The Hilbert Curve hole will go live in approximately 30 hours. Why not try and solve it ahead of time?
τ 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 sean-niemann 🇺🇸 764 96 14 Mar 2025 452nd jacklynnepenick 763 74 18 Aug 2021 452nd mathisfun271 763 74 13 Feb 2024 452nd redweasel 763 74 14 Jul 2025 455th MeWhenI 🇻🇦 763 78 30 Dec 2021 455th itsh01 763 78 13 Sep 2022 455th targrik 763 78 15 Mar 2025 458th MeWhenI 🇻🇦 760 88 14 Feb 2025 459th RustemB 🇷🇺 759 50 10 Apr 2021 459th mjecke 759 50 3 Jul 2023 459th snoozingnewt 🇺🇸 759 50 9 Sep 2024 459th 0dyse 759 50 7 May 2025 463rd GrayJoKing 🇦🇺 758 86 9 Dec 2020 463rd jared-hughes 758 86 15 Sep 2023 465th acotis 755 183 29 Jun 2025 466th b10011 🇫🇮 753 75 8 Jan 2023 467th Protothor 753 79 27 Jun 2025 468th DialFrost 🇸🇬 747 36 12 Sep 2023 469th namelessiw 747 72 5 Mar 2024 470th duckyluuk 🇳🇱 744 51 11 Jul 2024 470th Ripick 744 51 26 Jun 2025 472nd ToriTheChicken 744 80 29 Jul 2020 472nd BBoehm 🇩🇪 744 80 27 Jan 2021 472nd stefangimmillaro 744 80 29 Aug 2023 475th marcin7Cd 743 76 4 Feb 2021 475th andrewjc2000 743 76 21 Mar 2025 477th sean-niemann 🇺🇸 741 52 2 Jun 2025 478th xsot 🇸🇬 738 114 21 Jun 2025 479th MeWhenI 🇻🇦 737 181 24 Feb 2023 480th DialFrost 🇸🇬 736 73 15 Jan 2024 481st cywong-amino 🇭🇰 735 81 1 Jul 2020 481st jared-hughes 735 81 10 Feb 2022 483rd LogicalJoe 733 77 10 Nov 2022 483rd stefangimmillaro 733 77 19 Dec 2022 483rd snydej 733 77 3 Dec 2024 483rd moustave 733 77 14 Mar 2025 487th bforte 732 89 26 Dec 2018 488th j-Ewan 732 195 15 Mar 2022 489th sean-niemann 🇺🇸 731 162 9 Dec 2023 490th msbranicky 730 52 12 Jan 2024 491st janbehrens 🇩🇪 729 134 21 Nov 2021 492nd pardouin 🇫🇷 728 168 28 Mar 2025 493rd Yewzir 🇧🇪 727 37 20 Feb 2024 494th m-tkach 🇺🇦 727 240 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229 7 days ago 522nd Mandrzejy 🇵🇱 702 168 14 Apr 2024 523rd MeWhenI 🇻🇦 702 230 6 Jun 2023 524th marcin7Cd 701 93 13 Mar 2021 525th olivermrose 🇺🇸 700 58 25 Sep 2021 Prev 451–525 of 2,178 Next