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 676th emgordon154 669 104 28 Dec 2024 677th elgan65536 669 180 4 Mar 2024 678th Natanaelel 🇸🇪 667 73 22 Aug 2022 679th TimCurwick 🇺🇸 666 82 3 Dec 2020 679th Feniske 🇫🇷 666 82 7 Nov 2023 679th IISResetMe 666 82 8 Apr 2025 682nd sisyphus-ppcg 🇦🇺 666 88 2 Dec 2020 682nd kops-cg 666 88 11 Apr 2021 682nd jared-hughes 666 88 7 Jul 2022 682nd bricknellj 666 88 7 Feb 2023 682nd Fracture17 666 88 12 Apr 2023 682nd zacjl 666 88 19 Apr 2023 682nd StefanHabel 🇨🇦 666 88 17 Sep 2023 682nd bzijlema 🇳🇱 666 88 30 Nov 2023 682nd 051 🇸🇬 666 88 26 Dec 2023 682nd FCORMERAIS 666 88 7 Mar 2024 682nd CaedenHarper 🇨🇦 666 88 2 Aug 2024 682nd Seek64 🇩🇪 666 88 8 Oct 2024 682nd Bulmenisaurus 666 88 10 Nov 2024 682nd fuzzylojik-golf 🇺🇸 666 88 6 May 2025 682nd ryyyn 🇺🇸 666 88 11 Jun 2025 682nd edsrzf 🇳🇿 666 88 12 Jun 2025 682nd Lv0Sys 🇵🇱 666 88 22 Jun 2025 682nd xDragoxboi 666 88 30 Jun 2025 700th Shanethegamer 🇺🇸 666 202 9 Jul 2021 701st Ashikpaul 🇮🇳 665 87 29 Jul 2022 701st two-bad 🇬🇧 665 87 25 Feb 2024 703rd Kusarr 664 206 17 Dec 2020 704th roavin 663 134 27 Jun 2022 705th MeWhenI 🇻🇦 662 113 8 Mar 2023 706th sean-niemann 🇺🇸 662 134 19 Nov 2024 707th jacobly0 🇺🇸 662 228 22 Apr 2024 708th ovs-code 🇩🇪 661 84 29 Apr 2024 708th dokutan 661 84 20 Apr 2025 710th Alex-x90 🇺🇸 660 113 7 Mar 2023 711th cbrt-x 660 207 25 Sep 2021 712th stefangimmillaro 658 89 15 May 2022 712th jipsong 🇩🇪 658 89 21 Jul 2024 712th croc54 658 89 28 Nov 2024 715th ashtraypettingzoo 🇺🇸 657 48 5 Apr 2023 716th MeWhenI 🇻🇦 657 170 4 Sep 2024 717th CaedenHarper 🇨🇦 657 182 21 Dec 2024 718th BBoehm 🇩🇪 656 52 12 Feb 2021 719th dizzyliam 655 126 27 Oct 2021 720th stefangimmillaro 654 136 15 Jun 2025 721st Yewzir 🇧🇪 654 183 25 Oct 2023 722nd Re-Adventures 🇮🇳 654 209 19 Mar 2021 723rd btjones0 653 118 5 Jan 2021 724th nullie 651 90 9 Jun 2022 724th FortuiteMan 🇫🇷 651 90 14 Jul 2025 726th MeWhenI 🇻🇦 651 163 20 May 2023 727th RocketRammer 🇬🇧 650 84 14 Jul 2023 728th RDShah 650 89 6 Jan 2022 728th akshatj27 🇦🇶 650 89 11 Jan 2022 730th MeWhenI 🇻🇦 650 184 9 Feb 2023 731st Yewzir 🇧🇪 648 156 9 Feb 2024 732nd btjones0 648 186 5 Jan 2021 733rd jared-hughes 647 119 17 Jul 2022 734th SwordF-Official 644 49 20 Jun 2025 735th RustemB 🇷🇺 644 53 6 Dec 2020 736th Ralac07 🇦🇺 644 76 4 Jul 2024 737th fourth-bit 644 91 12 Nov 2022 737th mathisfun271 644 91 13 Feb 2024 739th Rohit-Lall 642 213 26 Feb 2024 739th DialFrost 🇸🇬 642 213 30 May 2025 741st albanian-laundromat 641 101 76 mins ago 742nd klixel 🇨🇦 641 188 6 Nov 2024 743rd HumanoidCPU 638 87 23 May 2024 743rd JunkIce 638 87 3 Dec 2024 745th 77Tigers 637 92 19 Feb 2021 745th smartiel 637 92 18 Sep 2022 745th alexeldridge 637 92 10 Aug 2024 748th Shanethegamer 🇺🇸 636 91 26 Apr 2022 748th HumanoidCPU 636 91 26 Apr 2024 750th Toanuvo 634 59 20 Jan 2022 Prev 676–750 of 1,922 Next