The Hilbert Curve hole will go live in approximately 2 days. 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 451st jacklynnepenick 763 74 18 Aug 2021 451st mathisfun271 763 74 13 Feb 2024 451st redweasel 763 74 14 Jul 2025 454th MeWhenI 🇻🇦 763 78 30 Dec 2021 454th itsh01 763 78 13 Sep 2022 454th targrik 763 78 15 Mar 2025 457th MeWhenI 🇻🇦 760 88 14 Feb 2025 458th RustemB 🇷🇺 759 50 10 Apr 2021 458th mjecke 759 50 3 Jul 2023 458th snoozingnewt 🇺🇸 759 50 9 Sep 2024 458th 0dyse 759 50 7 May 2025 462nd GrayJoKing 🇦🇺 758 86 9 Dec 2020 462nd jared-hughes 758 86 15 Sep 2023 464th acotis 755 183 29 Jun 2025 465th b10011 🇫🇮 753 75 8 Jan 2023 466th Protothor 753 79 27 Jun 2025 467th DialFrost 🇸🇬 747 36 12 Sep 2023 468th namelessiw 747 72 5 Mar 2024 469th duckyluuk 🇳🇱 744 51 11 Jul 2024 469th Ripick 744 51 26 Jun 2025 471st ToriTheChicken 744 80 29 Jul 2020 471st BBoehm 🇩🇪 744 80 27 Jan 2021 471st stefangimmillaro 744 80 29 Aug 2023 474th marcin7Cd 743 76 4 Feb 2021 474th andrewjc2000 743 76 21 Mar 2025 476th sean-niemann 🇺🇸 741 52 2 Jun 2025 477th xsot 🇸🇬 738 114 21 Jun 2025 478th MeWhenI 🇻🇦 737 181 24 Feb 2023 479th DialFrost 🇸🇬 736 73 15 Jan 2024 480th cywong-amino 🇭🇰 735 81 1 Jul 2020 480th jared-hughes 735 81 10 Feb 2022 482nd LogicalJoe 733 77 10 Nov 2022 482nd stefangimmillaro 733 77 19 Dec 2022 482nd snydej 733 77 3 Dec 2024 482nd moustave 733 77 14 Mar 2025 486th bforte 732 89 26 Dec 2018 487th j-Ewan 732 195 15 Mar 2022 488th sean-niemann 🇺🇸 731 162 9 Dec 2023 489th msbranicky 730 52 12 Jan 2024 490th janbehrens 🇩🇪 729 134 21 Nov 2021 491st pardouin 🇫🇷 728 168 28 Mar 2025 492nd Yewzir 🇧🇪 727 37 20 Feb 2024 493rd m-tkach 🇺🇦 727 240 17 Dec 2023 494th emgordon154 726 37 30 Jun 2025 494th CaedenHarper 🇨🇦 726 37 6 days ago 496th two-bad 🇬🇧 726 82 25 Feb 2024 496th madeforlosers 726 82 5 Sep 2024 498th prplz 🇦🇺 725 56 8 Dec 2019 499th ovs-code 🇩🇪 723 96 3 Feb 2023 500th duckyluuk 🇳🇱 721 223 29 Oct 2024 501st voytxt 🇨🇿 717 75 3 Aug 2024 502nd Shanethegamer 🇺🇸 717 97 2 Jun 2022 503rd error256 714 68 13 Sep 2024 504th nstearns96 🇬🇧 714 79 23 Oct 2024 505th stefangimmillaro 713 87 9 May 2024 506th orthoplex 🇨🇽 712 57 31 Mar 2022 507th MeWhenI 🇻🇦 710 95 9 May 2024 508th stefangimmillaro 710 133 26 Sep 2023 509th didion0 🇺🇸 708 84 6 May 2021 509th LukeBridges 🇬🇧 708 84 3 Nov 2022 509th Salutations45 708 84 28 Jun 2025 512th clockworknazo 708 98 23 Oct 2022 513th lynn 708 228 4 Aug 2023 514th geofft 706 80 13 Dec 2020 514th betaveros 706 80 1 Jan 2023 514th commandblockguy 🇺🇸 706 80 22 Aug 2023 514th elgan65536 706 80 8 Apr 2024 518th janbehrens 🇩🇪 705 121 1 May 2023 519th yuchuehw 703 54 2 Jun 2024 520th CaedenHarper 🇨🇦 703 229 6 days ago 521st Mandrzejy 🇵🇱 702 168 14 Apr 2024 522nd MeWhenI 🇻🇦 702 230 6 Jun 2023 523rd marcin7Cd 701 93 13 Mar 2021 524th olivermrose 🇺🇸 700 58 25 Sep 2021 524th SirBogman 🇺🇸 700 58 1 Oct 2022 Prev 451–525 of 2,176 Next