The Hilbert Curve hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Evil Numbers in C# 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 1st JayXon 🇺🇸 1,000 54 21 Nov 2021 1st Lydxn 🇨🇦 1,000 54 9 Mar 2022 1st Steffan153 🇫🇮 1,000 54 2 Aug 2024 1st sean-niemann 🇺🇸 1,000 54 6 Aug 2024 5th stefangimmillaro 982 55 12 Jun 2023 5th DialFrost 🇸🇬 982 55 16 Jan 2024 5th namelessiw 982 55 27 Jul 2024 5th fuzzylojik-golf 🇺🇸 982 55 9 days ago 9th Attero 🇸🇪 964 56 21 Nov 2021 9th btnlq 964 56 21 Nov 2021 9th iznax 964 56 21 Nov 2021 9th janbehrens 🇩🇪 964 56 21 Nov 2021 9th MeWhenI 🇻🇦 964 56 21 Nov 2021 9th nathanadams 🇳🇿 964 56 21 Nov 2021 9th nwellnhof 🇩🇪 964 56 21 Nov 2021 9th primo-ppcg 🇹🇭 964 56 21 Nov 2021 9th prplz 🇦🇺 964 56 21 Nov 2021 9th ScottHamper 964 56 21 Nov 2021 9th sisyphus-ppcg 🇦🇺 964 56 21 Nov 2021 9th tomtheisen 🇺🇸 964 56 21 Nov 2021 9th Irratix 🇳🇱 964 56 13 Dec 2021 9th Giga-Bowser 964 56 20 Dec 2021 9th p-vf 🇨🇭 964 56 16 Jul 2022 9th AdrienHache 🇫🇷 964 56 28 May 2023 9th Yewzir 🇧🇪 964 56 14 Oct 2023 9th Betuaredead 964 56 12 Nov 2023 9th Herbert00709 🇵🇱 964 56 22 Dec 2023 9th billings7 🇬🇧 964 56 21 May 2024 9th pardouin 🇫🇷 964 56 4 Sep 2024 30th Shanethegamer 🇺🇸 915 59 22 Mar 2023 31st annaproxy 900 60 28 Mar 2022 31st Yax42 🇫🇷 900 60 31 May 2025 33rd wiz0u 885 61 25 May 2023 34th dokutan 844 64 4 Apr 2024 35th Matgc04 831 65 24 Aug 2023 35th Tyrant7 831 65 20 Apr 2025 37th roavin 818 66 5 May 2022 37th adyache 🇺🇸 818 66 7 Jun 2023 37th HumanEquivalentUnit 818 66 24 Oct 2023 40th Andriamanitra 🇫🇮 806 67 16 Aug 2024 41st vmcnabb 🇳🇿 794 68 21 Nov 2021 41st ericlangedijk 🇸🇮 794 68 23 May 2023 41st kenthie42 794 68 7 Aug 2024 41st gpikmddk 794 68 12 Aug 2024 45th AdrialaD 783 69 21 Nov 2021 45th postie77 783 69 18 Apr 2023 45th tomh1012 783 69 30 hours ago 48th LS2021 771 70 24 Nov 2023 49th software-is-art 761 71 21 Nov 2021 49th SmartK8 🇨🇿 761 71 13 Oct 2022 49th Seanharrs 761 71 13 Oct 2024 49th najs91 761 71 14 Oct 2024 53rd tdkkdt 🇷🇺 750 72 21 Nov 2021 54th Anonymousellama21 730 74 30 Dec 2021 54th acer-xq 730 74 7 Aug 2024 54th arcpolaris 730 74 26 Mar 2025 57th ertz1ertz 720 75 10 Sep 2024 57th Grabnukebomb 720 75 10 Sep 2024 59th jazzcurio 711 76 23 Jul 2024 60th arctouch-cristiannevianna 692 78 29 May 2023 61st jahakari 675 80 21 Nov 2021 62nd Adelzu 667 81 21 Nov 2021 62nd aliakseikalosha 667 81 21 Nov 2021 62nd c0d3-4-F00d 🇩🇪 667 81 21 Nov 2021 62nd xenix1337 667 81 28 Nov 2021 62nd Endoxos0 667 81 4 Sep 2022 62nd 5quiwyrm 667 81 26 Sep 2022 62nd Adix-null 🇱🇹 667 81 18 Jul 2023 62nd gidHog 667 81 21 Nov 2023 62nd rifatx 667 81 6 Jul 2024 62nd Maximizer02 667 81 23 Sep 2024 72nd josephdwalker 659 82 4 Oct 2023 73rd hklemp 🇩🇪 651 83 21 Nov 2021 73rd bac0id 651 83 22 Sep 2023 75th ChristophHornung 643 84 21 Nov 2021 1–75 of 136 Next