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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 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 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 466th CaedenHarper 🇨🇦 687 91 30ms 1 Dec 2025 466th solisolu 687 91 10ms 31 Dec 2025 466th mateusz-sterczewski 687 91 10ms 15 Jan 2026 466th Matter1024 🇮🇳 687 91 12ms 31 Jan 2026 466th souta-1326 687 91 11ms 19 Feb 2026 486th MeWhenI 🇻🇦 686 88 127ms 1 Sep 2024 486th error256 686 88 129ms 10 Sep 2024 488th DialFrost 🇸🇬 683 62 40ms 30 Jan 2025 488th KatieLG 🇬🇧 683 62 40ms 2 Oct 2025 490th error256 682 63 1,138ms 20 Dec 2025 491st olleicua 🇺🇸 682 104 11ms 11 Sep 2024 492nd MeWhenI 🇻🇦 682 117 114ms 2 Sep 2024 492nd stefangimmillaro 682 117 103ms 2 Sep 2024 494th madex 🇩🇪 681 177 226ms 17 Sep 2024 495th dokutan 680 156 42ms 1 Sep 2024 496th fourth-bit 679 92 9ms 4 Sep 2024 496th bnic24 679 92 10ms 5 Sep 2024 496th Jakob-L-M 679 92 11ms 9 days ago 499th BlankSpruce 678 158 64ms 1 Sep 2024 500th dcgjb 677 69 290ms 11 Sep 2024 501st chunes3 🇺🇸 675 112 64ms 1 Sep 2024 502nd alicethecatwhisperermeow 673 132 451ms 14 Sep 2024 503rd stefangimmillaro 672 63 44ms 2 Sep 2024 503rd SirBogman 🇺🇸 672 63 39ms 5 Sep 2024 505th adamnielson42 🇺🇸 672 93 13ms 7 Oct 2024 505th smiksky 🇺🇸 672 93 10ms 16 Oct 2024 505th guilhem-roy 🇫🇷 672 93 10ms 31 May 2025 508th madeforlosers 669 106 10ms 23 Oct 2024 509th DialFrost 🇸🇬 666 96 99ms 28 Nov 2025 510th DialFrost 🇸🇬 666 181 198ms 12 Apr 2025 511th mousetail 🇳🇱 665 94 13ms 1 Sep 2024 511th ljweel 665 94 11ms 12 Sep 2024 513th Shanethegamer 🇺🇸 663 91 140ms 5 Sep 2024 514th dokutan 662 64 48ms 23 Feb 2025 515th GolfingSuccess 🇬🇷 662 162 448ms 1 Sep 2024 515th ovs-code 🇩🇪 662 162 2,842ms 1 Sep 2024 517th snoozingnewt 🇨🇦 662 194 44ms 13 days ago 518th msbranicky 660 136 3ms 1 Sep 2024 519th m-tkach 🇺🇦 660 169 29ms 9 Feb 2026 520th msbranicky 659 95 2,459ms 8 Jan 2025 521st NickTheEASDude 🇺🇸 659 105 2ms 7 Oct 2025 522nd lukechampine 659 200 342ms 7 Jun 2025 522nd jerrandolph 659 200 334ms 21 Sep 2025 524th msbranicky 658 95 11ms 1 Sep 2024 524th Bulmenisaurus 658 95 12ms 4 Sep 2024 524th btjones0 658 95 10ms 13 Sep 2024 524th jfallon1997 658 95 10ms 26 Sep 2024 524th jacekwladzinski 658 95 10ms 7 Oct 2025 524th aalec 658 95 10ms 8 Nov 2025 530th Shanethegamer 🇺🇸 658 135 460ms 1 Sep 2024 531st AlephSquirrel 658 248 3ms 29 Sep 2024 532nd jusaka 654 89 423ms 10 days ago 533rd TFeld00 🇩🇰 651 65 39ms 3 Sep 2024 534th dokutan 651 78 202ms 3 Sep 2024 535th fgrosshans 🇫🇷 651 96 10ms 1 Sep 2024 535th mm1013g 651 96 12ms 2 Sep 2024 535th Mikey-Beep 🇬🇧 651 96 10ms 2 Sep 2024 535th JudeTyrrell 651 96 13ms 22 Sep 2024 539th ShiraJoseph 🇺🇸 651 109 11ms 22 Sep 2024 540th albanian-laundromat 🇺🇸 650 189 44ms 14 Sep 2025 541st msbranicky 650 203 333ms 1 Sep 2024 542nd voytxt 🇨🇿 649 93 138ms 17 Apr 2025 543rd stefangimmillaro 647 151 496ms 6 Oct 2025 544th stefangimmillaro 646 71 1,623ms 3 Sep 2024 545th Waffle3z 646 107 2ms 2 Oct 2024 546th Chinay-Domitrix 🇺🇸 645 97 2,369ms 14 Mar 2026 547th mrxz 🇳🇱 645 110 11ms 22 Sep 2024 547th weliveinhell 🇭🇹 645 110 10ms 28 Sep 2024 549th Carlettos1 644 97 13ms 14 Sep 2024 550th BlankSpruce 644 140 2ms 1 Sep 2024 551st aDwarfNamedUrist 642 138 118ms 4 Sep 2024 552nd stefangimmillaro 641 188 209ms 4 Jun 2025 553rd SirBogman 🇺🇸 640 73 288ms 23 Jul 2025 554th Ripick 639 127 433ms 6 Sep 2024 555th pickerj 638 98 12ms 13 Sep 2024 555th dtbao20 🇻🇳 638 98 22ms 30 Sep 2024 555th YAJUE114514 638 98 10ms 30 Jul 2025 555th netfri25 🇮🇱 638 98 10ms 22 Feb 2026 555th rotemkm 638 98 11ms 22 Feb 2026 560th Shanethegamer 🇺🇸 637 72 1,553ms 1 Sep 2024 First Prev 481–560 of 841 Next Last