The Hilbert Curve hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Look and Say in all languages in chars. 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 Mandelbrot 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 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala 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 Mandelbrot 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 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 601st Yewzir 🇧🇪 712 78 15 Jan 2024 601st AlephSquirrel 712 78 16 Jan 2024 603rd Shanethegamer 🇺🇸 712 99 18 Dec 2023 604th JRaspass 🇬🇧 711 48 4 Dec 2020 605th HallMatthew314 711 107 18 Jan 2022 605th JoaoFelipe3 711 107 14 Jan 2024 607th stefangimmillaro 709 170 4 Jun 2025 608th 09cf 707 143 13 Sep 2023 609th stefangabos 🇷🇴 706 82 7 Jun 2023 609th sebipopa 🇷🇴 706 82 8 Jun 2023 609th junkondo-jp 706 82 28 May 2024 612th Re-Adventures 🇮🇳 706 83 1 Dec 2021 612th cingulataluke 706 83 29 Aug 2023 614th Yewzir 🇧🇪 706 135 28 Mar 2024 615th olivermrose 🇺🇸 705 108 31 Aug 2021 616th stefangimmillaro 704 170 6 Oct 2023 617th marcin7Cd 703 142 8 Feb 2021 618th stefangimmillaro 702 151 19 Oct 2023 619th Ripick 700 118 24 Jun 2024 620th namelessiw 700 127 13 Nov 2024 621st MeWhenI 🇻🇦 699 93 2 Oct 2022 622nd ovs-code 🇩🇪 698 84 29 Apr 2024 622nd dokutan 698 84 18 Apr 2025 624th unfinishedprogram 697 83 15 Jul 2024 625th KasperKivimaeki 🇫🇮 697 107 21 Jul 2025 626th stefangimmillaro 697 196 21 Nov 2022 627th Shanethegamer 🇺🇸 696 49 9 May 2021 628th DialFrost 🇸🇬 696 122 10 Jul 2024 629th CaedenHarper 🇨🇦 694 80 29 Jul 2025 630th adamnielson42 🇺🇸 692 49 25 Apr 2024 631st Irratix 🇳🇱 692 110 14 Dec 2021 632nd MeWhenI 🇻🇦 690 72 3 Aug 2024 633rd ovs-code 🇩🇪 690 138 27 Sep 2024 634th edsrzf 🇳🇿 690 152 29 May 2025 635th Shanethegamer 🇺🇸 690 162 10 Sep 2024 636th xyangst 689 84 7 Oct 2024 637th Fishron 689 85 24 Oct 2021 637th nwellnhof 🇩🇪 689 85 7 Nov 2021 637th jakobkordez 🇸🇮 689 85 20 Oct 2022 637th HelloGravity 689 85 29 Jul 2023 641st primo-ppcg 🇹🇭 689 129 21 Nov 2021 642nd LucaArgentiUCF 🇮🇹 689 154 28 Jan 2021 643rd Shanethegamer 🇺🇸 688 123 2 Nov 2024 644th andersk 🇺🇸 688 175 5 Nov 2022 645th GolfingSuccess 🇬🇷 686 71 1 Jun 2022 646th yomansour 686 196 30 Jul 2021 647th fuzzylojik-golf 🇺🇸 685 81 2 Jul 2025 648th arctouch-cristiannevianna 684 130 20 Feb 2024 649th sean-niemann 🇺🇸 683 148 7 Jan 2023 650th gnlow 🇰🇷 681 85 18 Feb 2021 650th raphaelimahorn 681 85 17 Aug 2021 650th dmrichwa 🇺🇸 681 85 4 Jun 2022 650th maxpelic 🇺🇸 681 85 11 Jul 2022 650th Re-Adventures 🇮🇳 681 85 4 Jan 2023 650th AlephSquirrel 681 85 1 Jul 2023 650th Salutations45 681 85 11 Dec 2024 650th Ralac07 🇦🇺 681 85 18 Apr 2025 658th davecame 681 86 29 Feb 2024 659th GoateSo 678 141 1 Dec 2020 660th DialFrost 🇸🇬 677 82 22 Jan 2024 661st MichalMarsalek 🇨🇿 677 122 5 Nov 2021 662nd tigerdan2 🇩🇪 677 202 27 Jul 2023 663rd GolfingSuccess 🇬🇷 677 222 3 Feb 2025 664th jipsong 🇩🇪 676 52 11 Jun 2024 665th jerrandolph 676 177 22 Dec 2023 665th targrik 676 177 2 Jul 2025 667th MeWhenI 🇻🇦 675 81 28 Jan 2023 668th wansacis 🇩🇪 673 86 25 Nov 2021 668th Michiocre 673 86 30 Apr 2024 670th lynn 673 87 7 Apr 2021 670th HumanoidCPU 673 87 23 May 2024 670th bizy-coder 673 87 5 Sep 2024 670th JunkIce 673 87 3 Dec 2024 674th frankgraziano 670 115 25 Feb 2025 675th emgordon154 669 104 28 Dec 2024 Prev 601–675 of 1,920 Next