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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 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 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 Multitap Input 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 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 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 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 Multitap Input 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 561st KrausRaus 🇺🇸 621 114 13ms 1 Sep 2024 562nd lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 563rd yokasuretsu 617 124 11ms 10 Jul 2025 563rd hamilton-bonds 617 124 10ms 24 Jul 2025 563rd robin-scragg 617 124 10ms 18 Oct 2025 566th Andrey-Plotnikov 615 115 10ms 30 Sep 2025 567th aliakseikalosha 615 144 373ms 5 Sep 2024 568th KatieLG 🇬🇧 612 69 37ms 1 Sep 2024 569th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 570th Shanethegamer 🇺🇸 610 102 3,211ms 25 Oct 2024 570th dokutan 610 102 3,474ms 26 Oct 2024 572nd BambooleanLogic 🇸🇪 610 116 11ms 19 Nov 2024 572nd acollett89 610 116 11ms 4 Aug 2025 574th msbranicky 608 86 209ms 16 Sep 2024 575th nhausspiegel 607 126 10ms 13 Sep 2024 576th MeWhenI 🇻🇦 605 86 683ms 15 Sep 2025 577th matsagad 602 127 10ms 16 Jan 2025 578th Arkadios200 602 132 96ms 11 Oct 2025 579th dokutan 602 147 399ms 3 Nov 2024 580th dokutan 601 76 815ms 3 Sep 2024 581st mamamia5x 600 118 11ms 12 Sep 2024 582nd Shanethegamer 🇺🇸 600 134 412ms 1 Sep 2024 583rd Shanethegamer 🇺🇸 599 107 91ms 1 Sep 2024 584th inventshah 599 150 2ms 1 Sep 2024 585th xyangst 598 128 11ms 12 Oct 2024 585th 123mjb 598 128 10ms 19 Nov 2025 587th emgordon154 595 104 133ms 14 Nov 2024 588th MeWhenI 🇻🇦 595 177 43ms 4 Sep 2024 588th Shanethegamer 🇺🇸 595 177 45ms 4 Sep 2024 590th mousetail 🇳🇱 594 105 5ms 3 Sep 2024 591st CaedenHarper 🇨🇦 594 149 392ms 16 Oct 2025 592nd BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 593rd KatieLG 🇬🇧 593 77 790ms 1 Sep 2024 594th h3ra993huskp 🇯🇵 592 163 687ms 30 Nov 2025 595th KatieLG 🇬🇧 589 135 94ms 21 Nov 2025 596th luuumine 🇫🇷 586 204 194ms 18 Nov 2025 597th cbrt-x 584 151 121ms 11 Sep 2024 598th DialFrost 🇸🇬 583 107 6ms 1 Sep 2024 599th dokutan 582 181 44ms 1 Sep 2024 600th Mabeloid 🇳🇴 581 109 507ms 17 Sep 2024 601st Upload-and-View 🇺🇦 580 119 2ms 23 Jul 2025 602nd GeorgeStechman 🇬🇧 580 122 12ms 5 Nov 2024 602nd gigaprofisi 🇺🇸 580 122 10ms 10 Aug 2025 604th snoozingnewt 🇨🇦 580 226 251ms 1 Sep 2024 605th JohandeRuiter 🇳🇱 576 156 2ms 2 Sep 2024 606th xyangst 575 123 11ms 15 Oct 2024 607th vhoulbreque 🇫🇷 573 146 196ms 11 Nov 2025 608th dokutan 571 74 38ms 20 Feb 2025 609th emgordon154 570 133 15ms 16 Dec 2024 610th TeodorDyakov 🇧🇬 565 159 2ms 6 Sep 2025 611th TheZwierzLF 🇵🇱 563 75 36ms 4 days ago 612th HumanoidCPU 563 110 143ms 22 Nov 2025 613th smiksky 🇺🇸 563 136 11ms 16 Oct 2024 614th tomh1012 562 126 12ms 18 Sep 2025 615th MostParsingVex 562 160 33ms 30 Sep 2024 616th dokutan 561 132 3ms 1 Sep 2024 617th emgordon154 559 138 11ms 1 Jan 2025 618th Stockoh 🇫🇷 558 137 11ms 17 Oct 2024 619th JOrE20 🇺🇸 557 127 12ms 8 days ago 620th brimstonetrader 554 138 10ms 17 Oct 2024 621st RedzGoose 🇦🇺 553 145 114ms 9 Sep 2024 622nd dokutan 548 113 134ms 22 Oct 2024 623rd msbranicky 548 135 3ms 1 Sep 2024 624th DialFrost 🇸🇬 539 76 16ms 1 Aug 2025 625th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 626th mm1013g 539 142 10ms 2 Sep 2024 627th dokutan 539 155 242ms 1 Sep 2024 628th Shanethegamer 🇺🇸 536 91 25ms 1 Sep 2024 629th snoozingnewt 🇨🇦 535 79 38ms 12 Oct 2025 630th albanian-laundromat 533 352 11ms 18 Sep 2025 631st trijin 529 118 6ms 5 Oct 2024 632nd Shanethegamer 🇺🇸 528 183 452ms 24 Sep 2025 633rd pickerj 524 146 12ms 12 Sep 2024 634th tomh1012 524 169 395ms 17 Sep 2025 635th ravnskjaer 🇩🇰 519 186 344ms 16 days ago 636th error256 515 134 2ms 24 Sep 2024 637th CaedenHarper 🇨🇦 514 188 438ms 3 Oct 2025 638th Shanethegamer 🇺🇸 512 141 105ms 27 days ago 639th rboath 506 159 109ms 18 Dec 2024 640th madex 🇩🇪 503 84 36ms 1 Sep 2024 First Prev 561–640 of 719 Next Last