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PalindromemordnilaP 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 Huffman Encoder 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 Huffman Encoder 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 398th cros107 🇦🇺 718 87 11ms 2 Sep 2024 398th inventshah 718 87 11ms 2 Sep 2024 398th annaproxy 718 87 13ms 3 Sep 2024 398th BoBz200 718 87 11ms 20 Sep 2024 398th ehulinsky 🇺🇸 718 87 10ms 3 Apr 2025 398th chartung17 718 87 10ms 7 Apr 2025 398th 40fied4t 718 87 10ms 6 May 2025 398th ryyyn 🇺🇸 718 87 11ms 10 Jun 2025 398th commandz0 🇺🇸 718 87 10ms 11 Jul 2025 398th hiichbindermax 718 87 10ms 19 Aug 2025 398th robin-scragg 718 87 11ms 18 Oct 2025 398th blaztoma 🇱🇹 718 87 10ms 11 Jan 2026 398th Lv0Sys 🇵🇱 718 87 11ms 22 Feb 2026 398th OllieBoyne 🇬🇧 718 87 10ms 10 days ago 398th TudyM 🇷🇴 718 87 10ms 4 days ago 416th anter69 🇭🇺 717 59 76ms 25 Oct 2024 417th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 418th KatieLG 🇬🇧 716 99 12ms 5 Oct 2025 419th mykytamatiukha 716 168 239ms 15 Jan 2026 420th snyderek 🇺🇸 712 150 61ms 15 Sep 2024 421st AlephSquirrel 710 88 137ms 1 Sep 2024 421st ahmetdemirag 🇨🇾 710 88 9ms 3 Sep 2024 421st hellwue 710 88 11ms 4 Sep 2024 421st Schreipfelerer 710 88 11ms 11 Sep 2024 421st bob-th 710 88 10ms 17 Sep 2024 421st InigoK 🇺🇸 710 88 10ms 18 Sep 2024 421st moustave 710 88 11ms 24 Oct 2024 421st andrewjc2000 710 88 9ms 10 Mar 2025 421st KasperKivimaeki 🇫🇮 710 88 21ms 19 Feb 2026 430th alexsave 709 100 10ms 22 Sep 2024 430th JOrE20 709 100 11ms 21 Feb 2026 432nd Shanethegamer 🇺🇸 709 114 109ms 2 Sep 2024 433rd emgordon154 708 85 121ms 1 Sep 2024 434th error256 705 97 15ms 14 Jan 2026 435th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 435th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 435th dokutan 704 98 2ms 14 Sep 2024 438th MostParsingVex 703 152 1,799ms 18 Mar 2026 439th CaedenHarper 🇨🇦 703 187 352ms 8 Nov 2025 440th DialFrost 🇸🇬 702 61 758ms 31 Aug 2025 440th Steffan153 🇫🇮 702 61 740ms 17 Feb 2026 442nd davecame 702 89 10ms 17 Sep 2024 442nd Bmrl7 702 89 11ms 3 Oct 2024 442nd DialFrost 🇸🇬 702 89 12ms 21 Nov 2024 442nd CommandLeo 🇮🇹 702 89 10ms 27 Nov 2025 442nd ThijsLuttikhuis 702 89 10ms 22 Mar 2026 442nd vang1ong7ang 🇦🇶 702 89 10ms 3 days ago 448th ovs-code 🇩🇪 702 128 2ms 1 Sep 2024 449th CaedenHarper 🇨🇦 701 83 540ms 9 Aug 2025 450th GrayJoKing 🇦🇺 700 86 127ms 2 Sep 2024 450th dokutan 700 86 133ms 15 Jun 2025 452nd elgan65536 🇺🇸 699 172 214ms 23 Sep 2024 453rd MeWhenI 🇻🇦 698 151 43ms 4 Sep 2024 454th frosster 🇨🇦 697 99 2ms 21 Mar 2025 455th sean-niemann 🇺🇸 697 107 3ms 23 Aug 2025 456th sean-niemann 🇺🇸 697 114 112ms 7 Sep 2024 457th mamamia5x 695 102 11ms 12 Sep 2024 458th MeWhenI 🇻🇦 694 59 20ms 13 Jun 2025 459th tatzyr 🇯🇵 694 61 46ms 10 Oct 2025 460th stefangimmillaro 693 90 2,596ms 14 Nov 2024 461st prestosilver 🇺🇸 691 117 478ms 27 days ago 462nd BlankSpruce 687 91 9ms 1 Sep 2024 462nd ZakkkkAttackkkk 🇵🇭 687 91 9ms 1 Sep 2024 462nd BREMAUCY 🇫🇷 687 91 11ms 3 Sep 2024 462nd charliegaming 687 91 10ms 7 Sep 2024 462nd mbittner20 687 91 10ms 9 Sep 2024 462nd neihousaigaai 687 91 10ms 28 Sep 2024 462nd Rubiksmath 687 91 10ms 1 Oct 2024 462nd jameswmccarty 687 91 11ms 2 Dec 2024 462nd croc54 687 91 10ms 12 Jan 2025 462nd Pyroan 687 91 14ms 24 Feb 2025 462nd WillowWispy 687 91 11ms 21 Mar 2025 462nd clayboll99 687 91 10ms 15 Jul 2025 462nd vhoulbreque 🇫🇷 687 91 12ms 21 Nov 2025 462nd FortuiteMan 🇫🇷 687 91 12ms 30 Nov 2025 462nd LostSyntax21 🇬🇧 687 91 11ms 30 Nov 2025 462nd CaedenHarper 🇨🇦 687 91 30ms 1 Dec 2025 462nd solisolu 687 91 10ms 31 Dec 2025 462nd mateusz-sterczewski 687 91 10ms 15 Jan 2026 462nd Matter1024 🇮🇳 687 91 12ms 31 Jan 2026 462nd souta-1326 687 91 11ms 19 Feb 2026 482nd JDiLenarda 🇫🇷 687 170 1,534ms 3 Sep 2024 483rd GolfingSuccess 🇬🇷 686 131 2ms 1 Sep 2024 484th kaascevich 685 116 1,898ms 15 Sep 2025 485th MeWhenI 🇻🇦 684 88 127ms 1 Sep 2024 485th error256 684 88 129ms 10 Sep 2024 487th DialFrost 🇸🇬 683 62 40ms 30 Jan 2025 487th KatieLG 🇬🇧 683 62 40ms 2 Oct 2025 489th olleicua 🇺🇸 682 104 11ms 11 Sep 2024 490th error256 680 63 720ms 20 Dec 2025 491st fourth-bit 679 92 9ms 4 Sep 2024 491st bnic24 679 92 10ms 5 Sep 2024 491st Jakob-L-M 679 92 11ms 12 days ago 494th MeWhenI 🇻🇦 679 117 114ms 2 Sep 2024 494th stefangimmillaro 679 117 103ms 2 Sep 2024 496th madex 🇩🇪 679 177 226ms 17 Sep 2024 497th emgordon154 678 319 1,701ms 11 days ago 498th BlankSpruce 676 158 64ms 1 Sep 2024 499th dokutan 675 156 42ms 1 Sep 2024 500th dcgjb 674 69 290ms 11 Sep 2024 First Prev 401–500 of 781 Next Last