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 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 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 241st DialFrost 🇸🇬 860 103 122ms 21 Nov 2024 242nd edsrzf 🇳🇿 860 104 10ms 31 Jan 2026 243rd duckyluuk 🇳🇱 858 74 416ms 1 Sep 2024 244th KasperKivimaeki 🇫🇮 858 105 2ms 17 Aug 2025 245th duckyluuk 🇳🇱 857 49 6ms 26 Nov 2025 246th edsrzf 🇳🇿 856 90 4ms 28 Feb 2026 247th JayXon 🇺🇸 855 105 3ms 17 Nov 2025 248th tayloia 🇬🇧 854 83 10ms 1 Sep 2024 249th ovs-code 🇩🇪 853 95 78ms 1 Sep 2024 249th JayXon 🇺🇸 853 95 155ms 24 May 2025 251st JayXon 🇺🇸 853 111 481ms 20 Sep 2024 252nd snoozingnewt 🇨🇦 851 90 13ms 22 Nov 2025 253rd retrohun 851 99 392ms 9 Dec 2025 254th edsrzf 🇳🇿 851 138 1,613ms 14 Mar 2026 255th sean-niemann 🇺🇸 850 74 5ms 19 Dec 2024 255th Steffan153 🇫🇮 850 74 5ms 11 Feb 2026 257th rhdqor213 850 106 2ms 7 Jan 2026 258th Kacarott 🇦🇺 849 89 62ms 1 Sep 2024 258th error256 849 89 60ms 11 Dec 2025 260th error256 849 94 120ms 1 Sep 2024 261st edsrzf 🇳🇿 849 125 41ms 31 Dec 2024 261st kg583 🇺🇸 849 125 41ms 25 Mar 2025 263rd xsot 🇸🇬 847 50 41ms 20 Dec 2025 264th edsrzf 🇳🇿 845 96 562ms 31 Jan 2026 265th sean-niemann 🇺🇸 845 112 486ms 4 Sep 2024 266th GrayJoKing 🇦🇺 844 84 13ms 2 Sep 2024 266th uttumuttu 🇫🇮 844 84 10ms 30 Sep 2024 266th didion0 🇺🇸 844 84 10ms 30 May 2025 269th Shanethegamer 🇺🇸 844 96 157ms 24 May 2025 270th m-tkach 🇺🇦 844 145 70ms 27 Sep 2024 271st SirBogman 🇺🇸 843 36 33ms 11 Sep 2024 272nd BlankSpruce 842 91 9ms 1 Sep 2024 272nd KatieLG 🇬🇧 842 91 11ms 1 Sep 2024 272nd ZakkkkAttackkkk 🇵🇭 842 91 9ms 1 Sep 2024 272nd BREMAUCY 🇫🇷 842 91 11ms 3 Sep 2024 272nd charliegaming 842 91 10ms 7 Sep 2024 272nd mbittner20 842 91 10ms 9 Sep 2024 272nd neihousaigaai 842 91 10ms 28 Sep 2024 272nd Rubiksmath 842 91 10ms 1 Oct 2024 272nd lifthrasiir 🇰🇷 842 91 11ms 20 Nov 2024 272nd jameswmccarty 842 91 11ms 2 Dec 2024 272nd croc54 842 91 10ms 12 Jan 2025 272nd Pyroan 842 91 14ms 24 Feb 2025 272nd plcc0 842 91 161ms 6 Mar 2025 272nd WillowWispy 842 91 11ms 21 Mar 2025 272nd keelimeguy 🇺🇸 842 91 9ms 17 May 2025 272nd albanian-laundromat 🇺🇸 842 91 11ms 5 Jun 2025 272nd clayboll99 842 91 10ms 15 Jul 2025 272nd vhoulbreque 🇫🇷 842 91 12ms 21 Nov 2025 272nd FortuiteMan 🇫🇷 842 91 12ms 30 Nov 2025 272nd LostSyntax21 🇬🇧 842 91 11ms 30 Nov 2025 272nd CaedenHarper 🇨🇦 842 91 30ms 1 Dec 2025 272nd JOrE20 842 91 10ms 23 Dec 2025 272nd solisolu 842 91 10ms 31 Dec 2025 272nd mateusz-sterczewski 842 91 10ms 15 Jan 2026 272nd Matter1024 🇮🇳 842 91 12ms 31 Jan 2026 272nd Flekay 🇩🇪 842 91 10ms 14 Feb 2026 272nd souta-1326 842 91 11ms 19 Feb 2026 272nd dokutan 842 91 12ms 27 Feb 2026 272nd scpchicken 🇵🇼 842 91 10ms 11 days ago 301st edsrzf 🇳🇿 842 106 8ms 7 Mar 2026 302nd Shanethegamer 🇺🇸 842 202 1,235ms 1 Mar 2025 303rd JayXon 🇺🇸 841 77 75ms 18 Jun 2025 304th sean-niemann 🇺🇸 838 74 138ms 4 Aug 2025 305th MeWhenI 🇻🇦 838 75 5ms 3 Sep 2024 305th xsot 🇸🇬 838 75 6ms 18 Dec 2025 307th xnor-gate 837 82 16ms 5 Mar 2025 308th edsrzf 🇳🇿 837 118 79ms 22 Mar 2026 309th MeWhenI 🇻🇦 834 55 1,655ms 1 Sep 2024 309th Natanaelel 🇸🇪 834 55 1,761ms 1 Sep 2024 311th MeWhenI 🇻🇦 834 75 2,600ms 24 Oct 2024 311th duckyluuk 🇳🇱 834 75 2,450ms 25 Oct 2024 313th Maznek 834 85 11ms 26 days ago 314th nwellnhof 🇩🇪 834 108 2ms 10 Sep 2024 315th nwellnhof 🇩🇪 833 48 5ms 1 Sep 2024 316th fourth-bit 833 92 9ms 4 Sep 2024 316th bnic24 833 92 10ms 5 Sep 2024 316th Jakob-L-M 833 92 11ms 8 days ago 319th edsrzf 🇳🇿 833 134 31ms 14 Mar 2026 320th MeWhenI 🇻🇦 832 45 4ms 1 Sep 2024 First Prev 241–320 of 843 Next Last