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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 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 Bytes Time Submitted 401st albanian-laundromat 🇺🇸 782 114 2ms 27 Nov 2025 402nd error256 781 154 209ms 12 Feb 2026 403rd KingSkyrock 🇺🇸 779 91 10ms 14 Oct 2024 404th MostParsingVex 779 156 65ms 30 Mar 2026 405th stefangimmillaro 778 114 468ms 4 Sep 2024 406th MeWhenI 🇻🇦 777 39 33ms 2 Sep 2024 407th the-zammers 775 114 117ms 1 Dec 2024 408th snoozingnewt 🇨🇦 774 82 434ms 22 Nov 2025 408th dokutan 774 82 499ms 27 Feb 2026 410th jatloe 774 99 11ms 4 Sep 2024 410th alexeldridge 774 99 14ms 14 Sep 2024 410th Just4FunCoder 774 99 10ms 14 Sep 2025 410th 0xjac 🇨🇭 774 99 11ms 24 Nov 2025 414th dokutan 773 104 203ms 1 Sep 2024 415th emgordon154 771 156 375ms 4 Mar 2025 416th error256 769 139 501ms 24 Sep 2024 417th edsrzf 🇳🇿 767 83 106ms 28 Feb 2026 417th snoozingnewt 🇨🇦 767 83 98ms 6 days ago 419th Kacarott 🇦🇺 766 100 10ms 3 Sep 2024 419th Artemis21 🇬🇧 766 100 10ms 4 Jan 2025 421st lifthrasiir 🇰🇷 765 83 467ms 2 Dec 2024 421st albanian-laundromat 🇺🇸 765 83 519ms 4 Aug 2025 421st CaedenHarper 🇨🇦 765 83 540ms 9 Aug 2025 424th Matter1024 🇮🇳 764 123 439ms 16 days ago 425th CatsAreFluffy 763 64 52ms 4 Nov 2024 426th error256 762 116 119ms 2 Sep 2024 427th vang1ong7ang 761 158 206ms 19 days ago 428th madex 🇩🇪 759 101 11ms 1 Sep 2024 428th RedzGoose 🇦🇺 759 101 11ms 15 Oct 2024 428th JunkIce 759 101 11ms 25 Oct 2024 428th someCoder-a11y 759 101 10ms 10 days ago 432nd targrik 756 83 5ms 8 Feb 2025 433rd Shanethegamer 🇺🇸 755 117 119ms 1 Sep 2024 434th sean-niemann 🇺🇸 755 118 3ms 16 Jan 2025 435th stefangimmillaro 754 94 11ms 4 Sep 2024 436th sciencejiho 751 102 11ms 13 Sep 2024 436th Papushkado 751 102 10ms 10 Nov 2025 436th TheSecondComing123 751 102 14ms 4 Feb 2026 439th stefangimmillaro 751 169 43ms 3 Sep 2024 440th DialFrost 🇸🇬 751 225 1,214ms 20 Jan 2025 441st UnderKoen 🇳🇱 750 185 63ms 1 Dec 2025 442nd kg583 🇺🇸 749 102 5ms 19 Dec 2025 443rd error256 748 226 1,206ms 28 Mar 2025 444th Shanethegamer 🇺🇸 746 95 11ms 1 Sep 2024 444th HumanoidCPU 746 95 10ms 29 Oct 2024 446th Mikey-Beep 🇬🇧 745 119 436ms 2 Sep 2024 447th julian-hoelz 744 103 11ms 16 Sep 2024 447th StefanHabel 🇨🇦 744 103 93ms 22 Mar 2025 449th pardouin 🇫🇷 741 87 77ms 3 Sep 2024 449th Steffan153 🇫🇮 741 87 81ms 11 Feb 2026 451st xsot 🇸🇬 739 58 736ms 19 Dec 2025 452nd Shanethegamer 🇺🇸 737 71 296ms 1 Sep 2024 452nd MarcMush 🇫🇷 737 71 546ms 16 Sep 2024 454th ComputerKWasTaken 🇺🇸 737 104 11ms 2 Sep 2024 454th elgan65536 🇺🇸 737 104 11ms 23 Sep 2024 454th NickTheEASDude 🇺🇸 737 104 10ms 7 Oct 2025 457th FlyingPenguin223 734 94 1ms 18 Sep 2024 458th Shanethegamer 🇺🇸 734 128 473ms 1 Sep 2024 459th GolfingSuccess 🇬🇷 733 30 56ms 1 Sep 2024 459th MeWhenI 🇻🇦 733 30 63ms 8 Jun 2025 459th CaedenHarper 🇨🇦 733 30 47ms 1 Dec 2025 462nd error256 733 121 448ms 24 Sep 2024 463rd targrik 731 97 12ms 8 Feb 2025 464th snoozingnewt 🇨🇦 731 110 90ms 22 Nov 2025 465th Shanethegamer 🇺🇸 729 122 6ms 4 Oct 2024 466th Shanethegamer 🇺🇸 728 105 4ms 1 Sep 2024 467th albanian-laundromat 🇺🇸 728 232 1,221ms 15 Oct 2025 468th emgordon154 726 63 1,638ms 18 Nov 2024 469th bitsandbeyond 🇳🇱 726 64 292ms 1 Dec 2025 470th Shanethegamer 🇺🇸 726 95 2ms 2 Sep 2024 471st CutSandstone 723 106 12ms 21 Dec 2024 472nd janAkali 🇷🇺 722 112 371ms 12 Feb 2026 473rd GrayJoKing 🇦🇺 720 86 127ms 2 Sep 2024 474th kg583 🇺🇸 719 106 6ms 26 Sep 2025 475th dokutan 719 124 2ms 5 Sep 2024 476th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 477th galloj 🇨🇿 716 107 11ms 4 Sep 2024 477th FlorianCassayre 🇫🇷 716 107 11ms 9 Sep 2024 477th jared-hughes 716 107 12ms 10 Sep 2024 477th nstearns96 🇬🇧 716 107 11ms 13 Nov 2024 477th rchalamala 716 107 10ms 2 Jan 2025 477th brochmann 🇸🇪 716 107 10ms 16 Oct 2025 483rd mykytamatiukha 716 168 239ms 15 Jan 2026 484th snyderek 🇺🇸 712 150 61ms 15 Sep 2024 485th alexsave 709 100 10ms 22 Sep 2024 486th JesseNoEyes 🇺🇸 709 108 11ms 30 Sep 2024 487th Shanethegamer 🇺🇸 709 114 109ms 2 Sep 2024 488th HumanoidCPU 705 90 514ms 2 Sep 2024 489th error256 705 97 15ms 14 Jan 2026 490th adriweb 🇫🇷 704 98 2ms 4 Sep 2024 490th sean-niemann 🇺🇸 704 98 2ms 5 Sep 2024 490th dokutan 704 98 2ms 14 Sep 2024 493rd MeWhenI 🇻🇦 703 88 127ms 1 Sep 2024 493rd error256 703 88 129ms 10 Sep 2024 495th Mabeloid 🇳🇴 703 109 11ms 1 Sep 2024 495th MassimoParisi 703 109 12ms 18 Sep 2024 495th klixel 🇨🇦 703 109 10ms 21 Sep 2024 495th NotNoper 703 109 10ms 29 Oct 2024 495th za3k 703 109 10ms 15 Jul 2025 495th RaBa21 🇭🇺 703 109 10ms 18 Jul 2025 First Prev 401–500 of 781 Next Last