The Set hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Kolakoski Sequence in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 523rd anter69 🇭🇺 810 52 14 Jan 2022 523rd OhmNomNom 810 52 12 Oct 2022 523rd olleicua 🇺🇸 810 52 25 Feb 2024 523rd emgordon154 810 52 26 Nov 2024 530th Steffan153 🇫🇮 810 90 10 Feb 2023 531st Shanethegamer 🇺🇸 810 96 9 Jun 2022 532nd m-tkach 🇺🇦 810 101 18 Jan 2024 533rd vezzick 809 62 12 Mar 2021 533rd schachmattmatt 809 62 18 Aug 2021 533rd cooljoseph1 809 62 6 May 2022 533rd tri1212 🇻🇳 809 62 18 Jul 2022 533rd fredrik-bakke 🇳🇴 809 62 29 Sep 2022 533rd nkoppel 809 62 19 Oct 2022 533rd AodhanDalton 809 62 4 Nov 2022 533rd nstearns96 🇬🇧 809 62 28 Nov 2022 533rd adamnielson42 🇺🇸 809 62 10 Jan 2024 533rd jbjd 809 62 2 Mar 2024 533rd wh3n3v3r 🇨🇿 809 62 12 Nov 2024 544th duckyluuk 🇳🇱 808 70 28 Oct 2024 545th Steffan153 🇫🇮 808 79 23 Mar 2023 545th Yewzir 808 79 16 Nov 2023 547th Shanethegamer 🇺🇸 808 108 26 Sep 2021 548th primo-ppcg 🇹🇭 806 78 13 Oct 2023 549th Dazza314 🇬🇧 805 24 16 Apr 2021 550th Shanethegamer 🇺🇸 804 76 13 Dec 2021 551st GolfingSuccess 🇬🇷 804 81 9 Sep 2022 552nd emgordon154 803 85 3 Jan 2025 553rd m-tkach 🇺🇦 803 106 25 Apr 2022 554th ArmaanAS 802 58 4 Apr 2021 554th itsh01 802 58 18 Nov 2021 556th stefangimmillaro 802 80 23 Sep 2023 557th Steffan153 🇫🇮 801 60 6 May 2023 558th prplz 🇦🇺 800 83 10 Jul 2024 559th Shanethegamer 🇺🇸 799 94 25 Jan 2021 560th NewDefectus 🇮🇱 798 35 25 Jan 2022 561st DaDerpDuck 798 76 20 Jan 2021 562nd ScottHamper 798 127 1 Jun 2021 563rd MeWhenI 🇻🇦 797 50 11 Nov 2022 564th GolfingSuccess 🇬🇷 797 69 24 Dec 2024 565th MeWhenI 🇻🇦 797 88 28 Feb 2022 565th DialFrost 🇸🇬 797 88 12 Nov 2023 567th SirBogman 🇺🇸 796 46 22 Oct 2021 568th apourchot 796 63 13 Feb 2021 568th neihousaigaai 796 63 10 Apr 2021 568th lechevalier 796 63 9 Aug 2021 568th yzhs 🇩🇪 796 63 7 Jun 2022 568th commandblockguy 🇺🇸 796 63 19 Sep 2022 568th fourth-bit 796 63 21 Nov 2022 568th cdesodt 796 63 8 Sep 2023 568th ssbhatt4321 796 63 14 Oct 2023 576th DialFrost 🇸🇬 795 53 2 Feb 2023 576th SirBogman 🇺🇸 795 53 10 Jun 2024 578th m-tkach 🇺🇦 795 89 25 Apr 2022 578th MeWhenI 🇻🇦 795 89 8 May 2022 580th SirBogman 🇺🇸 795 90 28 Nov 2023 581st tobeannouncd 794 82 8 Jan 2024 582nd GrayJoKing 🇦🇺 794 86 15 Aug 2023 582nd Shanethegamer 🇺🇸 794 86 11 Jan 2024 584th GrayJoKing 🇦🇺 793 68 21 Jan 2021 584th m-tkach 🇺🇦 793 68 25 Apr 2022 584th MeWhenI 🇻🇦 793 68 11 Nov 2022 584th DialFrost 🇸🇬 793 68 2 Nov 2023 584th emgordon154 793 68 18 Feb 2025 589th SirBogman 🇺🇸 791 31 7 Oct 2022 590th MichalMarsalek 🇨🇿 791 84 6 Jan 2023 591st ashtraypettingzoo 🇺🇸 789 19 3 Apr 2023 592nd Salutations45 789 59 9 Jan 2025 593rd DialFrost 🇸🇬 789 141 26 Sep 2023 594th Shanethegamer 🇺🇸 788 89 26 Jul 2023 595th Yewzir 787 90 14 Oct 2023 596th emgordon154 786 61 29 Nov 2024 597th kkoenig 786 111 5 Jan 2024 598th prplz 🇦🇺 785 46 24 Jan 2021 598th TimCurwick 🇺🇸 785 46 26 Jan 2021 598th SirBogman 🇺🇸 785 46 2 Feb 2024 Prev 526–600 of 1,611 Next