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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?

    lynn (she/her)

    116,281
    112,870
    💎70
    🥇569
    🥈182
    🥉222

    124 / 126 Holes

    🔣

    48 / 64 Langs

    🏆

    68 / 109 Cheevos

    📅

    1 Hole Authored

    9 Referrals

    12 Days of Christmas
    691st 33rd 263rd 672nd100th 740th 238th 405th 806th 71st 262nd1,746th
    24 Game
    143rd 271st 43rd
    99 Bottles of Beer
    410th 139th 195th 591st 390th 248th 465th 549th371st 263rd 3,404th 2,299th
    Abundant Numbers
    1,225th 1,161st 1st97th 532nd 522nd 68th 911th 2,467th 1,521st711th 507th391st 1,447th1,544th3,638th
    Abundant Numbers (Long)
    424th 1st118th 401st 1,295th 197th 154th
    Arabic to Roman
    21st 730th 293rd 715th 821st439th70th 386th108th 602nd1,014th
    Arithmetic Numbers
    22nd224th 99th 659th
    Arrows
    143rd 73rd262nd 213th 148th 82nd417th 24th 289th 175th28th 49th215th 376th
    Ascending Primes
    90th86th 18th 400th
    ASCII Table
    28th 135th 16th91st 268th 546th 193rd 359th3rd 303rd120th 624th 1,738th
    Billiards
    65th 52nd 102nd
    brainfuck
    1,353rd 198th 52nd436th 695th 169th 74th 64th 758th
    Card Number Validation
    190th 169th
    Catalan Numbers
    199th 421st 12th254th 26th 1,288th 1,278th 42nd 126th796th1,059th
    Catalan’s Constant
    277th 3rd989th 164th 207th 602nd
    Christmas Trees
    163rd 1st91st 365th 273rd 311th 855th324th 154th122nd 243rd2,143rd
    Collatz
    348th 37th558th 67th179th 966th 477th 339th
    Continued Fractions
    170th
    CSS Colors
    418th382nd 385th897th336th 339th 248th478th 259th211th 415th384th 350th394th368th 353rd317th63rd1,037th151st 310th 363rd253rd
    Cubes
    106th 18th195th 333rd 560th 75th 134th237th 323rd 1,111th 202nd27th
    Day of Week
    304th 914th698th 417th 989th 1st 65th 986th
    DFA Simulator
    142nd173rd 41st
    Diamonds
    101st 147th 18th73rd 608th 179th 433rd 315th21st 159th 428th1,400th
    Divisors
    2,253rd 2,076th 962nd 677th493rd 1st 703rd 2,214th 1,466th 747th 3,306th1,498th28th 2,563rd418th590th3,019th 1,478th4,660th
    Emirp Numbers
    58th 428th 635th 300th 97th307th 367th 238th358th 35th212th 319th 950th 910th
    Emirp Numbers (Long)
    29th264th 144th 1,101st 354th
    Emojify
    129th147th 270th 151st 216th
    Evil Numbers
    1,086th 717th 1,262nd 39th506th 193rd 1st 904th 954th 608th48th 405th459th 800th 1,887th1,213th3,292nd
    Evil Numbers (Long)
    276th 35th344th 1,339th 516th44th
    Factorial Factorisation
    70th 127th
    Farey Sequence
    25th329th 420th
    Fibonacci
    770th461st 5,420th 2,955th 1,081st 4,085th 1st428th 2,992nd 233rd2,031st528th2,046th 543rd 2,222nd 2,802nd3,367th 1,921st46th 219th1,191st745th4,320th 4,687th1,100th8,626th
    Fizz Buzz
    6,189th12,964th6,049th13,008th2,431st4,284th2,528th12,498th 1,521st4,384th3,401st 1,493rd 12,249th12,631st5,668th1st1,343rd9,153rd7,669th7,287th137th719th2,533rd4,694th 2,681st4,996th2,650th11,277th1,369th619th26th4,726th62nd 3,138th539th1,336th5,290th 12,705th7,011th6,648th3,515th9,753rd3,554th
    Foo Fizz Buzz Bar
    591st 494th447th 2,036th 733rd 558th 523rd1,274th9th 471st1,411th
    Forsyth–Edwards Notation
    38th93rd 782nd 271st
    Fractions
    572nd 466th 1st309th 767th 547th 460th652nd 10th627th 1,344th
    Game of Life
    119th 200th 783rd
    Gijswijt’s Sequence
    108th 360th61st 411th 117th 403rd7th 459th193rd 199th122nd
    Happy Numbers
    539th 688th993rd 851st 387th 123rd164th 781st 1st 672nd 1,303rd 443rd338th32nd 103rd239th 1,216th 1,134th902nd2,568th
    Happy Numbers (Long)
    329th 56th114th 457th 16th 541st 1,008th 434th617th
    Hexdump
    296th 142nd169th 228th 42nd 432nd
    Hilbert Curve
    29th
    Intersection
    666th 242nd 2nd70th 13th 931st 485th 1,113th 813th245th 155th 464th
    Inventory Sequence
    158th 300th 1st254th 455th 35th 492nd
    ISBN
    417th 522nd149th 32nd 55th 452nd 235th 637th
    Jacobi Symbol
    377th 13th 204th 370th 171st
    Kaprekar Numbers
    278th 385th
    Kolakoski Constant
    343rd 124th 8th 440th 358th 620th 839th576th1,024th774th
    Kolakoski Sequence
    745th 91st 112th 1st 434th 718th286th 390th 1,244th
    Leap Years
    830th94th 907th 242nd 169th162nd 66th 497th696th1,340th187th 464th 855th 20th564th407th 2,594th720th784th 352nd1,830th 3,335th
    Levenshtein Distance
    135th 446th 246th 783rd 1,066th 87th 597th 3rd390th 457th632nd
    Leyland Numbers
    604th 281st 254th148th 5th 519th 650th 320th25th 472nd 724th1,082nd
    ln 2
    152nd 464th213th 563rd 3rd 28th
    Look and Say
    1,462nd 279th 321st103rd 580th 171st256th57th 613th 11th 372nd436th 707th 573rd1,143rd
    Lucky Numbers
    129th 219th 306th70th 220th 30th 254th 971st
    Lucky Tickets
    191st 11th123rd 53rd 342nd 184th13th 283rd351st686th
    Mahjong
    208th
    Mandelbrot
    150th 254th
    Maze
    8th172nd
    Medal Tally
    287th88th 194th 243rd
    Minesweeper
    163rd
    Morse Decoder
    251st 147th241st 194th 301st240th
    Morse Encoder
    258th 122nd 34th 339th 254th 233rd 217th
    Multitap Input
    53rd
    Musical Chords
    366th152nd 122nd 32nd 74th 207th 53rd 129th
    N Queens
    41st 298th
    Niven Numbers
    1,041st424th 1,552nd461st 279th1,083rd 874th 1st398th 2,026th3,077th123rd 1st 376th562nd1,227th 1,749th 1,734th988th50th 586th1,195th515th 1,736th 602nd2,594th789th2,237th
    Niven Numbers (Long)
    219th 723rd 20th324th 1st 747th 57th 90th571st
    Number Spiral
    123rd 406th 95th 75th 14th 2nd 86th 185th 297th 596th 503rd
    Odious Numbers
    879th600th 566th 1,136th 37th462nd 150th 1st 791st 818th 1,415th 491st46th 1,974th 270th 685th 2,133rd770th2,842nd
    Odious Numbers (Long)
    398th 35th296th 1,308th 425th44th
    Ordinal Numbers
    885th 445th 828th 938th 854th 991st280th 780th 629th3rd 1,188th1,262nd
    PalindromemordnilaP
    104th 125th
    Pangram Grep
    1,608th 166th 434th 1st189th 93rd 610th 1,359th 1,119th74th 156th 258th 1,630th
    Partition Numbers
    223rd 291st
    Pascal’s Triangle
    413th 755th 497th 126th212th 1st 1st 538th2,513th 835th53rd 1,040th 296th 1,202nd705th1,641st
    Pernicious Numbers
    289th396th 1,140th370th 265th917th 788th 758th1st473rd 110th2,124th160th 538th 561st974th 237th331st136th836th40th 199th544th475th 1,204th 955th2,000th 2,162nd
    Pernicious Numbers (Long)
    221st 558th504th 1st 746th 34th 237th
    Poker
    155th 176th 246th151st 221st 131st 274th
    Polyominoes
    22nd
    Prime Numbers
    1,207th511th 2,022nd 961st 788th345th 1st 1st 392nd 1,818th 665th122nd 241st416th 920th 2,261st 2,211th
    Prime Numbers (Long)
    636th 511th 551st416th 1st 1st 960th 698th221st 765th468th
    Proximity Grid
    131st
    QR Decoder
    175th 254th 94th142nd 157th 300th
    Quine
    1st 275th 4,318th1,458th 2,904th652nd3,509th 1,798th1,730th 1,631st153rd735th 3,926th245th 1,520th 1,336th 1,941st1,775th550th 1,885th170th 1,438th 3,402nd 5,348th2,154th
    Recamán
    293rd 665th141st 927th 266th 600th374th 978th 646th979th
    Repeating Decimals
    125th 255th 43rd
    Reverse Polish Notation
    339th 1st134th 491st 189th 93rd 295th
    Reversi
    231st
    Rijndael S-box
    185th 259th
    Rock-paper-scissors-Spock-lizard
    151st 133rd 724th 274th 82nd 239th243rd 430th
    Roman to Arabic
    476th 70th228th 643rd 526th 609th 865th108th 403rd 662nd
    ROT13
    289th 113th 11th 140th 302nd
    Rule 110
    556th 90th 167th 97th 275th 454th 338th 316th29th 433rd
    Scrambled Sort
    195th 31st 245th
    Set
    182nd 24th
    Seven Segment
    1,208th 293rd 60th 283rd 212th 227th 658th143rd 210th
    SI Units
    107th 137th 360th
    Sierpiński Triangle
    522nd 440th 249th 85th 257th 257th 256th 466th155th 368th 814th
    Smith Numbers
    259th 182nd 327th 630th 1,016th308th 596th
    Spelling Numbers
    1st 219th 130th 380th 227th 521st 253rd 360th619th
    Star Wars GPT
    100th 5th 167th
    Star Wars Opening Crawl
    252nd 101st 87th 60th 186th 221st 96th 299th 38th 300th
    Sudoku
    95th 111th 106th 233rd 129th 182nd
    Sudoku (Fill-in)
    256th 88th 69th 77th 209th
    Ten-pin Bowling
    436th 505th 267th 110th398th 191st 126th 266th 369th 473rd
    Tic-tac-toe
    296th 299th
    Time Distance
    19th54th 154th
    Tongue-twisters
    602nd 946th375th 606th 282nd 476th 351st 866th 337th 803rd285th 138th 758th 444th581st
    Topological Sort
    42nd
    Transpose Sentence
    269th 1st148th 31st 442nd192nd
    Trinomial Triangle
    9th123rd 13th
    United States
    209th 428th 262nd2nd
    Vampire Numbers
    682nd 115th 388th22nd 431st 259th 281st105th 511th 938th
    Van Eck Sequence
    1,263rd233rd 424th 1st159th 432nd 489th 177th13th 853rd 816th
    Zeckendorf Representation
    146th 423rd 63rd
    Zodiac Signs
    185th 37th336th 47th
    γ
    270th 1st 177th 863rd
    λ
    305th 315th144th 1,510th1,486th 1,283rd 217th 1,207th238th 476th 252nd191st
    π
    888th 392nd 140th342nd 4th 23rd2,392nd 644th 197th 480th115th 1,481st 1,652nd1,557th
    τ
    373rd 350th 4th 1,455th 570th 139th 578th216th 1,017th 1,102nd1,052nd
    φ
    198th 383rd 305th253rd 162nd 100th1,634th 869th 15th 670th38th 1,160th 1,385th1,188th
    √2
    225th 406th 310th 459th 570th1,895th 806th 13th 766th40th 1,392nd 1,586th1,420th
    𝑒
    793rd 245th 318th 443rd 1st 19th2,228th 526th 225th 1,054th69th 1,417th 1,486th1,488th