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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 🇺🇸 888 54 37ms 12 Oct 2025 98th blaztoma 🇱🇹 888 54 37ms 19 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 886 106 151ms 29 May 2025 107th nwellnhof 🇩🇪 885 135 328ms 16 Oct 2024 107th edsrzf 🇳🇿 885 135 303ms 21 Feb 2026 109th dmrichwa 🇺🇸 884 73 12ms 5 Oct 2024 109th DialFrost 🇸🇬 884 73 11ms 12 Oct 2024 111th ovs-code 🇩🇪 883 69 4ms 4 Oct 2024 111th edsrzf 🇳🇿 883 69 4ms 10 Nov 2025 113th JayXon 🇺🇸 883 79 111ms 17 Oct 2024 114th GrayJoKing 🇦🇺 883 90 2ms 3 Oct 2024 114th FlyingPenguin223 883 90 2ms 16 Oct 2024 116th JayXon 🇺🇸 883 95 418ms 23 Jul 2025 117th JayXon 🇺🇸 881 93 121ms 14 Oct 2024 118th sean-niemann 🇺🇸 880 76 2,661ms 24 Oct 2024 119th JayXon 🇺🇸 879 84 163ms 24 May 2025 120th edsrzf 🇳🇿 879 91 7ms 16 Aug 2025 121st edsrzf 🇳🇿 878 110 7ms 21 Mar 2026 122nd xsot 🇸🇬 876 66 803ms 22 Feb 2026 123rd JayXon 🇺🇸 876 117 2ms 5 Oct 2024 124th ovs-code 🇩🇪 876 127 127ms 2 Oct 2024 125th DialFrost 🇸🇬 874 74 114ms 17 Mar 2025 125th albanian-laundromat 🇺🇸 874 74 21ms 3 Nov 2025 125th plcc0 874 74 18ms 12 Jan 2026 128th edsrzf 🇳🇿 874 107 798ms 20 Feb 2026 129th sean-niemann 🇺🇸 873 66 458ms 30 Dec 2025 130th KasperKivimaeki 🇫🇮 873 79 2ms 6 Dec 2025 131st Shanethegamer 🇺🇸 873 91 2ms 4 Oct 2024 132nd ovs-code 🇩🇪 872 55 37ms 5 Oct 2024 133rd Natanaelel 🇸🇪 872 74 13ms 1 Oct 2024 133rd helbling 🇨🇭 872 74 13ms 1 Oct 2024 133rd Irratix 🇳🇱 872 74 13ms 14 Oct 2024 133rd emgordon154 872 74 12ms 18 Nov 2024 137th UnderKoen 🇳🇱 870 86 7ms 4 Oct 2024 138th JayXon 🇺🇸 870 104 84ms 6 Oct 2024 139th kg583 🇺🇸 870 111 7ms 20 Feb 2026 140th GrayJoKing 🇦🇺 869 87 12ms 25 Nov 2025 141st kumavale 869 108 153ms 21 days ago 142nd emgordon154 868 77 2,598ms 8 Nov 2024 143rd edsrzf 🇳🇿 867 82 5ms 26 Mar 2026 144th JayXon 🇺🇸 865 95 445ms 4 Oct 2024 145th pardouin 🇫🇷 863 66 1,441ms 10 Apr 2025 146th tomtheisen 🇺🇸 863 83 488ms 10 Feb 2025 147th ovs-code 🇩🇪 862 29 46ms 4 Oct 2024 148th edsrzf 🇳🇿 862 90 104ms 18 Dec 2025 148th snoozingnewt 🇨🇦 862 90 97ms 13 days ago 150th Natanaelel 🇸🇪 861 33 2ms 6 Oct 2024 150th GrayJoKing 🇦🇺 861 33 2ms 6 Jun 2025 150th SirBogman 🇺🇸 861 33 2ms 8 Jul 2025 153rd kg583 🇺🇸 860 67 441ms 1 Oct 2024 154th nwellnhof 🇩🇪 860 68 10ms 5 Oct 2024 155th voytxt 🇨🇿 860 75 9ms 1 Oct 2024 155th MeWhenI 🇻🇦 860 75 14ms 2 Oct 2024 155th m-tkach 🇺🇦 860 75 13ms 5 Oct 2024 155th error256 860 75 15ms 7 Oct 2024 159th m-tkach 🇺🇦 860 87 7ms 6 Oct 2024 160th kg583 🇺🇸 860 93 6ms 20 Feb 2026 161st ovs-code 🇩🇪 859 46 5ms 4 Oct 2024 161st nwellnhof 🇩🇪 859 46 4ms 7 Oct 2024 163rd stefangimmillaro 859 139 337ms 3 Oct 2024 164th marshallward 🇺🇸 858 127 45ms 22 days ago 165th edsrzf 🇳🇿 858 143 29ms 25 days ago 166th MostParsingVex 857 100 18ms 1 Oct 2024 167th sean-niemann 🇺🇸 856 68 142ms 1 Oct 2024 168th kg583 🇺🇸 856 134 43ms 20 Feb 2026 168th edsrzf 🇳🇿 856 134 41ms 21 Mar 2026 170th sean-niemann 🇺🇸 855 51 2ms 2 Oct 2024 171st JayXon 🇺🇸 854 106 1,509ms 10 days ago 172nd error256 853 106 94ms 8 Oct 2024 173rd m-tkach 🇺🇦 852 144 79ms 8 Oct 2024 174th emgordon154 851 67 1,334ms 18 Nov 2024 175th lifthrasiir 🇰🇷 851 76 11ms 16 Nov 2024 175th snoozingnewt 🇨🇦 851 76 10ms 6 Dec 2025 175th dokutan 851 76 18ms 14 Mar 2026 178th edsrzf 🇳🇿 851 98 7ms 25 Feb 2026 179th IanUtley 851 113 19ms 2 Oct 2024 180th sean-niemann 🇺🇸 851 114 41ms 2 Oct 2024 181st primo-ppcg 🇹🇭 851 128 41ms 27 Apr 2025 182nd Lv0Sys 🇵🇱 849 76 10ms 22 Feb 2026 183rd lynn 849 131 138ms 8 Jan 2025 183rd edsrzf 🇳🇿 849 131 168ms 26 Mar 2026 185th duckyluuk 🇳🇱 847 68 469ms 4 Oct 2024 186th kg583 🇺🇸 847 84 5ms 26 Mar 2026 187th sean-niemann 🇺🇸 847 121 2ms 30 Nov 2024 187th edsrzf 🇳🇿 847 121 3ms 21 Feb 2026 189th KasperKivimaeki 🇫🇮 847 141 311ms 9 Oct 2025 190th emplv 🇱🇻 847 145 28ms 24 Oct 2024 191st error256 845 94 2ms 7 Oct 2024 192nd KasperKivimaeki 🇫🇮 845 103 435ms 8 Dec 2025 193rd edsrzf 🇳🇿 845 131 28ms 10 Feb 2026 194th edsrzf 🇳🇿 843 115 3ms 19 Dec 2025 195th Shanethegamer 🇺🇸 842 67 276ms 3 Oct 2024 195th antimon2 🇯🇵 842 67 478ms 9 Oct 2024 197th GrayJoKing 🇦🇺 841 47 5ms 1 Oct 2024 197th Steffan153 🇫🇮 841 47 4ms 16 Feb 2026 199th xsot 🇸🇬 841 57 38ms 6 May 2025 200th xsot 🇸🇬 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