The Hilbert Curve hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Tic-tac-toe in all languages in bytes. 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 Bytes Time 151st JayXon 🇺🇸 868 109 24 May 2025 152nd stefangimmillaro 868 147 31 Jan 2025 153rd bitsandbeyond 🇳🇱 866 68 31 Jan 2025 154th IanUtley 863 118 16 Feb 2025 155th JayXon 🇺🇸 862 88 31 May 2025 156th sean-niemann 🇺🇸 862 107 31 Jan 2025 156th rucin93 🇵🇱 862 107 31 Jan 2025 158th DialFrost 🇸🇬 860 50 26 Jan 2025 158th pardouin 🇫🇷 860 50 29 Jan 2025 158th stefangimmillaro 860 50 3 Feb 2025 161st kg583 🇺🇸 859 92 29 Jan 2025 161st MeWhenI 🇻🇦 859 92 12 Jul 2025 163rd ovs-code 🇩🇪 859 98 31 Jan 2025 164th emgordon154 859 121 8 Jun 2025 165th MeWhenI 🇻🇦 858 63 13 Jul 2025 166th Natanaelel 🇸🇪 858 84 26 Jan 2025 167th ryyyn 🇺🇸 858 104 26 Jan 2025 167th 5cw 🇺🇸 858 104 1 Feb 2025 167th GrayJoKing 🇦🇺 858 104 2 Jul 2025 170th snyderek 🇺🇸 856 133 4 Feb 2025 171st CLOStrophobic 🇮🇹 855 134 25 Jan 2025 172nd 2bular 854 47 27 Jan 2025 173rd emgordon154 853 89 29 Jan 2025 173rd emplv 🇱🇻 853 89 28 Mar 2025 173rd MeWhenI 🇻🇦 853 89 13 Jul 2025 176th Kacarott 🇦🇺 853 106 15 Feb 2025 177th JayXon 🇺🇸 853 140 16 Feb 2025 178th error256 852 223 29 May 2025 179th sean-niemann 🇺🇸 851 145 31 Jan 2025 180th rucin93 🇵🇱 851 150 29 Jan 2025 180th sean-niemann 🇺🇸 851 150 30 Jan 2025 180th ovs-code 🇩🇪 851 150 31 Jan 2025 180th MeWhenI 🇻🇦 851 150 13 Jul 2025 184th stefangimmillaro 850 98 30 Jan 2025 184th nwellnhof 🇩🇪 850 98 21 Jul 2025 186th SirBogman 🇺🇸 850 105 29 Jan 2025 186th inventshah 850 105 14 Apr 2025 188th nwellnhof 🇩🇪 850 134 21 Jul 2025 189th annaproxy 848 120 16 Feb 2025 190th Natanaelel 🇸🇪 847 61 31 Jan 2025 191st antimon2 🇯🇵 845 74 27 Jan 2025 192nd nwellnhof 🇩🇪 845 112 21 Jul 2025 193rd DialFrost 🇸🇬 845 151 29 Jan 2025 194th edsrzf 🇳🇿 843 136 31 Jan 2025 195th m-tkach 🇺🇦 843 174 5 May 2025 196th duckyluuk 🇳🇱 842 106 5 Feb 2025 196th Artemis21 🇬🇧 842 106 13 Feb 2025 196th emgordon154 842 106 7 Jun 2025 199th DialFrost 🇸🇬 841 70 27 Jan 2025 200th rucin93 🇵🇱 841 91 29 Jan 2025 200th sean-niemann 🇺🇸 841 91 30 Jan 2025 202nd emgordon154 841 226 29 May 2025 203rd MeWhenI 🇻🇦 840 81 13 Jul 2025 204th kg583 🇺🇸 836 137 30 May 2025 205th m-tkach 🇺🇦 836 208 26 Jun 2025 206th DialFrost 🇸🇬 834 107 26 Jan 2025 206th anter69 🇭🇺 834 107 3 Feb 2025 206th ahmetdemirag 🇨🇾 834 107 14 Feb 2025 206th xsot 🇸🇬 834 107 4 Jul 2025 210th UnderKoen 🇳🇱 834 171 23 May 2025 211th DialFrost 🇸🇬 834 228 16 Feb 2025 212th DialFrost 🇸🇬 833 67 31 Jan 2025 213th stefangimmillaro 833 101 11 Jul 2025 214th edsrzf 🇳🇿 833 176 6 Jul 2025 215th primo-ppcg 🇹🇭 829 252 15 days ago 216th stackofbears 828 59 3 Feb 2025 217th MeWhenI 🇻🇦 828 98 27 Jan 2025 218th Bulmenisaurus 827 108 4 Feb 2025 218th lifthrasiir 🇰🇷 827 108 11 Feb 2025 220th edsrzf 🇳🇿 826 82 4 hours ago 221st MeWhenI 🇻🇦 826 111 27 Jan 2025 222nd SirBogman 🇺🇸 825 162 3 Feb 2025 223rd DialFrost 🇸🇬 823 90 27 Jan 2025 224th saito-ta 🇯🇵 823 115 9 Feb 2025 225th DialFrost 🇸🇬 822 76 30 Jan 2025 Prev 151–225 of 614 Next