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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?

    Attero 🇸🇪

    40,475
    39,382
    🥇41
    🥈2
    🥉6

    47 / 126 Holes

    🔣

    13 / 64 Langs

    🏆

    26 / 109 Cheevos

    📅

    12 Days of Christmas
    1,421st578th 720th212th711th630th227th
    99 Bottles of Beer
    266th 570th80th388th162nd432nd
    Abundant Numbers
    786th 1,307th 97th3,189th485th1,862nd696th1,454th414th
    Abundant Numbers (Long)
    1,196th 118th 606th 994th
    Arabic to Roman
    129th
    Arrows
    879th
    ASCII Table
    476th
    brainfuck
    295th 226th
    Christmas Trees
    276th449th 1,720th292nd193rd455th533rd206th
    Collatz
    1,546th 135th 1,169th
    Cubes
    367th 180th 400th
    Diamonds
    603rd 619th313th
    Divisors
    4,246th 903rd1,792nd 1,045th4,074th1,104th544th1,773rd28th1,036th
    Emirp Numbers
    462nd 469th
    Emojify
    1,012th
    Evil Numbers
    1,061st638th1,086th 3,446th526th1,797th1,371st48th2,532nd
    Evil Numbers (Long)
    530th 118th
    Fibonacci
    3,063rd 768th1,013th5,418th 3,326th6,851st233rd542nd3,365th46th4,088th
    Fizz Buzz
    10,390th 696th3,411th7,388th 3,123rd7,286th136th2,680th618th780th3,137th
    Foo Fizz Buzz Bar
    1,424th 976th 299th9th
    Happy Numbers
    702nd 688th 1,155th1,207th
    Happy Numbers (Long)
    551st
    Intersection
    529th 570th332nd
    ISBN
    737th
    Leap Years
    598th367th3,029th 255th3,489th103rd464th840th629th2,208th
    Leyland Numbers
    898th
    Look and Say
    159th
    Niven Numbers
    1,352nd833rd1,545th 1,644th3,132nd123rd983rd811th659th1,318th
    Odious Numbers
    826th349th924th 2,892nd433rd1,433rd1,782nd46th2,269th
    Odious Numbers (Long)
    589th 44th
    Ordinal Numbers
    515th1,177th 1,286th142nd 1,002nd280th640th
    Pangram Grep
    889th 1,784th979th 295th681st
    Pascal’s Triangle
    919th 749th 582nd129th922nd
    Pernicious Numbers
    1,842nd1,707th1,168th 2,220th1,521st2,090th 1,506th2,063rd
    Prime Numbers
    1,401st910th1,207th 1,970th3,058th178th1,839th2,115th733rd1,551st
    Prime Numbers (Long)
    838th
    Quine
    1st274th4,407th1,457th 3,925th 1,335th3,102nd760th3,863rd
    Recamán
    978th 537th
    Roman to Arabic
    644th 612th
    Rule 110
    346th886th 813th287th352nd249th539th
    Seven Segment
    369th 356th1,011th
    Sierpiński Triangle
    550th 514th409th573rd449th698th
    Spelling Numbers
    63rd 612th
    Tongue-twisters
    922nd 959th
    Vampire Numbers
    206th
    π
    793rd 625th
    τ
    585th