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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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 480th error256 703 88 144ms 10 Sep 2024 482nd CaedenHarper 🇨🇦 703 187 295ms 8 Nov 2025 483rd DialFrost 🇸🇬 702 61 973ms 31 Aug 2025 483rd Steffan153 🇫🇮 702 61 712ms 11 days ago 485th Mabeloid 🇳🇴 702 109 10ms 1 Sep 2024 485th MassimoParisi 702 109 10ms 18 Sep 2024 485th klixel 🇨🇦 702 109 9ms 21 Sep 2024 485th NotNoper 702 109 10ms 29 Oct 2024 485th za3k 702 109 10ms 15 Jul 2025 485th RaBa21 🇭🇺 702 109 9ms 18 Jul 2025 485th zgialor-lab 702 109 10ms 17 Dec 2025 492nd ovs-code 🇩🇪 702 128 2ms 1 Sep 2024 493rd emgordon154 701 101 9ms 1 Sep 2024 494th KatieLG 🇬🇧 697 91 464ms 1 Sep 2024 495th frosster 🇨🇦 697 99 2ms 21 Mar 2025 496th sean-niemann 🇺🇸 697 114 111ms 7 Sep 2024 497th elgan65536 🇺🇸 697 172 198ms 23 Sep 2024 498th Andrey2001 696 110 10ms 27 days ago 499th MeWhenI 🇻🇦 694 59 1,026ms 13 Jun 2025 500th MostParsingVex 694 154 1,826ms 15 Sep 2024 501st sean-niemann 🇺🇸 692 107 2ms 23 Aug 2025 502nd stefangimmillaro 691 90 2,365ms 14 Nov 2024 503rd aksyristos 690 111 10ms 1 Sep 2024 503rd wh3n3v3r 🇨🇿 690 111 9ms 11 Nov 2024 503rd AstroOrbis 690 111 10ms 30 Jun 2025 506th emgordon154 690 288 1,906ms 2 Oct 2024 507th JunkIce 689 92 490ms 3 Dec 2024 508th GolfingSuccess 🇬🇷 686 131 2ms 1 Sep 2024 509th kaascevich 685 116 1,803ms 15 Sep 2025 510th DialFrost 🇸🇬 682 62 37ms 30 Jan 2025 511th olleicua 🇺🇸 681 104 10ms 11 Sep 2024 511th charliegaming 681 104 10ms 28 Nov 2024 513th DialFrost 🇸🇬 681 118 93ms 22 Jun 2025 514th error256 680 63 930ms 20 Dec 2025 515th MeWhenI 🇻🇦 679 117 119ms 2 Sep 2024 515th stefangimmillaro 679 117 99ms 2 Sep 2024 517th madex 🇩🇪 678 177 219ms 17 Sep 2024 518th BlankSpruce 676 158 62ms 1 Sep 2024 519th dcgjb 674 69 305ms 11 Sep 2024 520th alicethecatwhisperermeow 672 132 447ms 14 Sep 2024 521st stefangimmillaro 671 63 34ms 2 Sep 2024 521st SirBogman 🇺🇸 671 63 37ms 5 Sep 2024 523rd madeforlosers 668 106 10ms 23 Oct 2024 524th chunes3 🇺🇸 668 112 64ms 1 Sep 2024 525th prestosilver 🇺🇸 668 121 479ms 23 days ago 526th voytxt 🇨🇿 665 93 157ms 17 Apr 2025 527th DialFrost 🇸🇬 663 181 201ms 12 Apr 2025 528th dokutan 662 79 182ms 3 Sep 2024 529th Maznek 662 107 11ms 8 Oct 2024 529th dokutan 662 107 10ms 5 Jun 2025 531st LeoCh01 660 116 11ms 1 Sep 2024 532nd GolfingSuccess 🇬🇷 660 162 435ms 1 Sep 2024 532nd ovs-code 🇩🇪 660 162 2,831ms 1 Sep 2024 534th NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 535th Shanethegamer 🇺🇸 657 135 435ms 1 Sep 2024 536th lukechampine 657 200 286ms 7 Jun 2025 536th jerrandolph 657 200 287ms 21 Sep 2025 538th msbranicky 656 136 3ms 1 Sep 2024 539th msbranicky 655 95 2,221ms 8 Jan 2025 540th albanian-laundromat 655 189 44ms 14 Sep 2025 541st TFeld00 🇩🇰 651 65 35ms 3 Sep 2024 542nd Shanethegamer 🇺🇸 651 95 149ms 8 Jan 2025 543rd ShiraJoseph 🇺🇸 650 109 9ms 22 Sep 2024 544th msbranicky 648 203 294ms 1 Sep 2024 545th Shanethegamer 🇺🇸 647 206 32ms 4 Sep 2024 546th AlephSquirrel 647 248 3ms 29 Sep 2024 547th stefangimmillaro 645 71 1,320ms 3 Sep 2024 548th Waffle3z 645 107 2ms 2 Oct 2024 549th stefangimmillaro 645 151 494ms 6 Oct 2025 550th mrxz 🇳🇱 644 110 11ms 22 Sep 2024 550th weliveinhell 🇭🇹 644 110 10ms 28 Sep 2024 552nd Zhenyu-Bo 643 119 9ms 1 Aug 2025 553rd BlankSpruce 642 140 2ms 1 Sep 2024 554th anter69 🇭🇺 641 66 33ms 25 Oct 2024 555th aDwarfNamedUrist 640 138 119ms 4 Sep 2024 556th emgordon154 639 113 104ms 4 Dec 2025 557th lhulinsky 638 120 10ms 23 Oct 2024 557th arjunarya1 638 120 10ms 11 Sep 2025 559th stefangimmillaro 638 188 203ms 4 Jun 2025 560th SirBogman 🇺🇸 637 73 311ms 23 Jul 2025 First Prev 481–560 of 760 Next Last