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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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 501st adamnielson42 🇺🇸 672 93 13ms 7 Oct 2024 501st smiksky 🇺🇸 672 93 10ms 16 Oct 2024 501st guilhem-roy 🇫🇷 672 93 10ms 31 May 2025 504th alicethecatwhisperermeow 672 132 451ms 14 Sep 2024 505th madeforlosers 669 106 10ms 23 Oct 2024 506th chunes3 🇺🇸 668 112 64ms 1 Sep 2024 507th mousetail 🇳🇱 665 94 13ms 1 Sep 2024 507th ljweel 665 94 11ms 12 Sep 2024 509th DialFrost 🇸🇬 664 181 198ms 12 Apr 2025 510th DialFrost 🇸🇬 663 96 99ms 28 Nov 2025 511th dokutan 661 64 48ms 23 Feb 2025 512th Shanethegamer 🇺🇸 661 91 140ms 5 Sep 2024 513th GolfingSuccess 🇬🇷 660 162 448ms 1 Sep 2024 513th ovs-code 🇩🇪 660 162 2,842ms 1 Sep 2024 515th msbranicky 658 95 11ms 1 Sep 2024 515th Bulmenisaurus 658 95 12ms 4 Sep 2024 515th btjones0 658 95 10ms 13 Sep 2024 515th jfallon1997 658 95 10ms 26 Sep 2024 515th jacekwladzinski 658 95 10ms 7 Oct 2025 515th aalec 658 95 10ms 8 Nov 2025 521st msbranicky 657 95 2,459ms 8 Jan 2025 522nd NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 523rd Shanethegamer 🇺🇸 657 135 460ms 1 Sep 2024 524th lukechampine 657 200 342ms 7 Jun 2025 524th jerrandolph 657 200 334ms 21 Sep 2025 526th msbranicky 656 136 3ms 1 Sep 2024 527th snoozingnewt 🇨🇦 654 194 44ms 15 days ago 528th m-tkach 🇺🇦 653 169 29ms 9 Feb 2026 529th TFeld00 🇩🇰 651 65 39ms 3 Sep 2024 530th fgrosshans 🇫🇷 651 96 10ms 1 Sep 2024 530th mm1013g 651 96 12ms 2 Sep 2024 530th Mikey-Beep 🇬🇧 651 96 10ms 2 Sep 2024 530th JudeTyrrell 651 96 13ms 22 Sep 2024 534th ShiraJoseph 🇺🇸 650 109 11ms 22 Sep 2024 535th dokutan 649 78 202ms 3 Sep 2024 536th msbranicky 648 203 333ms 1 Sep 2024 537th voytxt 🇨🇿 647 93 138ms 17 Apr 2025 538th AlephSquirrel 647 248 3ms 29 Sep 2024 539th stefangimmillaro 646 151 496ms 6 Oct 2025 540th stefangimmillaro 645 71 1,623ms 3 Sep 2024 541st Waffle3z 645 107 2ms 2 Oct 2024 542nd Carlettos1 644 97 13ms 14 Sep 2024 543rd mrxz 🇳🇱 644 110 11ms 22 Sep 2024 543rd weliveinhell 🇭🇹 644 110 10ms 28 Sep 2024 545th Chinay-Domitrix 🇺🇸 643 97 2,369ms 14 Mar 2026 546th BlankSpruce 642 140 2ms 1 Sep 2024 547th albanian-laundromat 🇺🇸 642 189 44ms 14 Sep 2025 548th aDwarfNamedUrist 640 138 118ms 4 Sep 2024 549th stefangimmillaro 640 188 209ms 4 Jun 2025 550th pickerj 638 98 12ms 13 Sep 2024 550th dtbao20 🇻🇳 638 98 22ms 30 Sep 2024 550th YAJUE114514 638 98 10ms 30 Jul 2025 550th netfri25 🇮🇱 638 98 10ms 22 Feb 2026 550th rotemkm 638 98 11ms 22 Feb 2026 555th SirBogman 🇺🇸 637 73 288ms 23 Jul 2025 556th Shanethegamer 🇺🇸 636 72 1,553ms 1 Sep 2024 556th anter69 🇭🇺 636 72 1,643ms 25 Oct 2024 558th weeble 636 77 7ms 21 Dec 2025 559th Ripick 636 127 433ms 6 Sep 2024 560th CaedenHarper 🇨🇦 633 112 10ms 22 Aug 2025 561st olleicua 🇺🇸 632 67 47ms 6 Sep 2024 561st madex 🇩🇪 632 67 36ms 15 Mar 2026 563rd alexeldridge 631 99 14ms 14 Sep 2024 563rd Just4FunCoder 631 99 10ms 14 Sep 2025 563rd 0xjac 🇨🇭 631 99 11ms 24 Nov 2025 566th cthierfelder 🇲🇨 630 193 75ms 5 Sep 2025 567th kmathis22 629 155 560ms 14 Dec 2025 568th BalaM314 627 113 12ms 4 Feb 2025 568th Program-Pi 627 113 10ms 26 Feb 2026 570th SirBogman 🇺🇸 626 59 145ms 23 Jul 2025 571st Kacarott 🇦🇺 625 100 10ms 3 Sep 2024 572nd Shanethegamer 🇺🇸 622 68 43ms 1 Sep 2024 572nd emgordon154 622 68 44ms 1 Sep 2024 572nd rvs314 622 68 44ms 24 Sep 2024 575th DialFrost 🇸🇬 622 111 1ms 22 Nov 2024 576th KrausRaus 🇺🇸 622 114 12ms 1 Sep 2024 576th snoozingnewt 🇨🇦 622 114 10ms 12 Oct 2025 578th albanian-laundromat 🇺🇸 621 69 712ms 12 Sep 2025 579th madex 🇩🇪 619 101 11ms 1 Sep 2024 579th RedzGoose 🇦🇺 619 101 11ms 15 Oct 2024 579th someCoder-a11y 619 101 10ms 12 days ago 582nd lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 583rd Andrey-Plotnikov 616 115 10ms 30 Sep 2025 584th aliakseikalosha 616 144 439ms 5 Sep 2024 585th sciencejiho 613 102 11ms 13 Sep 2024 585th Papushkado 613 102 10ms 10 Nov 2025 585th TheSecondComing123 613 102 14ms 4 Feb 2026 588th Shanethegamer 🇺🇸 612 102 2,800ms 25 Oct 2024 588th dokutan 612 102 2,809ms 26 Oct 2024 590th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 591st BambooleanLogic 🇸🇪 611 116 10ms 19 Nov 2024 591st acollett89 611 116 10ms 4 Aug 2025 593rd julian-hoelz 607 103 11ms 16 Sep 2024 593rd StefanHabel 🇨🇦 607 103 93ms 22 Mar 2025 595th CaedenHarper 🇨🇦 603 71 674ms 27 Sep 2025 596th Shanethegamer 🇺🇸 603 134 439ms 1 Sep 2024 597th dokutan 603 147 461ms 3 Nov 2024 598th dokutan 602 76 1,640ms 3 Sep 2024 599th Arkadios200 602 132 103ms 11 Oct 2025 600th ComputerKWasTaken 🇺🇸 601 104 11ms 2 Sep 2024 First Prev 501–600 of 779 Next Last