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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 699th wuzekai518 526 123 10ms 8 Oct 2024 699th denkyuu1 526 123 16ms 10 Mar 2026 699th fuzzylojik-golf 🇺🇸 526 123 17ms 27 Mar 2026 704th dokutan 526 131 2ms 10 Feb 2026 705th Macweese 525 178 436ms 3 Aug 2025 706th galloj 🇨🇿 522 112 22ms 4 Oct 2024 707th NotEvenIndian 522 124 14ms 22 Oct 2024 707th ridingqwerty 🇺🇸 522 124 20ms 16 Jan 2025 707th CommandLeo 🇮🇹 522 124 11ms 5 Oct 2025 710th snoozingnewt 🇨🇦 520 213 138ms 2 Nov 2025 711th bac0id 519 180 392ms 9 Jan 2025 712th bnic24 517 125 18ms 3 Oct 2024 712th adoxography 517 125 10ms 22 Oct 2024 712th lelbal 517 125 10ms 14 Oct 2025 715th sidok 516 109 235ms 13 Nov 2024 716th dokutan 514 143 210ms 19 Oct 2024 717th nephila-nacrea 🇬🇧 513 77 4ms 2 Oct 2024 718th isaiah0311 🇺🇸 511 135 2ms 9 Feb 2026 719th KatieLG 🇬🇧 511 140 431ms 1 Oct 2024 720th emgordon154 511 156 9ms 13 Dec 2024 721st yoshykai 510 183 406ms 12 Apr 2025 722nd CatsAreFluffy 509 127 17ms 30 Oct 2024 722nd WillowWispy 509 127 11ms 25 May 2025 724th Chinay-Domitrix 🇺🇸 509 131 2,441ms 30 Mar 2025 725th KatieLG 🇬🇧 509 146 9ms 2 Oct 2024 726th msbranicky 504 138 3ms 3 Oct 2024 727th snoozingnewt 🇨🇦 504 142 471ms 2 Nov 2025 728th madex 🇩🇪 501 129 21ms 2 Oct 2024 728th RedzGoose 🇦🇺 501 129 11ms 15 Oct 2024 728th calebaitken 501 129 10ms 11 Apr 2025 728th rollershutter 501 129 19ms 20 Nov 2025 732nd blaztoma 🇱🇹 500 154 119ms 28 Nov 2025 733rd MeWhenI 🇻🇦 499 149 54ms 4 Oct 2024 734th Europe2048 497 130 11ms 2 Oct 2024 734th nstearns96 🇬🇧 497 130 17ms 2 Oct 2024 734th Stockoh 🇫🇷 497 130 17ms 4 Jul 2025 737th inverseLorentz 🇦🇺 494 131 12ms 7 Oct 2024 737th sciencejiho 494 131 24ms 11 Feb 2025 737th Jaydosu 494 131 11ms 11 Apr 2025 737th Emutis 🇱🇹 494 131 10ms 11 Nov 2025 741st HumanoidCPU 493 145 544ms 5 Oct 2024 742nd CarterStroik 493 161 2ms 19 Nov 2025 743rd owen-c-parker 🇺🇸 492 131 14ms 1 Oct 2024 744th h-hh-hhh 🇺🇦 491 177 63ms 2 Nov 2024 745th sultan 490 132 17ms 11 days ago 746th snoozingnewt 🇨🇦 490 150 198ms 2 Nov 2025 747th snoozingnewt 🇨🇦 490 249 26ms 2 Nov 2025 748th jlangvand 489 141 1ms 15 Oct 2024 748th HumanoidCPU 489 141 1ms 7 Mar 2025 750th snoozingnewt 🇨🇦 486 117 1,631ms 2 Nov 2025 751st Mabeloid 🇳🇴 486 133 10ms 2 Oct 2024 752nd snoozingnewt 🇨🇦 483 173 408ms 2 Nov 2025 753rd mitzal 483 180 63ms 9 Feb 2025 754th Mikey-Beep 🇬🇧 479 135 17ms 14 days ago 755th MiffOttah 477 150 506ms 6 Oct 2024 755th mwarvik 🇳🇴 477 150 446ms 1 Jan 2026 757th sciencedjinn 475 136 10ms 8 Nov 2024 757th mchalunderscore 475 136 20ms 4 Jan 2025 757th Florian-Mt 475 136 17ms 5 Dec 2025 760th alphafalfa 473 92 2ms 8 Nov 2024 761st kurkale6ka 472 137 29ms 16 Oct 2024 761st 4ndyJ 🇬🇧 472 137 12ms 14 Nov 2024 761st wobblybits 472 137 18ms 17 Aug 2025 761st Andrey2001 472 137 16ms 1 Feb 2026 761st tomh1012 472 137 18ms 4 Mar 2026 761st Aquateraneal 🇺🇸 472 137 18ms 8 Mar 2026 767th luca1339 472 198 414ms 4 Nov 2024 768th ejini6969 470 102 38ms 14 Jun 2025 769th h-hh-hhh 🇺🇦 469 147 1ms 2 Nov 2024 770th snoozingnewt 🇨🇦 469 200 260ms 2 Nov 2025 771st snoozingnewt 🇨🇦 465 121 214ms 27 Nov 2025 772nd iczelia 🇩🇪 463 94 2ms 23 Sep 2025 773rd NanduBC 462 140 11ms 1 Oct 2024 773rd jmerle 🇳🇱 462 140 10ms 10 Jan 2025 773rd RobertHoeh 462 140 10ms 3 Mar 2025 773rd smilesformiles3 462 140 18ms 12 Jun 2025 773rd artem-aramma 462 140 16ms 18 Jun 2025 778th Jacob385 462 202 420ms 2 Oct 2024 779th madex 🇩🇪 461 104 40ms 2 Oct 2024 780th FranklinJiaChen 459 141 13ms 2 Oct 2024 781st jbjd 457 151 2ms 4 Feb 2026 782nd TheZwierzLF 🇵🇱 456 105 37ms 8 Jan 2026 783rd brimstonetrader 455 142 16ms 17 Oct 2024 783rd codewrite 🇬🇧 455 142 12ms 5 May 2025 783rd RobGLambert 455 142 19ms 8 Jun 2025 783rd GodlyProgrammer1 455 142 18ms 22 Nov 2025 783rd jbjd 455 142 11ms 4 Feb 2026 788th snoozingnewt 🇨🇦 455 149 5ms 2 Nov 2025 789th Arkadios200 454 180 130ms 13 days ago 790th snoozingnewt 🇨🇦 453 96 2ms 2 Nov 2025 791st IISResetMe 453 103 488ms 27 Nov 2025 792nd TheZwierzLF 🇵🇱 453 127 505ms 12 Dec 2025 793rd GeneralFabian 452 143 10ms 9 Dec 2024 793rd CutSandstone 452 143 11ms 30 Jan 2025 793rd kistlerf 🇨🇭 452 143 17ms 19 May 2025 796th dokutan 451 63 3ms 26 Nov 2024 797th snoozingnewt 🇨🇦 451 176 2ms 2 Nov 2025 798th hiichbindermax 449 144 19ms 2 Oct 2024 798th mathisfun271 449 144 12ms 14 Oct 2024 798th bob-th 449 144 11ms 22 Oct 2024 First Prev 701–800 of 939 Next Last