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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
    29th 54th 1,617th 11th
    99 Bottles of Beer
    136th28th51st 41st 99th 500th8th 400th 3rd 37th
    Abundant Numbers
    272nd152nd652nd369th 132nd85th129th 254th358th228th 90th276th285th292nd233rd 344th234th263rd1st97th 201st154th163rd43rd12th139th284th607th470th92nd264th39th260th57th346th59th 41st133rd 159th267th 216th 300th
    Abundant Numbers (Long)
    300th186th436th476th 70th151st 369th 96th 78th444th256th560th424th 551st306th292nd1st118th 257th115th193rd40th12th174th273rd891st660th74th144th 33rd490th38th 53rd154th 280th301st 449th 365th
    Arabic to Roman
    178th21st 74th 232nd 260th 73rd1st 128th
    Arithmetic Numbers
    296th 43rd 6th 48th
    Arrows
    39th44th70th 32nd 50th 68th 405th4th41st 6th 25th 19th
    Ascending Primes
    40th 102nd 66th 86th 43rd 72nd 12th 38th
    ASCII Table
    198th 28th 204th 3rd 134th 19th
    brainfuck
    83rd 113th164th 3rd 115th
    Catalan Numbers
    1st 333rd 342nd 199th376th352nd457th449th445th421st 549th12th254th 1,068th150th224th 302nd 196th365th42nd 124th 126th 410th 622nd
    Catalan’s Constant
    90th 109th 83rd 70th82nd 101st147th3rd 72nd 63rd 53rd
    Christmas Trees
    146th40th189th 150th 31st181st135th 91st 1,422nd9th36th 83rd145th 225th64th42nd116th 246th 25th 21st 278th 140th
    Collatz
    129th114th338th229th 35th96th91st 99th 125th325th240th312th 448th 572nd37th409th 300th108th6th455th 287th 510th110th107th441st 372nd445th212th 52nd269th 416th 310th 437th
    CSS Colors
    144th 435th 131st83rd 1st 42nd 68th 455th 119th
    Cubes
    147th 129th
    Day of Week
    746th 328th237th483rd 304th 395th649th605th571st625th 398th 1,169th145th 434th 675th769th266th1st931st65th276th557th 208th
    Diamonds
    196th 87th 79th 31st 114th 24th49th 80th103rd 165th30th54th 8th 92nd 14th 132nd
    Divisors
    2,480th1,006th928th 380th804th 1,092nd2,024th2,234th653rd 708th1,480th975th919th962nd 1,026th 794th 493rd1st909th3,939th357th1,068th537th 1,040th1,234th1,061st461st 687th1,497th28th578th374th 389th590th 1,206th1,693rd 1,237th 885th
    Emirp Numbers
    266th 454th 340th696th 58th106th186th 476th428th124th 157th313th278th180th300th135th381st390th196th 307th 394th1,070th15th129th 146th344th367th492nd247th89th77th238th9th232nd75th 35th212th319th 260th553rd950th292nd 289th
    Emirp Numbers (Long)
    44th 66th 40th 28th54th 51st 15th 68th
    Emojify
    83rd72nd84th 37th 44th 113th 217th29th26th 289th 422nd292nd 3rd 51st 21st
    Evil Numbers
    2,895th1,346th510th394th593rd660th 224th344th383rd573rd692nd979th401st484th371st763rd621st704th604th510th797th567th583rd39th384th193rd665th356th187th360th1st389th469th858th763rd337th339th223rd608th48th565th225th 220th364th800th757th433rd701st1,887th589th 680th
    Evil Numbers (Long)
    617th349th571st640th 315th265th299th383rd445th 276th390th254th597th411th632nd670th612th630th461st454th35th344th84th606th333rd105th296th1st341st467th633rd572nd252nd310th242nd516th44th410th239th 114th603rd 673rd439th579th 549th 554th
    Farey Sequence
    227th 150th127th116th 66th 214th172nd 199th 740th39th 136th 5th
    Fibonacci
    211th3,883rd971st421st1,246th2,326th 367th460th660th1,242nd3,585th2,851st968th1,122nd403rd1,942nd1,165th2,094th1,080th4,807th1,089th1,139th856th1st427th 2,859th502nd233rd527th2,045th542nd973rd2,221st2,021st393rd396th385th1,904th46th765th219th 359th 1,248th2,125th2,144th 1,099th2,273rd1,937th
    Fizz Buzz
    5,085th7,145th1,350th739th2,163rd1,482nd 696th3,411th1,494th1,716th2,054th 1,428th1,520th1,267th2,073rd2,014th2,024th1,492nd 3,314th 1,478th1st1,342nd 1,999th749th136th1,723rd 1,270th1,371st2,649th3,786th131st618th26th4,408th61st1,692nd120th 538th1,335th 3,184th1,330th2,047th 2,737th3,571st2,017th
    Foo Fizz Buzz Bar
    672nd 1,149th 337th 553rd 662nd 475th 644th365th518th330th 514th 262nd299th267th1,157th9th 230th 470th 530th
    Forsyth–Edwards Notation
    153rd 45th 29th 4th 22nd 18th 8th
    Fractions
    300th 189th684th225th 408th 329th 467th 271st 728th156th217th 247th318th 484th 173rd 10th 352nd
    Game of Life
    795th 181st 67th
    Gijswijt’s Sequence
    140th 32nd 30th 83rd 61st 346th19th 51st 129th14th43rd 7th 16th 28th
    Happy Numbers
    377th 288th 442nd1,025th 146th196th299th 410th646th174th 202nd512th462nd368th387th211th441st499th188th24th271st 321st223rd92nd150th1st263rd335th531st547th718th182nd141st338th32nd525th566th 103rd239th 502nd303rd831st1,186th330th 420th
    Happy Numbers (Long)
    199th 396th463rd 124th131st 129th 103rd294th249th266th 383rd558th185th2nd 299th149th47th90th16th612th263rd 417th144th 10th325th332nd 75th212th 278th257th 293rd 229th
    Hexdump
    65th 129th 17th 5th
    Intersection
    78th 21st 119th 43rd
    Inventory Sequence
    56th241st189th 76th82nd124th 158th 51st210th 232nd213th1st120th 326th833rd83rd168th 111th 266th570th102nd228th 35th 146th 147th 189th
    ISBN
    47th 193rd 231st 149th 810th21st63rd 117th 258th 30th 27th 25th 300th
    Jacobi Symbol
    124th 13th 79th 97th
    Kolakoski Constant
    115th 156th 12th
    Kolakoski Sequence
    26th 247th66th 449th 74th129th 754th372nd 119th243rd233rd 195th 91st33rd 987th45th147th1st163rd258th 447th183rd279th 154th 57th171st 187th 216th
    Leap Years
    1,087th1,029th348th467th 70th94th192nd299th1,399th2,970th366th690th71st447th333rd248th242nd950th485th198th253rd1st162nd 793rd100th103rd86th9th91st181st464th387th55th212th20th564th44th178th49th 64th784th 1,202nd186th370th 225th 303rd
    Levenshtein Distance
    516th 135th208th 241st 87th 47th108th 3rd 331st
    Leyland Numbers
    161st 204th 1st267th 333rd 130th 25th 141st 186th
    ln 2
    238th 152nd 233rd249th 211th228th 625th136th101st 3rd 148th335th28th 150th 190th
    Look and Say
    1,079th 84th 119th219th 33rd110th 11th 25th169th150th 49th
    Lucky Numbers
    111th 59th107th119th 76th 64th 170th 560th46th 50th 13th 24th
    Lucky Tickets
    77th 264th 181st 56th 219th 13th 70th 237th
    Maze
    108th 76th
    Medal Tally
    190th 45th
    Morse Decoder
    46th 30th 16th
    N Queens
    22nd 4th 24th
    Niven Numbers
    96th2,441st646th954th1,065th1,106th 258th424th627th744th1,051st1,473rd461st2,002nd279th1,083rd917th967th874th756th1,265th1,030th1,011th1st398th 728th491st123rd335th1,827th 562nd1,227th1,244th245th352nd116th988th50th509th102nd 255th515th 1,082nd602nd941st2,594th789th 894th
    Niven Numbers (Long)
    288th552nd561st625th 318th243rd282nd755th1,124th 219th 134th579th500th705th545th613th709th588th513th20th324th 356th299th150th192nd 276th457th640th646th80th229th166th733rd57th340th46th 90th365th 792nd433rd474th 533rd 455th
    Number Spiral
    139th 71st 27th 158th
    Odious Numbers
    2,493rd1,395th328th292nd471st932nd 218th242nd415th774th554th879th600th378th230th681st505th629th541st400th682nd466th341st37th260th150th421st256th223rd251st1st265th329th818th592nd220th222nd190th491st46th348th191st 186th270th685th667th313th978th2,133rd480th 547th
    Odious Numbers (Long)
    265th279th519th616th 270th223rd362nd371st378th 215th305th203rd552nd346th588th697th554th585th449th442nd35th296th129th537th256th153rd219th1st267th456th612th520th201st222nd190th425th44th279th397th 163rd576th 633rd340th509th 467th 489th
    Ordinal Numbers
    432nd 172nd 1,202nd49th 195th 154th 280th 112th 99th 123rd3rd
    Pangram Grep
    166th 464th 149th433rd 1st189th 1,453rd64th141st 441st739th 991st 538th33rd 59th 60th 255th
    Pascal’s Triangle
    304th458th527th 210th218th294th411th695th 194th 338th 490th826th497th 481st 337th 1st468th1,669th244th216th1st 441st538th191st313th204th334th447th53rd230th116th 147th296th 421st484th 447th 474th
    Pernicious Numbers
    1,623rd651st430th868th1,126th 289th396th561st614th1,050th1,139th370th847th265th917th768th850th789th1,024th964th1,052nd738th1st 110th684th506th177th357th26th 589th975th937th216th331st136th833rd40th732nd160th 243rd475th1,204th904th455th639th1,758th 689th
    Pernicious Numbers (Long)
    437th288th343rd347th 142nd188th231st197th259th 128th 80th329th308th339th358th281st380th303rd344th 1st311th206th90th140th1st201st351st382nd475th111th162nd422nd251st34th289th77th 104th237th 407th266th320th 316th 323rd
    Prime Numbers
    377th 619th1,003rd863rd1,137th 264th389th 717th758th1,207th511th1,167th487th872nd708th698th682nd269th997th1,245th573rd221st345th1st650th371st178th412th1st 621st976th1,248th331st857th324th664th122nd504th224th 241st416th920th1,913th596th833rd2,260th798th2,210th758th2,336th
    Prime Numbers (Long)
    367th 579th 743rd857th 361st390th 431st775th 744th653rd723rd859th168th816th752nd585th165th416th1st709th426th194th665th1st536th668th802nd1,000th524th652nd371st698th110th403rd914th 326th468th 867th1,009th 758th 619th
    Proximity Grid
    103rd 40th 156th
    QR Decoder
    50th
    Quine
    1st 4,186th275th 2,055th2,180th549th1,458th1,591st2,799th 2,904th652nd1,695th1,919th 1,798th4,100th4,878th618th 153rd735th 3,926th245th1,520th1st1,336th1,736th1,941st1,775th550th3,102nd4,039th1,885th170th2,062nd606th 479th3,608th3,402nd1,823rd2,280th1,760th 2,154th 2,606th
    Recamán
    157th 268th169th122nd 72nd 1,079th17th96th 106th163rd 6th 147th
    Repeating Decimals
    56th 20th 1st 52nd
    Reverse Polish Notation
    183rd 217th 1st 72nd 189th 55th 83rd
    Rijndael S-box
    47th
    Rock-paper-scissors-Spock-lizard
    26th 17th 7th 3rd
    Roman to Arabic
    140th149th222nd 147th 156th 253rd413th 25th 276th 228th 630th75th154th 205th342nd 165th96th227th207th 47th1st145th 183rd
    ROT13
    11th 148th
    Rule 110
    59th 52nd134th 41st81st 3rd 100th 17th 154th
    Seven Segment
    272nd 80th 139th 11th31st 102nd 8th 12th 16th
    Sierpiński Triangle
    96th 79th 31st111th100th 180th 47th140th145th 734th7th 122nd 16th40th72nd208th114th 25th 160th 91st
    Smith Numbers
    19th 3rd 12th
    Spelling Numbers
    1st 267th 75th 125th
    Star Wars Opening Crawl
    39th 13th
    Sudoku
    183rd 167th
    Sudoku (Fill-in)
    37th 15th
    Time Distance
    18th 4th
    Tongue-twisters
    372nd 100th 195th 535th104th264th 76th 132nd
    Transpose Sentence
    181st 42nd 83rd 66th
    United States
    43rd 23rd2nd
    Vampire Numbers
    102nd 832nd 820th 68th 87th
    Van Eck Sequence
    295th 101st131st156th 233rd 341st249th213th 217th1st159th 836th41st282nd 141st176th 278th97th 13th436th 62nd 200th
    Zodiac Signs
    200th 64th 14th 5th 19th
    γ
    93rd 57th1st 69th 51st 472nd
    λ
    35th 339th 36th 15th 1,540th
    π
    149th 144th309th286th 181st183rd 193rd 4th 758th91st23rd 197th 113th228th74th 106th 97th 319th
    τ
    191st 127th396th264th 188th202nd 231st 4th 638th98th25th 139th 215th64th 84th 68th 351st
    φ
    294th 198th526th 438th343rd303rd313th 401st162nd253rd162nd 961st144th100th 15th 333rd38th 10th 86th 192nd 470th
    √2
    342nd 225th 452nd408th373rd351st 352nd221st310th3rd 1,205th207th161st 13th 391st40th 145th 152nd 260th 399th
    𝑒
    332nd 245th740th405th345th363rd305th318th 426th223rd476th1st 958th179th19th 225th 369th337th69th 294th 170th 328th