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PalindromemordnilaP in all languages in bytes. 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau 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 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st targrik 752 83 6ms 8 Feb 2025 402nd DialFrost 🇸🇬 752 96 106ms 28 Nov 2025 402nd snoozingnewt 🇨🇦 752 96 105ms 5 Dec 2025 404th DialFrost 🇸🇬 751 225 1,441ms 20 Jan 2025 405th sciencejiho 750 102 10ms 13 Sep 2024 405th Papushkado 750 102 9ms 10 Nov 2025 407th UnderKoen 🇳🇱 750 185 63ms 1 Dec 2025 408th Shanethegamer 🇺🇸 749 122 6ms 4 Oct 2024 409th error256 748 226 1,439ms 28 Mar 2025 410th Shanethegamer 🇺🇸 745 95 9ms 1 Sep 2024 410th HumanoidCPU 745 95 9ms 29 Oct 2024 412th Mikey-Beep 🇬🇧 745 119 430ms 2 Sep 2024 413th julian-hoelz 743 103 10ms 16 Sep 2024 413th StefanHabel 🇨🇦 743 103 97ms 22 Mar 2025 415th MostParsingVex 741 164 77ms 6 Jan 2025 416th xsot 🇸🇬 739 58 1,119ms 19 Dec 2025 417th stefangimmillaro 739 169 44ms 3 Sep 2024 418th Shanethegamer 🇺🇸 737 71 275ms 1 Sep 2024 418th MarcMush 🇫🇷 737 71 511ms 16 Sep 2024 420th pardouin 🇫🇷 736 87 90ms 3 Sep 2024 421st ComputerKWasTaken 🇺🇸 736 104 10ms 2 Sep 2024 421st elgan65536 736 104 9ms 23 Sep 2024 421st NickTheEASDude 🇺🇸 736 104 10ms 7 Oct 2025 424th Shanethegamer 🇺🇸 735 105 4ms 1 Sep 2024 425th FlyingPenguin223 734 94 1ms 18 Sep 2024 426th DialFrost 🇸🇬 734 271 1,620ms 13 days ago 427th GolfingSuccess 🇬🇷 733 30 55ms 1 Sep 2024 427th MeWhenI 🇻🇦 733 30 61ms 8 Jun 2025 427th CaedenHarper 🇨🇦 733 30 45ms 1 Dec 2025 430th error256 733 121 430ms 24 Sep 2024 431st snoozingnewt 🇨🇦 731 110 102ms 22 Nov 2025 432nd targrik 730 97 9ms 8 Feb 2025 433rd albanian-laundromat 728 232 1,417ms 15 Oct 2025 434th emgordon154 726 63 1,252ms 18 Nov 2024 435th bitsandbeyond 🇳🇱 726 64 273ms 1 Dec 2025 436th Shanethegamer 🇺🇸 726 95 2ms 2 Sep 2024 437th CutSandstone 722 106 13ms 21 Dec 2024 438th GrayJoKing 🇦🇺 720 86 119ms 2 Sep 2024 439th Shanethegamer 🇺🇸 720 128 377ms 1 Sep 2024 440th dokutan 719 124 3ms 5 Sep 2024 441st Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 442nd kg583 🇺🇸 716 106 7ms 26 Sep 2025 443rd galloj 🇨🇿 715 107 10ms 4 Sep 2024 443rd FlorianCassayre 🇫🇷 715 107 12ms 9 Sep 2024 443rd jared-hughes 715 107 10ms 10 Sep 2024 443rd nstearns96 🇬🇧 715 107 10ms 13 Nov 2024 443rd rchalamala 715 107 10ms 2 Jan 2025 443rd brochmann 🇸🇪 715 107 10ms 16 Oct 2025 449th mykytamatiukha 714 168 245ms 15 days ago 450th snyderek 🇺🇸 712 150 50ms 15 Sep 2024 451st JesseNoEyes 🇺🇸 709 108 9ms 30 Sep 2024 452nd alexsave 708 100 9ms 22 Sep 2024 453rd JDiLenarda 🇫🇷 708 170 1,524ms 3 Sep 2024 454th error256 705 97 15ms 16 days ago 455th HumanoidCPU 704 90 516ms 2 Sep 2024 456th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 456th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 456th dokutan 704 98 2ms 14 Sep 2024 459th Shanethegamer 🇺🇸 704 114 114ms 2 Sep 2024 460th MeWhenI 🇻🇦 703 88 130ms 1 Sep 2024 460th error256 703 88 125ms 10 Sep 2024 462nd DialFrost 🇸🇬 702 61 973ms 31 Aug 2025 463rd Mabeloid 🇳🇴 702 109 10ms 1 Sep 2024 463rd MassimoParisi 702 109 11ms 18 Sep 2024 463rd klixel 🇨🇦 702 109 10ms 21 Sep 2024 463rd NotNoper 702 109 9ms 29 Oct 2024 463rd za3k 702 109 11ms 15 Jul 2025 463rd RaBa21 🇭🇺 702 109 11ms 18 Jul 2025 463rd zgialor-lab 702 109 11ms 17 Dec 2025 470th ovs-code 🇩🇪 702 128 2ms 1 Sep 2024 471st emgordon154 701 101 9ms 1 Sep 2024 472nd CaedenHarper 🇨🇦 701 187 251ms 8 Nov 2025 473rd frosster 697 99 2ms 21 Mar 2025 474th sean-niemann 🇺🇸 697 114 107ms 7 Sep 2024 475th elgan65536 697 172 206ms 23 Sep 2024 476th KatieLG 🇬🇧 696 91 488ms 1 Sep 2024 477th MeWhenI 🇻🇦 694 59 1,025ms 13 Jun 2025 478th MostParsingVex 694 154 1,498ms 15 Sep 2024 479th sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 480th sean-niemann 🇺🇸 691 62 958ms 22 Sep 2025 First Prev 401–480 of 731 Next Last