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 jakzo 714 81 5 Sep 2021 602nd Yewzir 🇧🇪 712 78 15 Jan 2024 602nd AlephSquirrel 712 78 16 Jan 2024 604th Shanethegamer 🇺🇸 712 99 18 Dec 2023 605th JRaspass 🇬🇧 711 48 4 Dec 2020 606th HallMatthew314 711 107 18 Jan 2022 606th JoaoFelipe3 711 107 14 Jan 2024 608th stefangimmillaro 709 170 4 Jun 2025 609th 09cf 707 143 13 Sep 2023 610th stefangabos 🇷🇴 706 82 7 Jun 2023 610th sebipopa 🇷🇴 706 82 8 Jun 2023 610th junkondo-jp 706 82 28 May 2024 613th Re-Adventures 🇮🇳 706 83 1 Dec 2021 613th cingulataluke 706 83 29 Aug 2023 615th Yewzir 🇧🇪 706 135 28 Mar 2024 616th olivermrose 🇺🇸 705 108 31 Aug 2021 617th stefangimmillaro 704 170 6 Oct 2023 618th marcin7Cd 703 142 8 Feb 2021 619th stefangimmillaro 702 151 19 Oct 2023 620th Ripick 700 118 24 Jun 2024 621st namelessiw 700 127 13 Nov 2024 622nd MeWhenI 🇻🇦 699 93 2 Oct 2022 623rd ovs-code 🇩🇪 698 84 29 Apr 2024 623rd dokutan 698 84 18 Apr 2025 625th unfinishedprogram 697 83 15 Jul 2024 626th KasperKivimaeki 🇫🇮 697 107 21 Jul 2025 627th stefangimmillaro 697 196 21 Nov 2022 628th Shanethegamer 🇺🇸 696 49 9 May 2021 629th DialFrost 🇸🇬 696 122 10 Jul 2024 630th CaedenHarper 🇨🇦 694 80 29 Jul 2025 631st adamnielson42 🇺🇸 692 49 25 Apr 2024 632nd Irratix 🇳🇱 692 110 14 Dec 2021 633rd MeWhenI 🇻🇦 690 72 3 Aug 2024 634th ovs-code 🇩🇪 690 138 27 Sep 2024 635th edsrzf 🇳🇿 690 152 29 May 2025 636th Shanethegamer 🇺🇸 690 162 10 Sep 2024 637th xyangst 689 84 7 Oct 2024 638th Fishron 689 85 24 Oct 2021 638th nwellnhof 🇩🇪 689 85 7 Nov 2021 638th jakobkordez 🇸🇮 689 85 20 Oct 2022 638th HelloGravity 689 85 29 Jul 2023 642nd primo-ppcg 🇹🇭 689 129 21 Nov 2021 643rd LucaArgentiUCF 🇮🇹 689 154 28 Jan 2021 644th Shanethegamer 🇺🇸 688 123 2 Nov 2024 645th andersk 🇺🇸 688 175 5 Nov 2022 646th GolfingSuccess 🇬🇷 686 71 1 Jun 2022 647th yomansour 686 196 30 Jul 2021 648th fuzzylojik-golf 🇺🇸 685 81 2 Jul 2025 649th arctouch-cristiannevianna 684 130 20 Feb 2024 650th sean-niemann 🇺🇸 683 148 7 Jan 2023 651st gnlow 🇰🇷 681 85 18 Feb 2021 651st raphaelimahorn 681 85 17 Aug 2021 651st dmrichwa 🇺🇸 681 85 4 Jun 2022 651st maxpelic 🇺🇸 681 85 11 Jul 2022 651st Re-Adventures 🇮🇳 681 85 4 Jan 2023 651st AlephSquirrel 681 85 1 Jul 2023 651st Salutations45 681 85 11 Dec 2024 651st Ralac07 🇦🇺 681 85 18 Apr 2025 659th davecame 681 86 29 Feb 2024 660th GoateSo 678 141 1 Dec 2020 661st DialFrost 🇸🇬 677 82 22 Jan 2024 662nd MichalMarsalek 🇨🇿 677 122 5 Nov 2021 663rd tigerdan2 🇩🇪 677 202 27 Jul 2023 664th GolfingSuccess 🇬🇷 677 222 3 Feb 2025 665th jipsong 🇩🇪 676 52 11 Jun 2024 666th jerrandolph 676 177 22 Dec 2023 666th targrik 676 177 2 Jul 2025 668th MeWhenI 🇻🇦 675 81 28 Jan 2023 669th wansacis 🇩🇪 673 86 25 Nov 2021 669th Michiocre 673 86 30 Apr 2024 671st lynn 673 87 7 Apr 2021 671st HumanoidCPU 673 87 23 May 2024 671st bizy-coder 673 87 5 Sep 2024 671st JunkIce 673 87 3 Dec 2024 675th frankgraziano 670 115 25 Feb 2025 Prev 601–675 of 1,921 Next