The Hilbert Curve hole will go live in approximately 32 hours. Why not try and solve it ahead of time?
Roman to Arabic 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 451st m-tkach 🇺🇦 820 150 6 Dec 2022 452nd primo-ppcg 🇹🇭 819 120 24 Oct 2021 453rd akshatj27 🇦🇶 817 93 11 Jan 2022 453rd duckyluuk 🇳🇱 817 93 9 Oct 2024 455th AlephSquirrel 816 98 21 Oct 2024 456th Shanethegamer 🇺🇸 816 111 6 Nov 2023 456th ovs-code 🇩🇪 816 111 27 Jan 2024 458th DialFrost 🇸🇬 816 289 17 days ago 459th Shanethegamer 🇺🇸 815 76 12 Dec 2021 460th stefangimmillaro 815 156 2 Oct 2023 461st GrayJoKing 🇦🇺 814 111 3 Dec 2023 462nd jacklynnepenick 812 117 13 Aug 2021 462nd RYNO8 812 117 3 Sep 2021 462nd plcc0 812 117 2 May 2025 465th dokutan 811 71 7 Apr 2025 466th GrayJoKing 🇦🇺 811 103 30 Oct 2023 466th Shanethegamer 🇺🇸 811 103 22 Apr 2025 468th frankgraziano 811 291 18 days ago 469th Yewzir 🇧🇪 810 157 9 Jun 2024 470th edsrzf 🇳🇿 809 75 22 Jul 2025 471st DialFrost 🇸🇬 808 112 8 Oct 2024 471st DialFrost 🇸🇬 808 112 15 Apr 2025 473rd sean-niemann 🇺🇸 807 141 31 Oct 2023 474th CaedenHarper 🇨🇦 806 157 12 days ago 475th DialFrost 🇸🇬 805 100 11 days ago 476th lifthrasiir 🇰🇷 805 118 20 Nov 2024 477th typeswitch-dev 🇵🇹 804 126 6 Jul 2024 478th mrondon8 804 158 5 Sep 2021 479th DialFrost 🇸🇬 803 98 28 Jul 2024 480th emgordon154 803 111 13 Dec 2024 481st Yewzir 🇧🇪 802 82 5 Feb 2025 482nd MeWhenI 🇻🇦 801 105 5 Jul 2024 483rd MeWhenI 🇻🇦 801 113 15 Nov 2022 483rd sean-niemann 🇺🇸 801 113 8 Oct 2024 485th Irratix 🇳🇱 800 95 22 Mar 2022 485th KatieLG 🇬🇧 800 95 16 Nov 2023 487th lynn 799 47 10 Jan 2022 488th bzijlema 🇳🇱 798 119 3 Jul 2024 489th lynn 798 159 21 Jul 2023 490th MeWhenI 🇻🇦 797 128 10 Oct 2023 490th rucin93 🇵🇱 797 128 22 Apr 2025 492nd DialFrost 🇸🇬 797 129 5 Jun 2024 493rd MeWhenI 🇻🇦 797 152 17 May 2023 494th MeWhenI 🇻🇦 796 45 28 Jul 2022 495th FlorianCassayre 🇫🇷 795 44 26 May 2024 496th scpchicken 🇵🇼 794 78 4 May 2022 497th Shanethegamer 🇺🇸 794 114 30 Oct 2023 498th sean-niemann 🇺🇸 794 126 5 May 2023 499th KatieLG 🇬🇧 793 99 17 Aug 2024 500th DialFrost 🇸🇬 793 106 12 Feb 2024 501st vezzick 792 120 5 Mar 2021 502nd janbehrens 🇩🇪 789 161 16 May 2023 503rd MeWhenI 🇻🇦 787 100 28 May 2023 504th ZakkkkAttackkkk 🇵🇭 785 121 26 Aug 2023 505th Shanethegamer 🇺🇸 782 74 6 Jan 2022 506th wiz0u 781 103 11 days ago 507th Yewzir 🇧🇪 780 217 26 May 2024 508th janbehrens 🇩🇪 779 78 3 Dec 2023 509th OllieBoyne 🇬🇧 779 122 3 Jun 2021 510th SirBogman 🇺🇸 778 101 20 Jan 2024 511th MeWhenI 🇻🇦 778 303 21 Apr 2025 512th Steffan153 🇫🇮 776 103 14 Feb 2024 513th m-tkach 🇺🇦 773 133 14 Aug 2023 513th michaelmoynihan 773 133 2 days ago 515th Yewzir 🇧🇪 773 139 9 Jun 2024 516th rowechenzhong 772 123 25 Mar 2020 516th giacomogallina 772 123 21 May 2020 516th MichalMarsalek 🇨🇿 772 123 9 Oct 2022 519th Shanethegamer 🇺🇸 769 79 31 Oct 2023 519th dcgjb 769 79 16 May 2024 521st MeWhenI 🇻🇦 767 118 4 Mar 2022 522nd SirBogman 🇺🇸 766 49 16 Nov 2023 523rd MeWhenI 🇻🇦 766 105 3 Aug 2024 524th MeWhenI 🇻🇦 766 117 17 Nov 2022 525th CaedenHarper 🇨🇦 764 83 11 days ago Prev 451–525 of 1,356 Next