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 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 Calendar 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 NFA Simulator 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 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 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 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 Calendar 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 NFA Simulator 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 73rd Natanaelel 🇸🇪 897 47 32ms 24 Jan 2025 77th JayXon 🇺🇸 897 69 127ms 31 Oct 2024 78th JayXon 🇺🇸 896 77 2ms 9 Jan 2025 78th GrayJoKing 🇦🇺 896 77 2ms 12 Jul 2025 80th pardouin 🇫🇷 895 41 108ms 7 Jan 2025 81st GrayJoKing 🇦🇺 894 47 5ms 5 days ago 82nd nwellnhof 🇩🇪 894 52 223ms 1 Sep 2024 83rd JayXon 🇺🇸 893 99 370ms 11 Jul 2025 83rd AdrienHache 🇫🇷 893 99 372ms 17 Sep 2025 83rd Yax42 🇫🇷 893 99 394ms 8 Oct 2025 86th emplv 🇱🇻 891 70 4ms 17 Sep 2024 87th emgordon154 889 70 2,083ms 8 Nov 2024 88th pardouin 🇫🇷 889 99 109ms 1 Sep 2024 88th Natanaelel 🇸🇪 889 99 113ms 1 Sep 2024 88th ovs-code 🇩🇪 889 99 112ms 1 Sep 2024 88th sean-niemann 🇺🇸 889 99 118ms 4 Sep 2024 88th JayXon 🇺🇸 889 99 112ms 6 Sep 2024 88th lynn 889 99 115ms 8 Jan 2025 88th xnor-gate 889 99 109ms 4 Mar 2025 88th Sakisan 🇧🇪 889 99 108ms 22 Apr 2025 88th tobeannouncd 889 99 111ms 25 Apr 2025 88th HPWiz 🇳🇿 889 99 116ms 27 Sep 2025 98th edsrzf 🇳🇿 888 60 705ms 2 Sep 2025 99th JayXon 🇺🇸 888 101 2ms 18 Sep 2024 100th btnlq 885 55 6ms 1 Sep 2024 100th ovs-code 🇩🇪 885 55 10ms 20 Oct 2024 100th sean-niemann 🇺🇸 885 55 6ms 29 Dec 2024 103rd pardouin 🇫🇷 884 59 285ms 2 Sep 2024 104th Natanaelel 🇸🇪 884 80 8ms 1 Sep 2024 104th MeWhenI 🇻🇦 884 80 9ms 1 Sep 2024 104th helbling 🇨🇭 884 80 8ms 11 Jul 2025 107th nwellnhof 🇩🇪 884 100 362ms 22 Jul 2025 108th nwellnhof 🇩🇪 884 109 341ms 25 Sep 2025 108th JayXon 🇺🇸 884 109 339ms 25 Sep 2025 110th ovs-code 🇩🇪 880 25 36ms 1 Sep 2024 111th GrayJoKing 🇦🇺 879 60 9ms 3 Sep 2024 111th error256 879 60 9ms 3 Sep 2024 111th edsrzf 🇳🇿 879 60 10ms 2 hours ago 114th radarek 🇵🇱 878 52 864ms 10 Sep 2024 115th JayXon 🇺🇸 878 122 0ms 18 Sep 2024 116th IanUtley 877 78 21ms 1 Sep 2024 116th kops-cg 877 78 22ms 6 Mar 2025 118th JayXon 🇺🇸 876 71 2,515ms 8 Nov 2024 118th pardouin 🇫🇷 876 71 2,328ms 17 Nov 2024 120th ashtraypettingzoo 🇺🇸 875 29 2ms 1 Sep 2024 120th GolfingSuccess 🇬🇷 875 29 2ms 25 Mar 2025 122nd GolfingSuccess 🇬🇷 875 48 5ms 13 Dec 2024 122nd MeWhenI 🇻🇦 875 48 6ms 31 Dec 2024 124th JayXon 🇺🇸 874 91 100ms 10 Sep 2024 125th DialFrost 🇸🇬 873 61 660ms 31 Aug 2025 126th emplv 🇱🇻 873 81 9ms 16 Sep 2024 126th vlpx 🇫🇮 873 81 9ms 23 Sep 2024 126th lukegustafson 🇺🇸 873 81 9ms 26 May 2025 129th JayXon 🇺🇸 873 137 211ms 10 Jul 2025 129th acotis 873 137 230ms 24 Sep 2025 131st pardouin 🇫🇷 872 71 128ms 17 Apr 2025 132nd error256 872 87 6ms 16 Apr 2025 132nd edsrzf 🇳🇿 872 87 8ms 2 hours ago 134th lyphyser 870 57 50ms 5 Jan 2025 135th alemelis 869 60 238ms 1 Sep 2024 135th antimon2 🇯🇵 869 60 311ms 23 Oct 2024 137th saito-ta 🇯🇵 868 71 107ms 30 Sep 2024 138th JayXon 🇺🇸 868 151 256ms 10 Sep 2024 138th nwellnhof 🇩🇪 868 151 257ms 10 Sep 2024 138th 0xjac 🇨🇭 868 151 235ms 5 days ago 141st MeWhenI 🇻🇦 867 59 18ms 13 Jun 2025 142nd error256 866 74 79ms 6 Sep 2024 143rd zacjl 866 84 10ms 18 Sep 2024 144th Frowny 865 35 33ms 1 Sep 2024 144th Natanaelel 🇸🇪 865 35 32ms 1 Sep 2024 144th 4hg 🇺🇸 865 35 34ms 5 Sep 2024 147th error256 865 93 467ms 24 Jul 2025 148th error256 864 72 2,081ms 24 Oct 2024 149th voytxt 🇨🇿 863 82 9ms 1 Sep 2024 149th dmrichwa 🇺🇸 863 82 9ms 2 Sep 2024 First Prev 76–150 of 704 Next Last