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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?

    Lydxn 🇨🇦

    93,235
    92,097
    💎313
    🥇2,318
    🥈273
    🥉224

    96 / 126 Holes

    🔣

    54 / 64 Langs

    🏆

    62 / 109 Cheevos

    📅

    4 Holes Authored

    1 Referral

    12 Days of Christmas
    283rd 162nd 254th
    99 Bottles of Beer
    25th281st381st 18th 336th 267th7th 255th 3rd 969th
    Abundant Numbers
    284th153rd239th363rd 19th40th52nd 1,053rd336th132nd 93rd265th277th293rd208th 268th241st147th49th54th 194th45th155th22nd2nd116th162nd315th272nd50th86th20th270th5th354th36th 9th87th 139th288th 191st 221st367th
    Abundant Numbers (Long)
    317th209th358th424th 52nd127th 284th 60th 89th351st238th306th353rd 454th324th242nd1st100th 243rd84th166th37th3rd156th262nd714th548th56th128th 22nd467th33rd 50th133rd 265th330th 398th 310th
    Arabic to Roman
    145th23rd 78th 309th 248th 72nd2nd 313th
    Arithmetic Numbers
    228th 68th 7th 17th
    Arrows
    59th74th129th 20th 50th 66th 375th27th40th 4th 15th 37th
    Ascending Primes
    36th 91st 54th 76th 39th 64th 12th 200th
    ASCII Table
    252nd 25th 118th 2nd 655th 15th
    brainfuck
    33rd 308th 2nd 217th
    Catalan Numbers
    1st 294th 287th 189th329th305th405th397th393rd369th 526th12th218th 1,053rd140th192nd 217th 186th318th30th 111th 116th 363rd 591st
    Catalan’s Constant
    85th 69th 83rd 70th84th 97th146th3rd 79th 53rd 158th
    Christmas Trees
    101st25th160th 77th 22nd159th118th 67th 1,130th7th34th 43rd120th 192nd49th38th95th 15th 102nd 13th 195th 121st
    Collatz
    166th125th365th254th 32nd82nd67th371st 84th 203rd334th241st291st 502nd 554th💎459th 318th86th4th363rd 309th 517th93rd88th483rd 34th487th234th 37th267th 463rd 346th 479th
    CSS Colors
    447th 151st 449th102nd 1st 45th 63rd 160th 141st
    Cubes
    9th 40th
    Day of Week
    636th 292nd200th435th 239th 360th549th515th751st537th 363rd 1,061st109th 399th 581st660th229th1st756th64th254th433rd 171st
    Diamonds
    166th 55th 31st 25th 92nd 17th41st 53rd82nd 135th363rd37th 2nd 70th 12th 108th
    Divisors
    2,388th892nd814th 168th191st 712th1,735th2,069th257th 414th1,185th832nd805th819th 913th 472nd 212th1st795th3,737th148th954th250th 924th1,050th947th181st 393rd1,200th36th312th28th 166th324th 984th1,075th 1,060th 771st
    Emirp Numbers
    41st355th 223rd564th 50th54th113th 96th273rd75th 67th183rd156th115th127th423rd220th259th208th 84th 188th1,022nd42nd65th 110th151st250th823rd713th66th19th134th9th169th16th 14th105th940th 76th271st767th181st 176th269th
    Emirp Numbers (Long)
    39th 59th 36th 28th46th 44th 14th 20th
    Emojify
    86th58th74th 29th 39th 162nd 286th22nd35th 71st 37th46th 4th 241st 18th
    Evil Numbers
    2,083rd490th412th559th604th 233rd357th397th547th566th906th403rd458th385th645th587th572nd566th490th652nd553rd427th39th398th192nd435th374th186th351st1st407th438th734th653rd344th346th232nd574th48th545th229th 219th378th671st642nd419th627th1,785th486th 612th882nd
    Evil Numbers (Long)
    582nd331st528th605th 301st274th285th355th384th 268th362nd254th563rd393rd601st626th577th599th434th427th35th326th85th571st314th108th265th1st323rd438th603rd548th252nd296th242nd474th44th383rd105th 117th569th 632nd421st538th 506th 511th
    Farey Sequence
    206th 124th101st95th 48th 192nd147th 177th 732nd31st 110th 3rd
    Fibonacci
    220th846th404th1,187th2,295th 361st443rd643rd1,090th3,516th2,772nd838th996th386th1,883rd1,110th2,016th954th4,711th963rd1,081st800th1st410th 2,784th485th228th510th2,031st525th848th2,201st1,978th376th379th368th1,845th56th747th47th 354th 1,189th2,104th2,123rd 973rd2,253rd1,878th2,688th
    Fizz Buzz
    4,889th775th635th1,538th1,188th 483rd2,058th756th1,224th1,269th 744th1,164th685th1,252nd1,221st1,199th1,152nd 2,000th 732nd4,922nd676th 1,236th583rd23rd671st 656th754th1,622nd2,704th3,161st503rd426th3,808th3rd1,557th462nd 461st664th 1,868th688th1,864th 1,804th3,164th1,241st
    Foo Fizz Buzz Bar
    456th 741st 122nd 317th 441st 241st 427th133rd283rd170th 304th 1,423rd137th388th789th2nd 110th 174th 325th
    Forsyth–Edwards Notation
    58th 117th 12th 8th 2nd 140th 18th
    Fractions
    258th 170th700th187th 198th 292nd 428th 230th 733rd130th179th 204th279th 225th 140th 10th 313th
    Game of Life
    91st 24th
    Gijswijt’s Sequence
    143rd 22nd 27th 32nd 58th 332nd19th 219th 128th15th46th 6th 11th 26th
    Happy Numbers
    67th198th 216th681st 73rd89th153rd 155th305th111th 78th246th217th187th146th497th183rd243rd121st5th120th 131st132nd86th68th1st138th143rd265th269th63rd77th52nd166th6th222nd240th 34th139th 472nd103rd264th774th141st 163rd301st
    Happy Numbers (Long)
    176th 352nd393rd 84th91st 64th 66th208th216th190th 334th447th156th💎 204th107th18th60th27th492nd206th 761st104th 3rd291st308th 11th171st 258th190th 462nd 199th
    Hexdump
    34th 356th 3rd 99th
    Intersection
    70th 15th 76th 36th
    Inventory Sequence
    50th223rd151st 71st79th118th 42nd 47th173rd 214th196th1st114th 295th821st80th76th 107th 245th530th98th210th 18th 138th 139th 151st
    ISBN
    40th 88th 228th 145th 665th14th61st 125th 524th 13th 38th 18th 268th
    Jacobi Symbol
    11th 16th 6th 231st
    Kolakoski Constant
    31st 77th 121st
    Kolakoski Sequence
    26th278th53rd 453rd 61st122nd 743rd79th 126th275th265th 214th 90th107th 983rd32nd232nd1st186th295th 450th205th318th 63rd 44th194th 212th 237th
    Leap Years
    1,036th967th333rd461st 53rd71st176th263rd1,381st2,936th151st641st56th414th321st199th225th888th498th204th219th1st137th 748th75th78th68th166th73rd160th456th359th42nd194th15th353rd11th157th6th 51st741st 1,132nd164th343rd 221st 311th
    Levenshtein Distance
    472nd 88th175th 215th 26th 5th60th 47th 284th
    Leyland Numbers
    81st 124th 62nd182nd 239th 71st 4th 78th 68th
    ln 2
    231st 151st 227th247th 209th222nd 633rd137th77th 3rd 149th397th28th 374th 179th
    Look and Say
    941st 76th 111th187th 22nd192nd 10th 13th148th64th 124th
    Lucky Numbers
    96th 61st92nd104th 73rd 64th 128th 556th50th 383rd 13th 31st
    Lucky Tickets
    47th 211th 114th 36th 173rd 9th 170th 326th
    Maze
    70th 22nd
    Medal Tally
    65th 21st
    Morse Decoder
    26th 47th 11th
    N Queens
    11th 3rd 7th
    Niven Numbers
    221st622nd786th941st1,024th 263rd323rd444th607th823rd1,303rd384th1,827th289th919th731st802nd729th1,448th867th860th710th1st333rd 619th359th72nd284th4th 552nd1,031st1,023rd213th309th205th829th8th613th54th 194th404th 972nd547th789th2,560th652nd 758th1,274th
    Niven Numbers (Long)
    249th529th511th621st 235th218th230th966th1,060th 193rd 150th521st473rd918th482nd617th642nd532nd454th1,075th260th 374th228th57th169th 233rd422nd624th630th117th202nd166th489th34th292nd21st 73rd318th 739th405th444th 475th 420th
    Number Spiral
    27th 69th 13th 137th
    Odious Numbers
    1,882nd326th303rd416th831st 224th254th301st659th430th772nd270th346th242nd549th453rd479th430th1,009th553rd411th327th37th265th149th312th261st235th229th1st274th320th697th526th226th228th198th439th46th331st185th 188th279th561st544th306th869th2,045th368th 481st733rd
    Odious Numbers (Long)
    267th277th484th573rd 272nd225th365th335th375th 218th301st206th515th349th546th691st517th543rd417th411th35th294th129th502nd258th154th203rd1st269th424th565th495th201st224th190th394th44th277th374th 164th533rd 590th343rd474th 435th 454th
    Ordinal Numbers
    399th 164th 1,013th45th 172nd 149th 195th 108th 230th 122nd2nd
    Pangram Grep
    114th 372nd 109th329th 1st155th 1,204th27th323rd 337th552nd 753rd 416th9th 37th 198th
    Pascal’s Triangle
    187th327th381st 137th149th173rd231st580th 123rd 226th 348th595th354th 344th 223rd 1st314th1,615th169th141st1st 308th396th120th196th131st217th316th53rd155th75th 91st175th 289th478th 316th 337th
    Pernicious Numbers
    613th387th806th1,069th 271st354th531st588th1,141st1,084th334th775th247th842nd709th778th730th1,195th889th994th679th1st 124th460th478th180th324th26th 559th900th862nd219th298th150th761st40th673rd110th 505th432nd1,203rd832nd412th601st1,743rd 648th1,042nd
    Pernicious Numbers (Long)
    426th237th324th325th 128th164th184th161st192nd 117th 72nd309th268th307th335th230th357th252nd320th 1st279th176th82nd131st1st169th328th358th470th112th150th410th188th38th238th35th 96th197th 395th215th301st 291st 304th
    Prime Numbers
    370th541st794th691st912th 249th356th417th589th602nd974th420th942nd489th706th620th610th551st254th742nd998th512th221st330th1st557th782nd178th374th1st 522nd761st745th316th690th309th571st122nd496th222nd 238th405th716th1,792nd503rd689th2,137th595th2,089th656th961st
    Prime Numbers (Long)
    362nd546th 712th811th 366th391st 407th742nd 713th623rd684th818th172nd787th719th557th110th420th1st670th430th198th374th1st518th637th760th975th494th622nd371st655th112th395th167th 327th451st 830th983rd 725th 593rd
    Proximity Grid
    54th 16th 244th
    QR Decoder
    20th
    Quine
    1st4,159th273rd 2,056th2,179th545th1,456th1,589th3,037th 2,019th649th1,693rd1,916th 1,797th4,076th4,851st615th 152nd732nd 3,916th243rd1,518th1st1,334th1,734th1,938th1,774th547th3,060th4,029th1,871st169th2,063rd603rd 476th3,586th3,381st1,822nd2,281st1,759th 2,153rd 2,602nd
    Recamán
    142nd 268th134th102nd 61st 1,022nd24th80th 86th149th 6th 126th
    Repeating Decimals
    39th 13th 36th
    Reverse Polish Notation
    146th 177th 1st 66th 152nd 53rd 77th
    Rijndael S-box
    Rock-paper-scissors-Spock-lizard
    13th 17th 3rd 212th
    Roman to Arabic
    97th107th156th 100th 138th 196th339th 70th 202nd 164th 556th67th118th 151st275th 121st564th182nd157th 23rd2nd95th 319th
    ROT13
    10th 111th
    Rule 110
    25th 30th106th 17th37th 4th 60th 39th 156th
    Seven Segment
    83rd 92nd 25th29th 109th 5th 14th 218th
    Sierpiński Triangle
    96th 69th 30th60th88th 132nd 40th135th142nd 726th15th 115th 252nd44th63rd200th7th 113th 149th 80th
    Smith Numbers
    16th 4th 7th
    Spelling Numbers
    1st 233rd 64th 127th
    Star Wars Opening Crawl
    20th 9th
    Sudoku
    307th 285th
    Sudoku (Fill-in)
    41st 15th
    Time Distance
    393rd 85th
    Tongue-twisters
    861st 474th 4th 887th17th 176th 346th
    Transpose Sentence
    398th 42nd 81st 207th
    United States
    27th 4th9th
    Vampire Numbers
    17th 435th 407th 37th 77th
    Van Eck Sequence
    291st 84th119th149th 98th 328th237th204th 208th1st152nd 824th36th268th 124th176th 264th80th 13th427th 60th 184th
    Zodiac Signs
    185th 14th 26th 5th 24th
    γ
    66th 62nd1st 55th 82nd 825th
    λ
    24th 35th 18th 187th 1,929th
    π
    127th 112th284th252nd 136th140th 158th 162nd 735th72nd7th 162nd 109th256th57th 414th 79th 279th
    τ
    162nd 90th352nd223rd 161st171st 191st 230th 619th92nd15th 126th 224th7th 404th 54th 294th
    φ
    284th 265th505th 446th331st301st310th 363rd1st235th171st 965th128th69th 46th 377th13th 8th 114th 232nd 429th
    √2
    297th 202nd 471st389th352nd354th 322nd💎269th390th 1,197th188th138th 108th 427th4th 134th 179th 255th 364th
    𝑒
    287th 211th751st408th330th351st282nd315th 389th💎468th2nd 943rd179th20th 241st 369th414th70th 358th 170th 441st