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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 ArkScript 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 ><> 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 321st RyanMHsiao 815 244 1,930ms 25 Sep 2024 322nd rucin93 🇵🇱 814 76 131ms 31 Oct 2024 323rd GrayJoKing 🇦🇺 814 84 13ms 1 Sep 2024 323rd annaproxy 814 84 17ms 22 Oct 2024 325th mousetail 🇳🇱 814 94 12ms 1 Sep 2024 325th ljweel 814 94 10ms 12 Sep 2024 325th qpwoeirut 814 94 12ms 7 Feb 2025 328th tomtheisen 🇺🇸 814 109 437ms 8 Nov 2024 329th ovs-code 🇩🇪 813 52 39ms 1 Sep 2024 330th error256 813 77 4ms 1 Sep 2024 331st alemelis 812 78 500ms 1 Sep 2024 331st Shanethegamer 🇺🇸 812 78 478ms 1 Sep 2024 331st SirBogman 🇺🇸 812 78 477ms 4 Sep 2024 331st error256 812 78 466ms 4 Sep 2024 331st commandz0 🇺🇸 812 78 472ms 1 Sep 2025 331st Babafaba 812 78 417ms 22 Oct 2025 331st CornerMercury 🇬🇧 812 78 477ms 17 days ago 338th error256 811 99 116ms 4 Sep 2024 339th error256 810 150 57ms 5 May 2025 340th MostParsingVex 809 153 51ms 3 Oct 2024 341st primo-ppcg 🇹🇭 809 232 145ms 1 Dec 2025 342nd msbranicky 806 95 10ms 1 Sep 2024 342nd Bulmenisaurus 806 95 13ms 4 Sep 2024 342nd btjones0 806 95 10ms 13 Sep 2024 342nd jfallon1997 806 95 11ms 26 Sep 2024 342nd jacekwladzinski 806 95 10ms 7 Oct 2025 342nd aalec 806 95 10ms 8 Nov 2025 348th SirBogman 🇺🇸 806 155 45ms 3 Sep 2024 349th GolfingSuccess 🇬🇷 805 210 1,431ms 8 Feb 2025 350th ovs-code 🇩🇪 802 175 9ms 30 Sep 2024 351st emgordon154 801 211 1,431ms 24 Jan 2025 352nd MeWhenI 🇻🇦 799 50 3ms 1 Sep 2024 352nd retrohun 799 50 3ms 9 Mar 2025 354th namelessiw 799 111 422ms 22 Apr 2025 355th albanian-laundromat 798 201 4ms 19 days ago 356th fgrosshans 🇫🇷 797 96 10ms 1 Sep 2024 356th Mikey-Beep 🇬🇧 797 96 12ms 2 Sep 2024 356th JudeTyrrell 797 96 10ms 22 Sep 2024 359th nwellnhof 🇩🇪 797 134 395ms 2 Sep 2024 359th tailorspy 797 134 485ms 16 Sep 2024 361st MeWhenI 🇻🇦 795 101 112ms 3 Sep 2024 362nd kg583 🇺🇸 794 112 7ms 9 May 2025 363rd lifthrasiir 🇰🇷 793 32 2ms 29 Nov 2024 364th MeWhenI 🇻🇦 792 80 442ms 1 Sep 2024 364th GrayJoKing 🇦🇺 792 80 474ms 2 Sep 2024 366th mousetail 🇳🇱 789 62 66ms 3 Sep 2024 366th GolfingSuccess 🇬🇷 789 62 12ms 2 Dec 2025 368th o0BlackDragon0o 789 97 13ms 8 Sep 2024 368th Bombalech 789 97 12ms 8 Sep 2024 368th scpchicken 🇵🇼 789 97 244ms 8 Sep 2024 368th Carlettos1 789 97 12ms 14 Sep 2024 372nd stefangimmillaro 789 166 306ms 4 Sep 2024 373rd m-tkach 🇺🇦 788 169 30ms 35 hours ago 374th sean-niemann 🇺🇸 785 113 431ms 5 Sep 2024 375th MeWhenI 🇻🇦 785 157 15ms 7 Sep 2024 376th emplv 🇱🇻 783 79 128ms 1 Nov 2024 377th rzv-me 782 80 5ms 5 Oct 2024 378th albanian-laundromat 782 114 2ms 27 Nov 2025 379th HumanoidCPU 781 98 10ms 2 Sep 2024 379th dtbao20 🇻🇳 781 98 18ms 30 Sep 2024 379th YAJUE114514 781 98 10ms 30 Jul 2025 379th luuumine 🇫🇷 781 98 11ms 15 Oct 2025 383rd KingSkyrock 🇺🇸 778 91 9ms 14 Oct 2024 384th stefangimmillaro 778 114 428ms 4 Sep 2024 385th MeWhenI 🇻🇦 777 39 33ms 2 Sep 2024 386th the-zammers 774 114 117ms 1 Dec 2024 387th jatloe 773 99 12ms 4 Sep 2024 387th alexeldridge 773 99 11ms 14 Sep 2024 387th Just4FunCoder 773 99 10ms 14 Sep 2025 387th 0xjac 🇨🇭 773 99 11ms 24 Nov 2025 391st dokutan 773 104 167ms 1 Sep 2024 392nd snoozingnewt 🇨🇦 772 82 486ms 22 Nov 2025 393rd error256 769 139 470ms 24 Sep 2024 394th emgordon154 769 156 372ms 4 Mar 2025 395th Kacarott 🇦🇺 765 100 10ms 3 Sep 2024 395th Artemis21 🇬🇧 765 100 11ms 4 Jan 2025 397th CatsAreFluffy 763 64 49ms 4 Nov 2024 398th dokutan 763 83 496ms 3 Sep 2024 398th lifthrasiir 🇰🇷 763 83 537ms 2 Dec 2024 398th albanian-laundromat 763 83 461ms 4 Aug 2025 First Prev 321–400 of 745 Next Last