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PalindromemordnilaP in all languages in chars. 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 Chars Time Submitted 526th lifthrasiir 🇰🇷 618 227 47ms 11 Dec 2024 527th Andrey-Plotnikov 615 115 9ms 30 Sep 2025 528th aliakseikalosha 614 144 346ms 5 Sep 2024 529th sciencejiho 612 102 9ms 13 Sep 2024 529th FortuiteMan 🇫🇷 612 102 10ms 25 Sep 2024 529th Papushkado 612 102 10ms 19 days ago 532nd Natanaelel 🇸🇪 611 112 20ms 15 May 2025 533rd Shanethegamer 🇺🇸 610 102 2,200ms 25 Oct 2024 533rd dokutan 610 102 2,099ms 26 Oct 2024 535th BambooleanLogic 🇸🇪 610 116 9ms 19 Nov 2024 535th acollett89 610 116 9ms 4 Aug 2025 537th msbranicky 606 86 181ms 16 Sep 2024 538th julian-hoelz 606 103 10ms 16 Sep 2024 538th StefanHabel 🇨🇦 606 103 92ms 22 Mar 2025 540th emgordon154 606 138 10ms 1 Jan 2025 541st Arkadios200 602 132 95ms 11 Oct 2025 542nd dokutan 601 76 852ms 3 Sep 2024 543rd dokutan 601 147 345ms 3 Nov 2024 544th ComputerKWasTaken 🇺🇸 600 104 10ms 2 Sep 2024 544th elgan65536 600 104 9ms 23 Sep 2024 544th NickTheEASDude 🇺🇸 600 104 9ms 7 Oct 2025 547th Shanethegamer 🇺🇸 600 134 353ms 1 Sep 2024 548th inventshah 598 150 2ms 1 Sep 2024 549th Shanethegamer 🇺🇸 595 177 41ms 4 Sep 2024 550th mousetail 🇳🇱 594 105 4ms 3 Sep 2024 551st BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 552nd KatieLG 🇬🇧 593 77 918ms 1 Sep 2024 553rd CaedenHarper 🇨🇦 593 149 409ms 16 Oct 2025 554th h3ra993huskp 🇯🇵 591 163 361ms 4 hours ago 555th KatieLG 🇬🇧 589 135 94ms 8 days ago 556th CutSandstone 588 106 11ms 21 Dec 2024 557th luuumine 🇫🇷 586 204 193ms 11 days ago 558th Shanethegamer 🇺🇸 584 120 9ms 2 Sep 2024 559th DialFrost 🇸🇬 583 107 4ms 1 Sep 2024 559th galloj 🇨🇿 583 107 9ms 4 Sep 2024 559th jared-hughes 583 107 9ms 10 Sep 2024 559th nstearns96 🇬🇧 583 107 9ms 13 Nov 2024 559th brochmann 🇸🇪 583 107 10ms 16 Oct 2025 564th cbrt-x 583 151 142ms 11 Sep 2024 565th Upload-and-View 🇺🇦 580 119 2ms 23 Jul 2025 566th GeorgeStechman 🇬🇧 580 122 9ms 5 Nov 2024 566th gigaprofisi 🇺🇸 580 122 8ms 10 Aug 2025 568th snoozingnewt 🇺🇸 580 226 254ms 1 Sep 2024 569th JesseNoEyes 🇺🇸 578 108 9ms 30 Sep 2024 570th xyangst 575 123 9ms 15 Oct 2024 571st JohandeRuiter 🇳🇱 575 156 2ms 2 Sep 2024 572nd RedzGoose 🇦🇺 574 101 544ms 15 Oct 2024 573rd Mabeloid 🇳🇴 572 109 9ms 1 Sep 2024 573rd MassimoParisi 572 109 9ms 18 Sep 2024 573rd klixel 🇨🇦 572 109 10ms 21 Sep 2024 573rd NotNoper 572 109 9ms 29 Oct 2024 573rd za3k 572 109 10ms 15 Jul 2025 578th TeodorDyakov 🇧🇬 564 159 2ms 6 Sep 2025 579th aksyristos 562 111 9ms 1 Sep 2024 579th AstroOrbis 562 111 9ms 30 Jun 2025 581st Shanethegamer 🇺🇸 562 143 103ms 12 hours ago 582nd tomh1012 561 126 11ms 18 Sep 2025 583rd dokutan 561 132 2ms 1 Sep 2024 584th MostParsingVex 561 160 43ms 30 Sep 2024 585th RedzGoose 🇦🇺 553 145 100ms 9 Sep 2024 586th Yewzir 🇧🇪 552 113 10ms 14 days ago 587th msbranicky 548 135 3ms 1 Sep 2024 588th HumanoidCPU 547 110 136ms 8 days ago 589th alphafalfa 540 105 4ms 1 Nov 2024 590th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 591st Shanethegamer 🇺🇸 538 107 86ms 1 Sep 2024 592nd LeoCh01 538 116 10ms 1 Sep 2024 593rd Shanethegamer 🇺🇸 535 91 25ms 1 Sep 2024 594th snoozingnewt 🇺🇸 534 79 34ms 12 Oct 2025 595th albanian-laundromat 533 352 11ms 18 Sep 2025 596th Mabeloid 🇳🇴 532 109 809ms 17 Sep 2024 597th trijin 529 118 4ms 5 Oct 2024 598th MostParsingVex 528 97 20ms 2 Oct 2024 599th emgordon154 527 133 13ms 16 Dec 2024 600th Shanethegamer 🇺🇸 526 183 333ms 24 Sep 2025 First Prev 526–600 of 698 Next Last