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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 🇨🇦

    93,237
    92,098
    💎315
    🥇2,317
    🥈271
    🥉226

    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
    25th281st380th 18th 336th 267th7th 255th 3rd 969th
    Abundant Numbers
    284th153rd239th363rd 19th40th52nd 1,054th336th132nd 93rd265th277th293rd208th 269th241st147th49th54th 194th45th155th22nd2nd116th162nd315th273rd50th86th20th271st5th354th36th 9th87th 139th288th 191st 221st366th
    Abundant Numbers (Long)
    317th209th358th424th 52nd127th 284th 60th 89th351st238th306th353rd 454th324th242nd1st100th 243rd75th166th37th3rd157th262nd718th549th56th128th 22nd469th33rd 50th133rd 265th330th 398th 310th
    Arabic to Roman
    146th23rd 79th 310th 244th 72nd2nd 314th
    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
    253rd 25th 117th 2nd 658th 15th
    brainfuck
    33rd 309th 2nd 217th
    Catalan Numbers
    1st 295th 288th 190th330th306th406th398th394th370th 527th12th219th 1,055th141st193rd 218th 187th319th30th 112th 117th 364th 592nd
    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
    157th122nd351st245th 32nd79th64th357th 81st 194th320th232nd277th 491st 542nd💎446th 304th83rd4th349th 295th 506th90th85th472nd 34th476th225th 448th258th 452nd 332nd 468th
    CSS Colors
    447th 151st 449th102nd 1st 45th 63rd 160th 141st
    Cubes
    9th 40th
    Day of Week
    637th 294th202nd437th 241st 362nd550th517th753rd539th 365th 1,062nd110th 401st 582nd661st231st1st758th65th256th435th 173rd
    Diamonds
    166th 55th 31st 25th 92nd 17th41st 53rd82nd 135th363rd37th 2nd 70th 12th 108th
    Divisors
    2,389th894th816th 168th191st 714th1,737th2,070th258th 415th1,188th834th807th821st 915th 472nd 212th1st797th3,738th148th956th251st 926th1,054th949th181st 394th1,203rd36th313th28th 166th325th 987th1,079th 1,064th 773rd
    Emirp Numbers
    41st356th 223rd566th 50th54th113th 96th273rd75th 67th183rd156th115th127th425th220th259th208th 84th 188th1,023rd42nd65th 110th151st250th825th715th66th19th134th9th169th16th 14th105th942nd 76th271st769th181st 176th269th
    Emirp Numbers (Long)
    39th 59th 36th 28th46th 44th 14th 20th
    Emojify
    86th58th73rd 29th 39th 162nd 286th22nd35th 71st 37th46th 4th 241st 18th
    Evil Numbers
    2,086th490th412th559th604th 234th357th397th547th566th906th403rd458th385th645th587th572nd566th490th652nd553rd427th39th398th193rd435th374th187th351st1st407th438th734th653rd344th346th233rd574th48th545th230th 220th378th671st642nd419th627th1,774th486th 612th882nd
    Evil Numbers (Long)
    582nd331st528th605th 301st274th285th355th384th 268th362nd254th563rd393rd601st626th577th599th434th427th35th326th85th571st314th108th265th1st323rd438th603rd538th252nd296th242nd474th44th383rd105th 117th569th 632nd421st545th 506th 511th
    Farey Sequence
    206th 124th101st95th 48th 192nd147th 177th 732nd31st 110th 3rd
    Fibonacci
    221st848th405th1,189th2,297th 362nd444th644th1,091st3,517th2,774th840th997th387th1,885th1,111th2,018th955th4,715th964th1,082nd802nd1st411th 2,786th486th229th511th2,033rd526th850th2,203rd1,980th377th380th369th1,847th56th749th47th 355th 1,191st2,106th2,125th 974th2,255th1,880th2,690th
    Fizz Buzz
    4,890th775th635th1,538th1,188th 483rd2,058th756th1,224th1,269th 744th1,164th685th1,252nd1,221st1,199th1,152nd 2,000th 732nd4,923rd676th 1,236th583rd23rd671st 656th754th1,622nd2,705th3,162nd503rd426th3,809th3rd1,557th462nd 461st664th 1,868th688th1,864th 1,804th3,165th1,241st
    Foo Fizz Buzz Bar
    457th 741st 123rd 317th 442nd 242nd 427th134th283rd171st 304th 1,424th138th388th789th2nd 110th 175th 325th
    Forsyth–Edwards Notation
    59th 117th 12th 8th 2nd 140th 18th
    Fractions
    258th 170th702nd187th 198th 292nd 428th 230th 736th130th179th 204th279th 225th 140th 10th 313th
    Game of Life
    93rd 25th
    Gijswijt’s Sequence
    144th 22nd 27th 32nd 58th 333rd19th 219th 119th15th46th 6th 11th 26th
    Happy Numbers
    67th199th 217th742nd 73rd89th154th 156th304th111th 78th246th218th188th147th497th184th243rd121st5th120th 132nd133rd86th68th1st139th144th265th269th63rd77th52nd167th6th223rd241st 34th140th 472nd103rd264th774th142nd 164th300th
    Happy Numbers (Long)
    176th 352nd393rd 84th91st 64th 66th208th216th190th 333rd448th156th💎 204th107th18th60th27th493rd206th 763rd104th 3rd291st308th 11th171st 258th190th 462nd 199th
    Hexdump
    34th 356th 3rd 99th
    Intersection
    70th 15th 76th 36th
    Inventory Sequence
    52nd228th157th 72nd80th121st 43rd 49th178th 219th202nd1st117th 289th830th81st77th 108th 250th543rd99th215th 18th 141st 142nd 157th
    ISBN
    40th 88th 228th 145th 666th14th61st 125th 526th 13th 38th 18th 268th
    Jacobi Symbol
    11th 16th 6th 231st
    Kolakoski Constant
    31st 77th 121st
    Kolakoski Sequence
    26th278th53rd 453rd 61st122nd 744th79th 126th275th265th 214th 90th107th 983rd32nd232nd1st186th295th 450th205th318th 63rd 44th194th 212th 237th
    Leap Years
    1,042nd972nd333rd464th 53rd71st165th262nd1,390th2,947th151st649th56th415th318th198th224th893rd468th203rd218th1st137th 754th75th78th68th167th73rd160th459th360th42nd193rd15th354th11th157th6th 51st747th 1,140th164th344th 220th 310th
    Levenshtein Distance
    473rd 88th176th 216th 26th 5th60th 47th 285th
    Leyland Numbers
    81st 124th 62nd182nd 239th 71st 4th 78th 68th
    ln 2
    233rd 152nd 229th249th 210th224th 634th138th77th 3rd 150th398th28th 375th 180th
    Look and Say
    942nd 76th 111th187th 22nd192nd 10th 13th148th64th 124th
    Lucky Numbers
    96th 61st92nd104th 73rd 64th 128th 558th50th 384th 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
    221st622nd786th944th1,026th 263rd323rd444th607th823rd1,307th384th1,832nd289th921st731st802nd729th1,451st868th861st710th1st333rd 619th359th72nd284th4th 552nd1,033rd1,025th213th309th205th830th8th613th54th 194th404th 943rd547th789th2,564th652nd 758th1,276th
    Niven Numbers (Long)
    249th529th511th621st 235th218th230th972nd1,062nd 193rd 150th521st473rd921st482nd617th642nd532nd454th1,076th260th 374th228th57th169th 233rd422nd624th630th117th202nd166th489th34th292nd21st 73rd318th 740th405th444th 475th 420th
    Number Spiral
    27th 69th 13th 244th
    Odious Numbers
    1,885th326th303rd416th833rd 224th254th301st659th430th772nd270th346th242nd549th453rd479th430th1,011th553rd411th327th37th265th150th312th261st235th229th1st274th320th697th516th226th228th199th439th46th331st186th 189th279th561st544th306th870th2,048th368th 481st733rd
    Odious Numbers (Long)
    267th277th484th573rd 272nd225th365th335th375th 218th301st206th515th349th546th691st517th543rd417th411th35th294th130th502nd258th155th203rd1st269th424th565th485th201st224th190th394th44th277th374th 165th533rd 590th343rd474th 435th 454th
    Ordinal Numbers
    400th 164th 1,013th45th 172nd 149th 195th 108th 231st 122nd2nd
    Pangram Grep
    114th 372nd 109th329th 1st155th 1,205th27th323rd 337th552nd 754th 416th9th 37th 198th
    Pascal’s Triangle
    187th329th383rd 137th149th173rd231st582nd 123rd 226th 350th597th356th 346th 223rd 1st316th1,617th169th141st1st 310th398th120th196th131st217th318th53rd155th75th 91st175th 291st479th 318th 339th
    Pernicious Numbers
    613th387th806th1,069th 271st354th531st588th1,142nd1,084th334th775th247th842nd709th778th730th1,196th889th994th679th1st 124th460th478th180th324th26th 559th900th862nd219th298th150th761st40th673rd110th 505th432nd1,205th832nd412th601st1,744th 648th1,042nd
    Pernicious Numbers (Long)
    426th237th324th325th 128th164th184th161st192nd 117th 72nd309th268th307th335th230th357th252nd320th 1st279th176th82nd131st1st169th328th358th466th97th150th410th188th38th238th35th 96th197th 395th215th301st 291st 304th
    Prime Numbers
    370th541st794th691st912th 249th356th417th589th602nd974th420th942nd489th706th620th610th551st254th742nd998th512th221st330th1st557th782nd178th374th1st 522nd761st745th316th690th309th571st122nd496th222nd 238th405th716th1,793rd503rd689th2,139th595th2,091st656th961st
    Prime Numbers (Long)
    362nd551st 712th812th 366th391st 407th742nd 713th623rd684th819th172nd787th719th557th110th420th1st670th430th198th374th1st518th637th760th976th494th622nd371st655th112th395th167th 327th451st 831st984th 725th 593rd
    Proximity Grid
    54th 16th 245th
    QR Decoder
    20th
    Quine
    1st4,165th275th 2,059th2,182nd549th1,459th1,592nd3,040th 2,022nd653rd1,696th1,919th 1,799th4,082nd4,858th619th 153rd736th 3,922nd245th1,521st1st1,337th1,737th1,941st1,776th551st3,063rd4,035th1,885th170th2,066th607th 479th3,591st3,385th1,824th2,284th1,761st 2,156th 2,605th
    Recamán
    145th 268th134th102nd 61st 1,023rd24th80th 86th141st 6th 126th
    Repeating Decimals
    39th 13th 36th
    Reverse Polish Notation
    146th 179th 1st 66th 153rd 53rd 77th
    Rijndael S-box
    Rock-paper-scissors-Spock-lizard
    13th 17th 3rd 212th
    Roman to Arabic
    98th108th157th 101st 139th 199th340th 71st 205th 165th 557th68th119th 152nd276th 121st565th183rd158th 23rd2nd96th 319th
    ROT13
    11th 112th
    Rule 110
    25th 31st107th 17th38th 4th 60th 40th 157th
    Seven Segment
    83rd 92nd 25th29th 109th 5th 14th 218th
    Sierpiński Triangle
    96th 69th 30th60th88th 132nd 40th135th142nd 727th15th 115th 255th44th63rd203rd7th 113th 149th 80th
    Smith Numbers
    16th 4th 7th
    Spelling Numbers
    1st 233rd 64th 127th
    Star Wars Opening Crawl
    20th 9th
    Sudoku
    308th 286th
    Sudoku (Fill-in)
    41st 15th
    Time Distance
    393rd 85th
    Tongue-twisters
    861st 474th 4th 887th17th 176th 346th
    Transpose Sentence
    399th 42nd 81st 207th
    United States
    27th 4th9th
    Vampire Numbers
    17th 436th 407th 37th 77th
    Van Eck Sequence
    291st 84th119th149th 98th 330th237th204th 208th1st152nd 824th36th268th 124th176th 264th80th 13th429th 60th 184th
    Zodiac Signs
    187th 14th 26th 5th 24th
    γ
    66th 62nd1st 55th 82nd 842nd
    λ
    24th 35th 18th 187th 1,929th
    π
    127th 112th284th252nd 136th140th 158th 162nd 737th72nd7th 162nd 109th256th57th 414th 79th 279th
    τ
    162nd 90th352nd223rd 161st171st 191st 230th 621st92nd15th 126th 224th7th 405th 54th 294th
    φ
    284th 265th505th 446th331st301st310th 363rd1st235th171st 965th128th69th 46th 377th13th 8th 114th 232nd 429th
    √2
    298th 203rd 472nd390th353rd355th 323rd💎270th391st 1,197th189th139th 109th 428th4th 135th 180th 256th 365th
    𝑒
    288th 212th753rd409th331st352nd283rd316th 390th💎469th2nd 944th180th20th 242nd 370th415th70th 359th 171st 442nd