th24th 40th8th28th 37th123rd 25th15th 27th12th9th11th19th22nd38th10th379th13th16th 52nd27th 6th15th11th9th 17th7th14th11th
    ln 2
    5th6th 235th 4th
    Look and Say
    9th 11th10th4th15th11th32nd38th44th36th16th17th15th 19th25th17th13th13th 12th15th 12th 29th26th 34th8th 40th149th14th20th29th 34th20th10th16th44th35th33rd10th94th15th22nd 68th25th 2nd7th10th10th 15th9th11th12th
    Lucky Numbers
    7th 8th11th6th14th 20th40th31st27th 15th 19th15th16th15th9th 10th 11th 71st23rd 29th8th12th 26th87th 13th19th 20th18th7th13th18th17th25th6th251st16th11th 34th23rd 2nd6th10th8th 13th6th9th11th
    Lucky Tickets
    5th 2nd
    Mahjong
    2nd
    Mandelbrot
    2nd 2nd
    Maze
    4th 7th 1st
    Medal Tally
    4th 4th
    Minesweeper
    💎 10th 8th 4th
    Morse Decoder
    6th 7th
    Morse Encoder
    5th7th
    Multitap Input
    2nd2nd 4th
    Musical Chords
    4th 26th42nd11th 18th
    N Queens
    5th 82nd 6th
    Niven Numbers
    25th 20th12th6th27th27th32nd83rd112th50th29th27th34th55th27th39th34th39th24th 30th27th24th27th 62nd46th 88th12th39th33rd105th355th22nd54th53rd 67th40th22nd34th25th71st79th20th47th23rd15th15th126th68th 1st21st41st21st16th31st15th28th19th
    Niven Numbers (Long)
    10th 12th20th5th24th 13th39th66th69th 16th 21st28th23rd27th19th 22nd 17th 42nd40th 37th6th22nd 64th147th 34th45th 46th29th17th26th30th41st43rd18th476th21st31st 68th41st 7th14th26th18th 20th9th23rd15th
    Number Spiral
    6th 8th10th6th14th 30th49th36th29th 22nd10th20th17th8th 12th 10th 24th21st 14th7th30th 32nd85th 9th35th 19th16th5th10th12th16th23rd7th193rd12th11th 37th14th 3rd5th7th6th 13th6th8th11th
    Odious Numbers
    23rd 24th17th6th28th 31st51st98th48th 33rd 43rd38th30th32nd14th 28th24th 26th 68th44th 72nd13th55th25th99th331st 44th58th 51st33rd13th36th15th75th78th22nd159th24th19th 132nd79th 1st9th39th14th 27th10th20th17th
    Odious Numbers (Long)
    12th 16th15th5th23rd 19th61st69th51st 16th 33rd29th23rd30th13th 18th 18th 42nd41st 38th7th35th 61st137th 32nd53rd 42nd27th13th28th30th40th44th21st113th22nd19th 58th49th 5th11th25th18th 19th9th18th16th
    Ordinal Numbers
    10th3rd 1st
    PalindromemordnilaP
    💎 10th 4th
    Pangram Grep
    3rd2nd 39th 21st 70th 239th 49th 30th 563rd 19th 1st33rd42nd 35th
    Partition Numbers
    6th 26th 4th
    Pascal’s Triangle
    9th 8th14th4th21st 32nd77th65th40th 15th 27th21st18th20th13th 18th 14th 44th28th 66th11th64th 52nd223rd 35th42nd 42nd22nd14th87th44th50th48th13th62nd22nd29th 97th52nd 10th12th25th11th 19th9th17th15th
    Pernicious Numbers
    16th 19th25th19th28th 32nd66th71st59th 32nd 32nd39th30th34th21st 28th 24th 55th39th 52nd10th51st 65th189th 38th45th 45th38th17th36th45th50th62nd21st96th21st47th 114th62nd 3rd13th37th19th 28th10th27th20th
    Pernicious Numbers (Long)
    7th 11th16th5th17th 14th32nd41st30th 11th 23rd25th21st20th13th 14th 14th 27th22nd 21st 36th 44th85th 24th36th 23rd24th12th22nd15th24th26th13th122nd14th17th 52nd33rd 2nd8th17th10th 14th6th11th16th
    Poker
    5th 4th5th
    Polyominoes
    4th
    Prime Numbers
    31st 18th16th5th31st 29th30th126th48th 34th 24th35th28th39th15th 32nd 19th 78th21st 119th15th1st 142nd437th 60th60th 97th42nd12th9th28th71st95th26th143rd29th30th 64th90th 1st5th47th13th 30th11th27th18th
    Prime Numbers (Long)
    20th 15th24th5th27th 17th55th84th49th 16th 20th31st27th33rd17th 22nd 21st 49th4th 63rd12th1st 44th189th 41st54th 50th32nd16th20th11th24th38th21st56th27th26th 88th72nd 2nd12th31st12th 20th10th27th15th
    Proximity Grid
    3rd
    QR Decoder
    5th 103rd
    Quine
    1st 7th1st 141st66th 112th 95th 49th 26th 1st 33rd15th5th 290th 86th 1st23rd1st26th1st37th 75th4th13th 70th21st 27th1st 26th 15th
    Recamán
    12th 9th15th8th14th 16th65th51st49th 15th 23rd20th15th16th10th 12th 13th 30th19th 31st9th22nd 42nd137th 23rd22nd 35th22nd9th19th23rd26th37th12th430th16th18th 54th38th 4th6th13th9th 18th9th17th12th
    Repeating Decimals
    5th 108th
    Reverse Polish Notation
    6th5th 87th
    Reversi
    2nd 7th
    Rijndael S-box
    4th4th 60th 2nd
    Rock-paper-scissors-Spock-lizard
    9th 32nd
    Roman to Arabic
    10th9th 34th 15th 3rd 17th
    ROT13
    3rd 5th
    Rule 110
    5th 8th4th4th12th 20th40th40th21st 19th21st17th12th6th 14th 26th18th 27th8th17th 35th109th 19th22nd 30th17th10th12th15th17th32nd10th56th10th14th 50th28th 6th10th9th11th 8th10th14th
    Scrambled Sort
    2nd 13th 18th 144th5th
    Set
    2nd
    Seven Segment
    28th 4th
    SI Units
    3rd 13th 6th
    Sierpiński Triangle
    7th 11th12th5th16th 20th49th42nd23rd 20th21st18th17th11th 17th 12th 33rd19th 32nd10th22nd 42nd138th 26th15th 35th23rd10th15th29th26th42nd9th338th14th12th 50th34th 16th12th15th10th 17th7th15th13th
    Smith Numbers
    9th 9th10th6th16th 26th40th37th33rd 13th 16th16th16th16th7th 10th 10th 23rd15th 21st8th21st 34th77th 16th17th 15th19th10th14th16th17th18th10th102nd12th12th 49th23rd 5th4th11th8th 12th6th11th12th
    Spelling Numbers
    5th 87th 4th
    Star Wars GPT
    2nd 88th
    Star Wars Opening Crawl
    5th
    Sudoku
    3rd 81st
    Sudoku (Fill-in)
    2nd 68th
    Ten-pin Bowling
    4th 16th
    Tic-tac-toe
    3rd 74th 13th
    Time Distance
    5th
    Tongue-twisters
    11th 14th9th8th14th 36th48th57th43rd 20th 22nd21st18th17th16th 16th 13th 35th20th 19th12th16th 52nd190th 21st12th 36th20th10th17th29th26th54th9th382nd14th22nd 52nd31st 10th24th13th10th 20th8th12th15th
    Topological Sort
    🦄 6th
    Tower of Hanoi
    12th 26th11th40th31st 14th 19th 23rd29th 29th 40th
    Transpose Sentence
    2nd 93rd 3rd
    Trinomial Triangle
    2nd
    United States
    6th 28th 7th
    Vampire Numbers
    12th 9th6th3rd13th 27th39th40th28th 19th 16th14th11th10th6th 10th 10th 27th15th 19th9th16th 33rd83rd 13th11th 20th17th6th10th10th9th25th10th232nd10th8th 44th19th 6th6th8th6th 12th4th8th10th
    Van Eck Sequence
    8th 11th16th11th16th 25th50th43rd39th 17th 19th16th18th18th7th 12th 11th 28th24th 23rd8th26th 36th107th 20th27th 26th21st10th17th 23rd27th10th 15th15th 49th29th 8th8th13th9th 15th10th17th11th
    Zeckendorf Representation
    2nd4th 79th
    Zodiac Signs
    5th5th 13th 84th
    γ
    3rd 3rd
    λ
    11th 11th3rd8th17th 48th34th25th25th 9th 34th12th18th20th6th 27th 25th 31st25th 16th11th 41st99th 21st8th 16th12th7th28th12th15th43rd9th145th15th16th 33rd17th 6th12th30th7th6th10th6th11th17th
    π
    13th 13th9th9th8th16th66th65th52nd35th 40th15th24th23rd8th 31st 32nd 49th37th 33rd12th 86th214th 92nd9th 20th12th6th24th53rd18th69th11th470th19th19th 51st21st 5th9th14th9th7th9th6th9th21st
    τ
    12th 10th6th8th6th 44th30th30th24th 33rd13th20th18th8th 22nd 20th 37th27th 19th10th 52nd113th 78th9th 14th9th6th20th42nd14th43rd10th278th15th22nd 40th14th 5th9th8th9th6th9th6th9th17th
    φ
    13th 9th7th7th6th 41st28th30th23rd 42nd15th23rd22nd8th 23rd 22nd 46th34th 30th9th 48th94th 74th8th 16th8th6th20th39th17th41st14th357th14th26th 48th17th 5th9th10th10th6th12th5th10th17th
    √2
    20th 9th5th7th17th 41st33rd38th25th 35th15th23rd23rd8th 27th 23rd 52nd29th 50th9th 71st107th 62nd7th 13th8th6th21st39th12th47th14th524th7th20th 47th15th 5th10th35th10th6th14th6th9th17th
    𝑒
    14th 13th12th12th7th 55th51st39th35th 36th16th27th23rd10th 25th 26th 43rd30th 33rd13th 55th113th 75th12th 37th12th5th27th41st54th48th13th404th40th15th 89th26th 5th8th12th10th6th11th7th12th20th