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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 196th abhishekg999 871 88 11ms 17 Sep 2024 196th bob-th 871 88 10ms 17 Sep 2024 196th InigoK 🇺🇸 871 88 10ms 18 Sep 2024 196th moustave 871 88 11ms 24 Oct 2024 196th andrewjc2000 871 88 9ms 10 Mar 2025 196th KasperKivimaeki 🇫🇮 871 88 21ms 19 Feb 2026 207th error256 871 112 483ms 24 Sep 2025 207th sean-niemann 🇺🇸 871 112 514ms 24 Sep 2025 207th MeWhenI 🇻🇦 871 112 482ms 7 Nov 2025 207th Steffan153 🇫🇮 871 112 471ms 11 Feb 2026 211th JayXon 🇺🇸 871 151 335ms 10 Sep 2024 211th nwellnhof 🇩🇪 871 151 330ms 10 Sep 2024 211th 0xjac 🇨🇭 871 151 332ms 25 Nov 2025 214th xsot 🇸🇬 869 58 8ms 19 Dec 2025 215th error256 869 93 556ms 24 Jul 2025 216th error256 867 72 2,422ms 24 Oct 2024 217th sean-niemann 🇺🇸 866 88 7ms 16 Aug 2025 218th Frowny 865 35 33ms 1 Sep 2024 218th Natanaelel 🇸🇪 865 35 32ms 1 Sep 2024 218th 4hg 🇺🇸 865 35 33ms 5 Sep 2024 221st kumavale 865 139 233ms 28 Oct 2025 222nd voytxt 🇨🇿 864 82 10ms 1 Sep 2024 222nd dmrichwa 🇺🇸 864 82 10ms 2 Sep 2024 222nd Lv0Sys 🇵🇱 864 82 10ms 22 Feb 2026 225th JayXon 🇺🇸 863 53 1,663ms 2 Sep 2024 225th pardouin 🇫🇷 863 53 1,774ms 4 Sep 2025 227th GrayJoKing 🇦🇺 861 57 6ms 20 Mar 2025 228th davecame 861 89 10ms 17 Sep 2024 228th Bmrl7 861 89 11ms 3 Oct 2024 228th DialFrost 🇸🇬 861 89 12ms 21 Nov 2024 228th CommandLeo 🇮🇹 861 89 10ms 27 Nov 2025 228th firegene 🇮🇪 861 89 10ms 3 Feb 2026 228th ThijsLuttikhuis 861 89 10ms 22 Mar 2026 228th vang1ong7ang 861 89 10ms 2 days ago 235th JayXon 🇺🇸 860 94 564ms 23 Jul 2025 236th JayXon 🇺🇸 859 94 110ms 10 Sep 2024 237th MeWhenI 🇻🇦 858 57 6ms 1 Sep 2024 238th duckyluuk 🇳🇱 858 74 416ms 1 Sep 2024 239th DialFrost 🇸🇬 858 103 122ms 21 Nov 2024 240th duckyluuk 🇳🇱 857 49 5ms 26 Nov 2025 241st ovs-code 🇩🇪 857 61 276ms 1 Sep 2024 242nd JayXon 🇺🇸 857 87 2ms 20 Sep 2024 243rd lyphyser 856 57 58ms 5 Jan 2025 244th KasperKivimaeki 🇫🇮 856 105 2ms 17 Aug 2025 245th edsrzf 🇳🇿 855 104 10ms 31 Jan 2026 246th tayloia 🇬🇧 854 83 10ms 1 Sep 2024 247th snoozingnewt 🇨🇦 851 90 13ms 22 Nov 2025 248th edsrzf 🇳🇿 849 90 4ms 28 Feb 2026 249th JayXon 🇺🇸 849 105 3ms 17 Nov 2025 250th sean-niemann 🇺🇸 848 74 5ms 19 Dec 2024 250th Steffan153 🇫🇮 848 74 5ms 11 Feb 2026 252nd rhdqor213 848 106 2ms 7 Jan 2026 253rd JayXon 🇺🇸 847 111 481ms 20 Sep 2024 254th xsot 🇸🇬 846 50 41ms 20 Dec 2025 255th error256 846 94 120ms 1 Sep 2024 256th ovs-code 🇩🇪 846 95 101ms 1 Sep 2024 256th JayXon 🇺🇸 846 95 155ms 24 May 2025 258th edsrzf 🇳🇿 846 138 1,613ms 14 Mar 2026 259th GrayJoKing 🇦🇺 844 84 13ms 2 Sep 2024 259th uttumuttu 🇫🇮 844 84 10ms 30 Sep 2024 259th didion0 🇺🇸 844 84 10ms 30 May 2025 262nd retrohun 844 99 392ms 9 Dec 2025 263rd edsrzf 🇳🇿 843 125 41ms 31 Dec 2024 263rd kg583 🇺🇸 843 125 41ms 25 Mar 2025 265th BlankSpruce 842 91 9ms 1 Sep 2024 265th KatieLG 🇬🇧 842 91 11ms 1 Sep 2024 265th ZakkkkAttackkkk 🇵🇭 842 91 9ms 1 Sep 2024 265th BREMAUCY 🇫🇷 842 91 11ms 3 Sep 2024 265th charliegaming 842 91 10ms 7 Sep 2024 265th mbittner20 842 91 10ms 9 Sep 2024 265th neihousaigaai 842 91 10ms 28 Sep 2024 265th Rubiksmath 842 91 10ms 1 Oct 2024 265th lifthrasiir 🇰🇷 842 91 11ms 20 Nov 2024 265th jameswmccarty 842 91 11ms 2 Dec 2024 265th croc54 842 91 10ms 12 Jan 2025 265th Pyroan 842 91 14ms 24 Feb 2025 265th plcc0 842 91 161ms 6 Mar 2025 265th WillowWispy 842 91 11ms 21 Mar 2025 265th keelimeguy 🇺🇸 842 91 9ms 17 May 2025 265th albanian-laundromat 🇺🇸 842 91 11ms 5 Jun 2025 265th clayboll99 842 91 10ms 15 Jul 2025 265th vhoulbreque 🇫🇷 842 91 12ms 21 Nov 2025 265th FortuiteMan 🇫🇷 842 91 12ms 30 Nov 2025 265th LostSyntax21 🇬🇧 842 91 11ms 30 Nov 2025 265th CaedenHarper 🇨🇦 842 91 30ms 1 Dec 2025 265th JOrE20 842 91 10ms 23 Dec 2025 265th solisolu 842 91 10ms 31 Dec 2025 265th mateusz-sterczewski 842 91 10ms 15 Jan 2026 265th Matter1024 🇮🇳 842 91 12ms 31 Jan 2026 265th Flekay 🇩🇪 842 91 10ms 14 Feb 2026 265th souta-1326 842 91 11ms 19 Feb 2026 265th dokutan 842 91 12ms 27 Feb 2026 265th scpchicken 🇵🇼 842 91 10ms 14 days ago 294th edsrzf 🇳🇿 842 96 562ms 31 Jan 2026 295th SirBogman 🇺🇸 841 36 33ms 11 Sep 2024 296th Kacarott 🇦🇺 841 89 62ms 1 Sep 2024 296th error256 841 89 60ms 11 Dec 2025 298th sean-niemann 🇺🇸 839 112 486ms 4 Sep 2024 299th Shanethegamer 🇺🇸 838 96 157ms 24 May 2025 300th m-tkach 🇺🇦 838 145 70ms 27 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