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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 399th YAJUE114514 782 98 10ms 30 Jul 2025 399th luuumine 🇫🇷 782 98 11ms 15 Oct 2025 399th netfri25 🇮🇱 782 98 10ms 22 Feb 2026 399th rotemkm 782 98 11ms 22 Feb 2026 405th stefangimmillaro 781 114 426ms 4 Sep 2024 406th KingSkyrock 🇺🇸 779 91 11ms 14 Oct 2024 407th MeWhenI 🇻🇦 778 39 33ms 2 Sep 2024 408th the-zammers 777 114 117ms 1 Dec 2024 409th snoozingnewt 🇨🇦 775 82 434ms 22 Nov 2025 409th dokutan 775 82 499ms 27 Feb 2026 411th emgordon154 775 156 390ms 4 Mar 2025 412th jatloe 774 99 11ms 4 Sep 2024 412th alexeldridge 774 99 14ms 14 Sep 2024 412th Just4FunCoder 774 99 10ms 14 Sep 2025 412th 0xjac 🇨🇭 774 99 11ms 24 Nov 2025 416th Matter1024 🇮🇳 774 123 439ms 5 days ago 417th error256 773 139 511ms 24 Sep 2024 418th edsrzf 🇳🇿 771 83 106ms 28 Feb 2026 419th CatsAreFluffy 769 64 52ms 4 Nov 2024 420th stefangimmillaro 767 169 43ms 3 Sep 2024 421st lifthrasiir 🇰🇷 766 83 467ms 2 Dec 2024 421st albanian-laundromat 🇺🇸 766 83 519ms 4 Aug 2025 421st CaedenHarper 🇨🇦 766 83 540ms 9 Aug 2025 424th Kacarott 🇦🇺 766 100 10ms 3 Sep 2024 424th Artemis21 🇬🇧 766 100 10ms 4 Jan 2025 426th vang1ong7ang 765 158 196ms 8 days ago 427th error256 763 116 119ms 2 Sep 2024 428th sean-niemann 🇺🇸 761 118 3ms 16 Jan 2025 429th kg583 🇺🇸 760 102 5ms 19 Dec 2025 430th targrik 759 83 5ms 8 Feb 2025 431st madex 🇩🇪 759 101 11ms 1 Sep 2024 431st RedzGoose 🇦🇺 759 101 11ms 15 Oct 2024 431st JunkIce 759 101 11ms 25 Oct 2024 431st someCoder-a11y 759 101 10ms 4 hours ago 435th UnderKoen 🇳🇱 759 185 63ms 1 Dec 2025 436th Shanethegamer 🇺🇸 757 117 119ms 1 Sep 2024 437th DialFrost 🇸🇬 756 225 1,467ms 20 Jan 2025 438th stefangimmillaro 754 94 11ms 4 Sep 2024 439th error256 753 226 1,489ms 28 Mar 2025 440th sciencejiho 751 102 11ms 13 Sep 2024 440th Papushkado 751 102 10ms 10 Nov 2025 440th TheSecondComing123 751 102 14ms 4 Feb 2026 443rd pardouin 🇫🇷 748 87 77ms 3 Sep 2024 443rd Steffan153 🇫🇮 748 87 81ms 11 Feb 2026 445th Mikey-Beep 🇬🇧 748 119 400ms 2 Sep 2024 446th Shanethegamer 🇺🇸 746 95 12ms 1 Sep 2024 446th HumanoidCPU 746 95 14ms 29 Oct 2024 448th julian-hoelz 744 103 11ms 16 Sep 2024 448th StefanHabel 🇨🇦 744 103 93ms 22 Mar 2025 450th Shanethegamer 🇺🇸 744 128 473ms 1 Sep 2024 451st xsot 🇸🇬 742 58 1,056ms 19 Dec 2025 452nd snoozingnewt 🇨🇦 742 110 83ms 22 Nov 2025 453rd Shanethegamer 🇺🇸 740 71 304ms 1 Sep 2024 453rd MarcMush 🇫🇷 740 71 546ms 16 Sep 2024 455th Shanethegamer 🇺🇸 738 105 4ms 1 Sep 2024 456th FlyingPenguin223 737 94 1ms 18 Sep 2024 457th ComputerKWasTaken 🇺🇸 737 104 11ms 2 Sep 2024 457th elgan65536 🇺🇸 737 104 11ms 23 Sep 2024 457th NickTheEASDude 🇺🇸 737 104 10ms 7 Oct 2025 460th error256 735 121 419ms 24 Sep 2024 461st GolfingSuccess 🇬🇷 733 30 53ms 1 Sep 2024 461st MeWhenI 🇻🇦 733 30 65ms 8 Jun 2025 461st CaedenHarper 🇨🇦 733 30 46ms 1 Dec 2025 464th Shanethegamer 🇺🇸 733 122 6ms 4 Oct 2024 465th albanian-laundromat 🇺🇸 733 232 1,446ms 15 Oct 2025 466th targrik 731 97 11ms 8 Feb 2025 467th emgordon154 729 63 1,252ms 18 Nov 2024 468th bitsandbeyond 🇳🇱 729 64 287ms 1 Dec 2025 469th Shanethegamer 🇺🇸 729 95 2ms 2 Sep 2024 470th janAkali 🇷🇺 727 112 375ms 12 Feb 2026 471st kg583 🇺🇸 724 106 6ms 26 Sep 2025 472nd dokutan 724 124 2ms 5 Sep 2024 473rd jusaka 724 167 229ms 5 hours ago 474th CutSandstone 723 106 12ms 21 Dec 2024 475th GrayJoKing 🇦🇺 721 86 146ms 2 Sep 2024 476th mykytamatiukha 719 168 221ms 15 Jan 2026 477th Kacarott 🇦🇺 717 132 3ms 4 Sep 2024 478th galloj 🇨🇿 716 107 11ms 4 Sep 2024 478th FlorianCassayre 🇫🇷 716 107 11ms 9 Sep 2024 478th jared-hughes 716 107 12ms 10 Sep 2024 First Prev 401–480 of 870 Next Last