The Hilbert Curve hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Number Spiral 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 376th JRaspass 🇬🇧 682 104 10 Jun 2022 376th nephila-nacrea 🇬🇧 682 104 10 Jun 2022 378th aposteriorist 🇨🇦 682 113 30 Jan 2022 378th aksyristos 682 113 30 Dec 2022 380th DialFrost 🇸🇬 681 130 17 Nov 2023 381st CLOStrophobic 🇮🇹 680 145 1 Mar 2025 382nd GrayJoKing 🇦🇺 679 146 2 Jun 2022 383rd HumanoidCPU 678 359 21 May 2024 384th Yax42 🇫🇷 677 150 28 Jul 2025 385th SirBogman 🇺🇸 676 114 11 May 2022 386th stefangimmillaro 676 156 11 Nov 2024 387th MeWhenI 🇻🇦 673 175 24 Jul 2023 388th stefangimmillaro 672 151 11 Nov 2024 389th RYNO8 671 115 25 Aug 2023 390th MeWhenI 🇻🇦 670 192 9 Feb 2023 391st edsrzf 🇳🇿 669 141 25 Nov 2024 392nd Natanaelel 🇸🇪 668 148 16 Jun 2025 393rd Yewzir 🇧🇪 668 160 4 Feb 2024 394th acotis 668 165 43 hours ago 395th AlephSquirrel 667 148 17 Mar 2023 396th MeWhenI 🇻🇦 666 124 29 Jan 2023 397th Yewzir 🇧🇪 666 213 27 Dec 2023 398th annaproxy 665 116 26 Jan 2022 398th Bubbler-4 665 116 28 Jan 2022 398th QuincyNash 🇺🇸 665 116 29 Nov 2022 398th firegene 🇮🇪 665 116 26 Jan 2023 398th KasperKivimaeki 🇫🇮 665 116 5 Jul 2025 403rd DialFrost 🇸🇬 664 106 2 Jun 2024 404th MeWhenI 🇻🇦 663 214 26 Jan 2022 405th dokutan 663 367 31 Oct 2023 405th CaedenHarper 🇨🇦 663 367 24 Jan 2025 407th DialFrost 🇸🇬 661 169 25 Dec 2023 408th MarcMush 🇫🇷 659 93 7 Jan 2024 409th Irratix 🇳🇱 659 117 25 Apr 2022 409th mathisfun271 659 117 15 Dec 2023 409th ndren 659 117 25 Jul 2025 412th jared-hughes 659 128 17 Jul 2022 413th yzhs 🇩🇪 659 150 26 Jun 2023 414th tayloia 🇬🇧 658 123 2 May 2023 414th targrik 658 123 9 Jun 2025 416th commandblockguy 🇺🇸 657 111 15 Jan 2024 417th Jasper-Ty 🇵🇭 657 136 27 Apr 2024 418th emgordon154 656 196 17 Jan 2025 419th GrayJoKing 🇦🇺 655 110 27 Jul 2025 420th Yewzir 🇧🇪 655 145 22 Dec 2024 421st stefangimmillaro 654 169 31 Aug 2023 422nd CaedenHarper 🇨🇦 653 118 15 days ago 423rd error256 653 136 23 Dec 2024 424th DialFrost 🇸🇬 653 150 15 Apr 2025 425th MeWhenI 🇻🇦 652 153 4 Sep 2024 426th stefangimmillaro 652 169 13 Nov 2023 427th BlankSpruce 652 170 7 Aug 2024 428th SirBogman 🇺🇸 651 112 20 Jan 2024 428th CaedenHarper 🇨🇦 651 112 15 days ago 430th pschmid0 🇺🇸 651 136 23 Oct 2022 431st InigoK 🇺🇸 648 119 8 Jun 2023 432nd error256 648 138 24 Dec 2024 433rd DialFrost 🇸🇬 645 95 24 May 2024 434th Alex-x90 🇺🇸 643 120 15 Sep 2023 434th fourth-bit 643 120 8 Oct 2024 436th madex 🇩🇪 643 139 18 Mar 2022 437th duckyluuk 🇳🇱 643 186 18 Dec 2024 438th m-tkach 🇺🇦 640 153 27 Oct 2022 439th betaveros 637 121 6 Jan 2023 440th stefangimmillaro 637 127 27 Sep 2024 441st HumanoidCPU 637 174 29 Aug 2024 442nd rucin93 🇵🇱 635 121 27 Dec 2024 443rd tatzyr 🇯🇵 634 111 15 Feb 2025 444th hemphen 634 160 6 Aug 2022 445th Artemis21 🇬🇧 632 122 10 Jan 2025 445th plcc0 632 122 25 Mar 2025 447th MeWhenI 🇻🇦 631 179 4 Mar 2022 448th KenanSi 630 48 24 Feb 2022 449th Yewzir 🇧🇪 627 162 30 Dec 2023 450th Waffle3z 627 177 26 Jan 2022 Prev 376–450 of 1,654 Next