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 450th sisyphus-ppcg 🇦🇺 802 81 6 Feb 2023 450th edsrzf 🇳🇿 802 81 2 days ago 453rd nwellnhof 🇩🇪 802 93 20 Dec 2020 453rd NewDefectus 🇮🇱 802 93 8 May 2021 455th primo-ppcg 🇹🇭 802 103 6 Aug 2024 456th Yax42 🇫🇷 801 111 15 Jun 2025 457th NewDefectus 🇮🇱 799 44 22 Jun 2021 457th ovs-code 🇩🇪 799 44 22 Jun 2023 457th Shanethegamer 🇺🇸 799 44 8 Nov 2023 460th sean-niemann 🇺🇸 799 171 20 Feb 2023 461st stackofbears 796 47 25 Mar 2024 462nd primo-ppcg 🇹🇭 796 75 13 Nov 2022 462nd clockworknazo 796 75 14 Nov 2022 464th sisyphus-ppcg 🇦🇺 796 120 8 Apr 2022 465th inventshah 794 94 24 Jan 2023 466th GrayJoKing 🇦🇺 793 70 23 Jul 2024 466th GolfingSuccess 🇬🇷 793 70 25 Jan 2025 468th elisherer 🇮🇱 793 73 2 Jan 2021 468th dylanarmstrong 793 73 22 Jan 2024 470th albanian-laundromat 792 74 3 Jul 2025 471st primo-ppcg 🇹🇭 792 134 4 Jan 2024 472nd jared-hughes 792 195 7 Jul 2024 473rd Irratix 🇳🇱 790 62 4 Mar 2022 474th ovs-code 🇩🇪 787 113 24 Aug 2023 475th Yewzir 🇧🇪 787 114 17 Oct 2023 476th galloj 🇨🇿 785 62 10 Sep 2022 476th kritixilithos 785 62 27 May 2024 478th jipsong 🇩🇪 785 97 12 Jul 2024 479th lynn 785 108 18 May 2021 480th MeWhenI 🇻🇦 783 90 9 May 2024 481st perlebach 🇨🇿 782 45 18 Aug 2021 481st JRaspass 🇬🇧 782 45 1 Sep 2021 483rd duckyluuk 🇳🇱 782 71 28 Aug 2024 484th gifti258 782 102 18 Sep 2023 485th jipsong 🇩🇪 782 153 13 Jun 2024 486th HETHAT 🇩🇿 781 75 26 Feb 2021 486th gilufin 781 75 21 Jun 2021 486th schachmattmatt 781 75 11 Aug 2021 486th KatieLG 🇬🇧 781 75 8 Jun 2022 486th fredrik-bakke 🇳🇴 781 75 5 Oct 2022 486th minhtrancccp 781 75 17 Oct 2023 486th tri1212 🇻🇳 781 75 28 Oct 2023 486th AtengChen 781 75 31 Aug 2024 486th Powerroff 781 75 12 Dec 2024 486th CornerMercury 🇬🇧 781 75 14 Feb 2025 486th plcc0 781 75 19 Mar 2025 497th AlephSquirrel 780 128 21 Jan 2025 498th SirBogman 🇺🇸 780 136 19 Oct 2023 499th lynn 779 48 19 Apr 2021 500th ndren 778 36 7 Aug 2023 500th snoozingnewt 🇺🇸 778 36 18 Sep 2023 500th TheCatGuy12321 778 36 26 Aug 2024 503rd olleicua 🇺🇸 777 63 23 Mar 2024 504th annaproxy 777 98 28 Jan 2022 505th emplv 🇱🇻 776 64 29 Oct 2024 506th Yewzir 🇧🇪 775 195 25 May 2024 507th error256 774 91 15 Feb 2025 508th stefangimmillaro 772 97 2 Jun 2023 509th bob-th 771 76 8 Aug 2022 509th xnor-gate 771 76 10 Jul 2023 509th snoozingnewt 🇺🇸 771 76 24 Sep 2023 509th 5cw 🇺🇸 771 76 19 Oct 2024 513th 386asm 🇺🇸 771 115 8 May 2023 514th GrayJoKing 🇦🇺 771 139 23 Mar 2021 515th Shanethegamer 🇺🇸 770 110 1 May 2023 516th edsrzf 🇳🇿 769 89 12 Jun 2025 516th error256 769 89 17 Jun 2025 518th m-tkach 🇺🇦 768 175 20 Dec 2021 519th tailorspy 766 132 6 Aug 2024 520th lynn 766 137 8 Aug 2023 521st Marin-Kitagawa 765 64 18 Jul 2021 521st ndren 765 64 29 Aug 2023 523rd primo-ppcg 🇹🇭 764 176 5 Mar 2022 524th Natanaelel 🇸🇪 763 49 24 Nov 2023 525th marshallward 🇺🇸 763 139 26 Jun 2023 Prev 451–525 of 1,922 Next