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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 451st dokutan 669 78 187ms 3 Sep 2024 452nd alicethecatwhisperermeow 669 132 371ms 14 Sep 2024 453rd chunes3 🇺🇸 668 112 75ms 1 Sep 2024 454th madeforlosers 667 106 9ms 23 Oct 2024 455th mousetail 🇳🇱 664 94 11ms 1 Sep 2024 455th ljweel 664 94 9ms 12 Sep 2024 455th jtaxen 664 94 10ms 26 Sep 2024 458th edsrzf 🇳🇿 663 104 2ms 22 May 2025 459th GolfingSuccess 🇬🇷 662 162 388ms 1 Sep 2024 459th ovs-code 🇩🇪 662 162 2,365ms 1 Sep 2024 461st Shanethegamer 🇺🇸 661 91 139ms 5 Sep 2024 462nd kg583 🇺🇸 661 106 7ms 26 Sep 2025 463rd Maznek 661 107 9ms 8 Oct 2024 464th DialFrost 🇸🇬 661 181 209ms 12 Apr 2025 464th error256 661 181 187ms 22 May 2025 466th dokutan 659 64 34ms 23 Feb 2025 467th msbranicky 657 95 9ms 1 Sep 2024 467th Bulmenisaurus 657 95 11ms 4 Sep 2024 467th btjones0 657 95 9ms 13 Sep 2024 467th jfallon1997 657 95 10ms 26 Sep 2024 467th jacekwladzinski 657 95 9ms 7 Oct 2025 467th aalec 657 95 10ms 21 days ago 473rd NickTheEASDude 🇺🇸 657 105 2ms 7 Oct 2025 474th msbranicky 656 136 3ms 1 Sep 2024 475th msbranicky 655 95 1,996ms 8 Jan 2025 476th Shanethegamer 🇺🇸 655 135 377ms 1 Sep 2024 477th albanian-laundromat 655 189 51ms 14 Sep 2025 478th lukechampine 655 200 262ms 7 Jun 2025 478th jerrandolph 655 200 248ms 21 Sep 2025 480th fgrosshans 🇫🇷 650 96 9ms 1 Sep 2024 480th mm1013g 650 96 9ms 2 Sep 2024 480th Mikey-Beep 🇬🇧 650 96 9ms 2 Sep 2024 480th JudeTyrrell 650 96 9ms 22 Sep 2024 484th TFeld00 🇩🇰 649 65 36ms 3 Sep 2024 485th ShiraJoseph 🇺🇸 649 109 9ms 22 Sep 2024 486th voytxt 🇨🇿 647 93 132ms 17 Apr 2025 487th msbranicky 646 203 249ms 1 Sep 2024 488th error256 645 106 18ms 18 Apr 2025 489th Waffle3z 645 107 2ms 2 Oct 2024 490th stefangimmillaro 643 71 961ms 3 Sep 2024 491st scpchicken 🇵🇼 643 97 237ms 8 Sep 2024 491st Carlettos1 643 97 12ms 14 Sep 2024 493rd mrxz 🇳🇱 643 110 9ms 22 Sep 2024 493rd weliveinhell 🇭🇹 643 110 9ms 28 Sep 2024 495th BlankSpruce 641 140 2ms 1 Sep 2024 496th aDwarfNamedUrist 638 138 135ms 4 Sep 2024 497th stefangimmillaro 638 151 342ms 6 Oct 2025 498th SirBogman 🇺🇸 637 73 295ms 23 Jul 2025 499th pickerj 637 98 10ms 13 Sep 2024 499th dtbao20 🇻🇳 637 98 16ms 30 Sep 2024 499th YAJUE114514 637 98 13ms 30 Jul 2025 502nd stefangimmillaro 636 188 206ms 4 Jun 2025 503rd emgordon154 635 40 3ms 10 days ago 504th Shanethegamer 🇺🇸 634 72 1,020ms 1 Sep 2024 504th anter69 🇭🇺 634 72 997ms 25 Oct 2024 506th Ripick 633 127 349ms 6 Sep 2024 507th CaedenHarper 🇨🇦 632 112 9ms 22 Aug 2025 508th olleicua 🇺🇸 630 67 37ms 6 Sep 2024 509th alexeldridge 630 99 10ms 14 Sep 2024 509th Just4FunCoder 630 99 9ms 14 Sep 2025 509th 0xjac 🇨🇭 630 99 10ms 6 days ago 512th BalaM314 626 113 9ms 4 Feb 2025 513th Kacarott 🇦🇺 624 100 10ms 3 Sep 2024 514th cthierfelder 🇲🇨 624 193 65ms 5 Sep 2025 515th SirBogman 🇺🇸 622 59 119ms 23 Jul 2025 516th DialFrost 🇸🇬 622 111 2ms 22 Nov 2024 517th KrausRaus 🇺🇸 621 114 11ms 1 Sep 2024 517th snoozingnewt 🇺🇸 621 114 8ms 12 Oct 2025 519th Shanethegamer 🇺🇸 620 68 35ms 1 Sep 2024 519th emgordon154 620 68 36ms 1 Sep 2024 519th rvs314 620 68 36ms 24 Sep 2024 522nd MeWhenI 🇻🇦 619 86 668ms 15 Sep 2025 523rd madex 🇩🇪 618 101 10ms 1 Sep 2024 523rd RedzGoose 🇦🇺 618 101 9ms 15 Oct 2024 523rd Flekay 🇩🇪 618 101 9ms 10 Jul 2025 First Prev 451–525 of 698 Next Last