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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?

    madex (he/him) 🇩🇪

    84,847
    78,190
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    I love to program but also music.

    126 / 126 Holes

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    64 / 64 Langs

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    105 / 109 Cheevos

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    12 Days of Christmas
    1,192nd 888th 2,478th 1,179th
    24 Game
    330th 402nd 364th
    99 Bottles of Beer
    2,979th 2,121st
    Abundant Numbers
    787th 654th2,955th 2,028th 1,911th
    Abundant Numbers (Long)
    1,013th 1,529th 2,011th 293rd1,243rd 1,058th
    Arabic to Roman
    1,405th 1,284th
    Arithmetic Numbers
    584th 419th 672nd
    Arrows
    825th 914th 921st 976th 888th
    Ascending Primes
    482nd 509th
    ASCII Table
    631st 873rd 713th 857th
    Billiards
    376th 364th
    brainfuck
    1,193rd1,056th 928th 879th
    Calendar
    243rd 327th 50th
    Card Number Validation
    508th 697th 614th 813th
    Catalan Numbers
    932nd 1,171st 1,117th 1,326th 506th 725th 924th
    Catalan’s Constant
    1,009th 614th 648th767th
    Christmas Trees
    1,648th 947th 1,177th 1,027th
    Collatz
    982nd 2,175th 2,587th 136th 1,436th 853rd 913th 1,406th
    Continued Fractions
    307th 88th
    CSS Colors
    1,135th 670th 937th 1,011th 1,138th
    Cubes
    738th 745th 624th743rd
    Day of Week
    623rd
    DFA Simulator
    512th 458th 504th497th
    Diamonds
    623rd 1,707th 1,081st 449th 716th 555th
    Divisors
    4,900th725th 2,001st 1,927th 1,297th 689th 28th 591st
    Emirp Numbers
    1,035th 1,581st
    Emirp Numbers (Long)
    523rd
    Emojify
    1,164th 647th 1,244th588th
    Evil Numbers
    1,443rd 1,209th 1,278th 1,171st 1,132nd 883rd 4,224th
    Evil Numbers (Long)
    1,652nd 889th
    Factorial Factorisation
    506th 681st 626th 481st 969th741st
    Farey Sequence
    710th 754th 1,032nd
    Fibonacci
    8,482nd771st 1,968th 5,492nd 5,487th 2,186th 2,467th 3,697th 1,290th 4,653rd 6,418th4,234th
    Fizz Buzz
    5,086th9,634th11,816th12,062nd5,938th2,753rd8,141st10,169th10,701st2,431st7,994th2,029th8,826th5,944th12,512th12,200th3,978th5,923rd2,741st4,047th5,437th9,242nd8,522nd9,959th4,257th11,919th7,076th5,668th1,291st4,337th2,165th9,154th5,717th8,915th7,288th137th11,724th5,538th4,694th4,387th3,363rd4,996th7,816th8,944th2,080th3,802nd4,147th8,472nd781st1,693rd3,138th13,012th539th4,719th9,787th11,764th9,974th4,232nd10,156th12,791st9,627th12,688th4,012th10,021st
    Foo Fizz Buzz Bar
    1,496th 1,600th 9th
    Forsyth–Edwards Notation
    661st 482nd 582nd 496th 719th713th
    Fractions
    1,553rd1,887th 584th1,191st1,614th 1,735th 1,276th1,801st476th1,522nd1,600th999th 1,635th 1,814th 1,819th1,259th 886th669th1,660th1,377th 1,165th1,305th1,716th 1,766th1,678th1,848th 1,014th1,423rd1,883rd 1,911th1,275th 864th1,755th
    Game of Life
    501st 816th 731st 770th
    Gijswijt’s Sequence
    698th 628th 702nd
    Happy Numbers
    1,300th 1,307th 1,279th 879th 1,382nd
    Happy Numbers (Long)
    1,055th 1,143rd 642nd 725th 1,041st
    Hexdump
    325th 752nd 574th
    Hilbert Curve
    279th 273rd 354th 361st
    Intersection
    648th 712th 425th
    Inventory Sequence
    844th 551st 960th
    ISBN
    1,485th1,468th 581st 1,404th 1,546th1,454th 1,144th 828th 1,447th 320th 1,439th1,096th 1,459th
    Jacobi Symbol
    687th 685th
    Kaprekar Numbers
    308th 838th 335th
    Kolakoski Constant
    545th
    Kolakoski Sequence
    886th 1,058th
    Leap Years
    4,304th 3,232nd 607th 2,317th 4,410th 103rd 1,353rd 2,563rd 1,735th 1,258th 1,984th 4,271st
    Levenshtein Distance
    931st 784th 775th 855th
    Leyland Numbers
    1,167th
    ln 2
    706th
    Look and Say
    1,301st 119th 285th403rd 235th 1,182nd 1,264th
    Lucky Numbers
    709th 826th 798th
    Lucky Tickets
    582nd
    Mahjong
    257th 293rd 240th 278th294th 263rd
    Mandelbrot
    386th 372nd 399th 391st416th
    Maze
    495th 524th 564th
    Medal Tally
    515th
    Minesweeper
    377th 385th 351st 354th332nd 340th
    Morse Decoder
    367th 418th 331st 341st274th
    Morse Encoder
    614th 739th 738th 726th 753rd759th
    Multitap Input
    280th 291st 222nd 267th
    Musical Chords
    389th411th 376th 381st 464th 362nd 475th
    N Queens
    452nd 459th
    Niven Numbers
    3,826th 1,041st 1,507th 123rd 771st 2,599th 1,497th 299th 1,195th515th
    Niven Numbers (Long)
    945th 441st
    Number Spiral
    496th 470th 1,002nd 710th
    Odious Numbers
    1,273rd 981st 1,331st 976th 1,726th 904th
    Odious Numbers (Long)
    1,574th 1,589th 652nd 1,113th
    Ordinal Numbers
    1,266th 774th
    PalindromemordnilaP
    685th 421st 578th525th
    Pangram Grep
    1,966th 2,241st 1,983rd 2,302nd 1,782nd 1,892nd 1,527th 393rd 2,110th 1,220th 1,787th 2,383rd 1,975th
    Partition Numbers
    362nd 477th 374th 509th 534th331st 567th
    Pascal’s Triangle
    1,573rd 1,299th 984th 1,104th 1,695th
    Pernicious Numbers
    2,574th1,901st 2,767th 1,488th1,867th 2,481st1,694th 1,692nd1,399th1,586th1,774th1,805th1,621st 2,010th3,063rd2,742nd2,174th 1,806th 2,028th 1,238th2,991st2,411th2,033rd 1,600th 1,688th1,602nd1,792nd1,690th2,582nd1,909th1,717th2,909th 1,356th1,998th2,093rd 1,578th1,636th 3,074th1,786th1,725th 2,071st
    Pernicious Numbers (Long)
    1,093rd 613th 1,258th
    Poker
    544th 282nd
    Polyominoes
    292nd 212th 231st
    Prime Numbers
    1,512th 4,099th 613th 1,999th 1,112th 3,142nd1,719th1,844th 735th 2,818th
    Prime Numbers (Long)
    1,035th 1,391st2,856th 600th 1,625th
    Proximity Grid
    494th 336th 498th490th
    QR Decoder
    378th 395th 401st 371st 443rd459th
    Quine
    3,760th 275th 4,409th 653rd4,329th 2,206th 4,574th 3,824th 4,391st 4,137th3,308th 1,337th 3,963rd 763rd 4,982nd 2,519th3,683rd
    Recamán
    1,144th 712th
    Repeating Decimals
    291st 299th 351st 463rd
    Reverse Polish Notation
    848th 644th 510th
    Reversi
    295th 421st 389th
    Rijndael S-box
    575th551st 563rd 520th 443rd 512th
    Rock-paper-scissors-Spock-lizard
    864th 736th
    Roman to Arabic
    871st 861st 911th
    ROT13
    772nd 543rd 920th 862nd
    Rule 110
    749th
    Scrambled Sort
    433rd 133rd591st 467th474th 562nd
    Set
    164th
    Seven Segment
    1,339th 604th 402nd
    SI Units
    298th 322nd
    Sierpiński Triangle
    688th 827th
    Smith Numbers
    933rd 1,019th 801st
    Spelling Numbers
    788th 767th
    Star Wars GPT
    298th 160th 307th
    Star Wars Opening Crawl
    366th 437th
    Sudoku
    383rd
    Sudoku (Fill-in)
    370th 458th 340th
    Ten-pin Bowling
    561st 471st 499th 593rd490th
    Tic-tac-toe
    441st 483rd 448th 598th607th
    Time Distance
    405th
    Tongue-twisters
    1,728th
    Topological Sort
    333rd 303rd 316th
    Tower of Hanoi
    534th 735th 861st 694th 647th 1,005th 831st 824th 756th 396th 418th854th672nd 657th465th
    Transpose Sentence
    870th 812th 839th 655th 751st850th
    Trinomial Triangle
    511th 528th 492nd 495th
    United States
    741st 989th
    Vampire Numbers
    714th 661st 552nd
    Van Eck Sequence
    568th 813th 732nd 530th 867th
    Zeckendorf Representation
    697th 682nd 667th 677th 599th 633rd686th
    Zodiac Signs
    550th 278th 525th 588th580th
    γ
    241st
    λ
    1,361st 1,818th 2,271st1,635th 356th 1,239th
    π
    2,734th 659th 1,845th
    τ
    613th
    φ
    1,018th
    √2
    1,145th
    𝑒
    923rd 900th