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Card Number Validation in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 98th sean-niemann 🇺🇸 887 54 37ms 12 Oct 2025 98th blaztoma 🇱🇹 887 54 37ms 20 days ago 103rd canissimia 🇦🇶 886 66 9ms 1 Oct 2024 104th moustave 886 73 23ms 5 Nov 2024 104th emgordon154 886 73 19ms 18 Nov 2024 106th acotis 884 106 151ms 29 May 2025 107th dmrichwa 🇺🇸 883 73 12ms 5 Oct 2024 107th DialFrost 🇸🇬 883 73 11ms 12 Oct 2024 109th nwellnhof 🇩🇪 883 135 328ms 16 Oct 2024 109th edsrzf 🇳🇿 883 135 303ms 21 Feb 2026 111th GrayJoKing 🇦🇺 881 90 2ms 3 Oct 2024 111th FlyingPenguin223 881 90 2ms 16 Oct 2024 113th JayXon 🇺🇸 880 95 418ms 23 Jul 2025 114th JayXon 🇺🇸 879 79 111ms 17 Oct 2024 115th ovs-code 🇩🇪 878 69 4ms 4 Oct 2024 115th edsrzf 🇳🇿 878 69 4ms 10 Nov 2025 117th sean-niemann 🇺🇸 878 76 2,661ms 24 Oct 2024 118th JayXon 🇺🇸 878 93 121ms 14 Oct 2024 119th JayXon 🇺🇸 876 84 163ms 24 May 2025 120th edsrzf 🇳🇿 876 91 7ms 16 Aug 2025 121st edsrzf 🇳🇿 875 110 7ms 21 Mar 2026 122nd xsot 🇸🇬 874 66 803ms 22 Feb 2026 123rd albanian-laundromat 🇺🇸 874 74 21ms 3 Nov 2025 123rd plcc0 874 74 18ms 12 Jan 2026 125th KasperKivimaeki 🇫🇮 873 79 2ms 6 Dec 2025 126th edsrzf 🇳🇿 873 107 798ms 20 Feb 2026 127th ovs-code 🇩🇪 873 127 127ms 2 Oct 2024 128th sean-niemann 🇺🇸 872 66 458ms 30 Dec 2025 129th JayXon 🇺🇸 872 117 2ms 5 Oct 2024 130th ovs-code 🇩🇪 871 55 37ms 5 Oct 2024 131st Natanaelel 🇸🇪 871 74 13ms 1 Oct 2024 131st helbling 🇨🇭 871 74 13ms 1 Oct 2024 131st Irratix 🇳🇱 871 74 13ms 14 Oct 2024 131st emgordon154 871 74 12ms 18 Nov 2024 135th Shanethegamer 🇺🇸 871 91 2ms 4 Oct 2024 136th GrayJoKing 🇦🇺 869 87 12ms 25 Nov 2025 137th DialFrost 🇸🇬 868 74 114ms 17 Mar 2025 138th kumavale 868 108 153ms 22 days ago 139th emgordon154 867 77 2,598ms 8 Nov 2024 140th kg583 🇺🇸 867 111 7ms 20 Feb 2026 141st UnderKoen 🇳🇱 865 86 7ms 4 Oct 2024 142nd JayXon 🇺🇸 865 104 84ms 6 Oct 2024 143rd ovs-code 🇩🇪 862 29 46ms 4 Oct 2024 144th tomtheisen 🇺🇸 862 83 488ms 10 Feb 2025 145th pardouin 🇫🇷 861 66 1,441ms 10 Apr 2025 146th edsrzf 🇳🇿 861 82 5ms 26 Mar 2026 147th Natanaelel 🇸🇪 860 33 2ms 6 Oct 2024 147th GrayJoKing 🇦🇺 860 33 2ms 6 Jun 2025 147th SirBogman 🇺🇸 860 33 2ms 8 Jul 2025 150th nwellnhof 🇩🇪 860 68 10ms 5 Oct 2024 151st voytxt 🇨🇿 860 75 9ms 1 Oct 2024 151st MeWhenI 🇻🇦 860 75 14ms 2 Oct 2024 151st m-tkach 🇺🇦 860 75 13ms 5 Oct 2024 151st error256 860 75 15ms 7 Oct 2024 155th kg583 🇺🇸 859 67 441ms 1 Oct 2024 156th JayXon 🇺🇸 859 95 445ms 4 Oct 2024 157th ovs-code 🇩🇪 858 46 5ms 4 Oct 2024 157th nwellnhof 🇩🇪 858 46 4ms 7 Oct 2024 159th kg583 🇺🇸 857 93 6ms 20 Feb 2026 160th stefangimmillaro 857 139 337ms 3 Oct 2024 161st edsrzf 🇳🇿 856 90 104ms 18 Dec 2025 161st snoozingnewt 🇨🇦 856 90 97ms 14 days ago 163rd m-tkach 🇺🇦 855 87 7ms 6 Oct 2024 164th sean-niemann 🇺🇸 854 68 142ms 1 Oct 2024 165th edsrzf 🇳🇿 854 143 29ms 26 days ago 166th sean-niemann 🇺🇸 853 51 2ms 2 Oct 2024 167th marshallward 🇺🇸 853 127 45ms 23 days ago 168th lifthrasiir 🇰🇷 851 76 11ms 16 Nov 2024 168th snoozingnewt 🇨🇦 851 76 10ms 6 Dec 2025 168th dokutan 851 76 18ms 14 Mar 2026 171st kg583 🇺🇸 851 134 43ms 20 Feb 2026 171st edsrzf 🇳🇿 851 134 41ms 21 Mar 2026 173rd MostParsingVex 850 100 18ms 1 Oct 2024 174th error256 849 106 94ms 8 Oct 2024 175th emgordon154 848 67 1,334ms 18 Nov 2024 176th Lv0Sys 🇵🇱 848 76 10ms 22 Feb 2026 177th m-tkach 🇺🇦 848 144 79ms 8 Oct 2024 178th JayXon 🇺🇸 847 106 1,509ms 10 days ago 179th duckyluuk 🇳🇱 846 68 469ms 4 Oct 2024 180th primo-ppcg 🇹🇭 846 128 41ms 27 Apr 2025 181st lynn 846 131 138ms 8 Jan 2025 181st edsrzf 🇳🇿 846 131 168ms 26 Mar 2026 183rd KasperKivimaeki 🇫🇮 845 141 311ms 9 Oct 2025 184th error256 844 94 2ms 7 Oct 2024 185th KasperKivimaeki 🇫🇮 844 103 435ms 8 Dec 2025 186th IanUtley 844 113 19ms 2 Oct 2024 187th sean-niemann 🇺🇸 844 114 41ms 2 Oct 2024 188th sean-niemann 🇺🇸 844 121 2ms 30 Nov 2024 188th edsrzf 🇳🇿 844 121 3ms 21 Feb 2026 190th edsrzf 🇳🇿 843 98 7ms 25 Feb 2026 191st emplv 🇱🇻 842 145 28ms 24 Oct 2024 192nd xsot 🇸🇬 841 82 2ms 6 May 2025 193rd GrayJoKing 🇦🇺 840 47 5ms 1 Oct 2024 193rd Steffan153 🇫🇮 840 47 4ms 16 Feb 2026 195th xsot 🇸🇬 840 57 38ms 6 May 2025 196th Shanethegamer 🇺🇸 840 67 276ms 3 Oct 2024 196th antimon2 🇯🇵 840 67 478ms 9 Oct 2024 198th jatloe 840 77 11ms 1 Oct 2024 199th kg583 🇺🇸 840 84 5ms 26 Mar 2026 200th emplv 🇱🇻 839 142 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