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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 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 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 Tower of Hanoi 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 446th RaBa21 🇭🇺 702 109 10ms 18 Jul 2025 452nd ovs-code 🇩🇪 701 128 2ms 1 Sep 2024 453rd CaedenHarper 🇨🇦 701 187 238ms 21 days ago 454th emgordon154 700 101 8ms 1 Sep 2024 455th emgordon154 699 115 101ms 16 hours ago 456th frosster 697 99 2ms 21 Mar 2025 457th sean-niemann 🇺🇸 697 114 102ms 7 Sep 2024 458th MostParsingVex 696 154 1,194ms 15 Sep 2024 459th elgan65536 695 172 205ms 23 Sep 2024 460th KatieLG 🇬🇧 694 91 565ms 1 Sep 2024 461st retrohun 693 89 106ms 1 Sep 2024 462nd sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 463rd stefangimmillaro 691 90 2,112ms 14 Nov 2024 464th aksyristos 689 111 9ms 1 Sep 2024 464th wh3n3v3r 🇨🇿 689 111 9ms 11 Nov 2024 464th AstroOrbis 689 111 9ms 30 Jun 2025 467th Shanethegamer 🇺🇸 689 206 33ms 4 Sep 2024 468th JunkIce 687 92 811ms 3 Dec 2024 469th kaascevich 685 116 1,671ms 15 Sep 2025 470th GolfingSuccess 🇬🇷 685 131 2ms 1 Sep 2024 471st edsrzf 🇳🇿 682 118 353ms 25 Jun 2025 472nd emgordon154 682 288 1,681ms 2 Oct 2024 473rd DialFrost 🇸🇬 681 62 41ms 30 Jan 2025 474th DialFrost 🇸🇬 681 118 74ms 22 Jun 2025 475th olleicua 🇺🇸 680 104 9ms 11 Sep 2024 475th charliegaming 680 104 9ms 28 Nov 2024 477th MeWhenI 🇻🇦 679 117 108ms 2 Sep 2024 477th stefangimmillaro 679 117 93ms 2 Sep 2024 479th edsrzf 🇳🇿 678 92 4ms 10 Oct 2024 480th BlankSpruce 678 158 56ms 1 Sep 2024 481st madex 🇩🇪 676 177 213ms 17 Sep 2024 482nd dcgjb 674 69 284ms 11 Sep 2024 483rd DialFrost 🇸🇬 673 76 16ms 1 Aug 2025 484th stefangimmillaro 670 63 34ms 2 Sep 2024 484th SirBogman 🇺🇸 670 63 34ms 5 Sep 2024 486th alicethecatwhisperermeow 669 132 371ms 14 Sep 2024 487th chunes3 🇺🇸 668 112 75ms 1 Sep 2024 488th madeforlosers 667 106 9ms 23 Oct 2024 489th voytxt 🇨🇿 665 93 132ms 17 Apr 2025 490th edsrzf 🇳🇿 663 104 2ms 22 May 2025 491st GolfingSuccess 🇬🇷 662 162 388ms 1 Sep 2024 491st ovs-code 🇩🇪 662 162 2,365ms 1 Sep 2024 493rd Maznek 661 107 9ms 8 Oct 2024 493rd dokutan 661 107 9ms 5 Jun 2025 495th DialFrost 🇸🇬 661 181 209ms 12 Apr 2025 495th error256 661 181 187ms 22 May 2025 497th dokutan 660 79 172ms 3 Sep 2024 498th LeoCh01 659 116 10ms 1 Sep 2024 499th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 500th msbranicky 656 136 3ms 1 Sep 2024 501st msbranicky 655 95 1,996ms 8 Jan 2025 502nd Shanethegamer 🇺🇸 655 135 377ms 1 Sep 2024 503rd albanian-laundromat 655 189 51ms 14 Sep 2025 504th lukechampine 655 200 262ms 7 Jun 2025 504th jerrandolph 655 200 248ms 21 Sep 2025 506th Shanethegamer 🇺🇸 651 95 139ms 8 Jan 2025 507th TFeld00 🇩🇰 649 65 36ms 3 Sep 2024 508th ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 509th msbranicky 646 203 249ms 1 Sep 2024 510th error256 645 106 18ms 18 Apr 2025 511th Waffle3z 645 107 2ms 2 Oct 2024 512th stefangimmillaro 643 71 961ms 3 Sep 2024 513th mrxz 🇳🇱 643 110 9ms 22 Sep 2024 513th weliveinhell 🇭🇹 643 110 9ms 28 Sep 2024 515th Zhenyu-Bo 643 119 10ms 1 Aug 2025 516th BlankSpruce 641 140 2ms 1 Sep 2024 517th anter69 🇭🇺 639 66 35ms 25 Oct 2024 518th aDwarfNamedUrist 638 138 135ms 4 Sep 2024 519th stefangimmillaro 638 151 342ms 6 Oct 2025 520th SirBogman 🇺🇸 637 73 295ms 23 Jul 2025 521st lhulinsky 637 120 9ms 23 Oct 2024 521st arjunarya1 637 120 9ms 11 Sep 2025 523rd stefangimmillaro 636 188 206ms 4 Jun 2025 524th emgordon154 635 40 3ms 9 days ago 525th Shanethegamer 🇺🇸 634 72 1,020ms 1 Sep 2024 First Prev 451–525 of 701 Next Last