PalindromemordnilaP in Python 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 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 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 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 Chars Time Submitted 65th commandblockguy 🇺🇸 747 87 12ms 11 Jul 2025 65th hiichbindermax 747 87 15ms 19 Aug 2025 65th robin-scragg 747 87 15ms 18 Oct 2025 79th AlephSquirrel 739 88 202ms 1 Sep 2024 79th ahmetdemirag 🇨🇾 739 88 12ms 3 Sep 2024 79th hellwue 739 88 14ms 4 Sep 2024 79th Schreipfelerer 739 88 13ms 11 Sep 2024 79th bob-th 739 88 13ms 17 Sep 2024 79th InigoK 🇺🇸 739 88 13ms 18 Sep 2024 79th moustave 739 88 12ms 24 Oct 2024 79th andrewjc2000 739 88 14ms 10 Mar 2025 87th OllieBoyne 🇬🇧 730 89 10ms 9 Sep 2024 87th davecame 730 89 10ms 17 Sep 2024 87th Bmrl7 730 89 13ms 3 Oct 2024 87th DialFrost 🇸🇬 730 89 12ms 21 Nov 2024 87th CommandLeo 🇮🇹 730 89 14ms 9 days ago 87th KasperKivimaeki 🇫🇮 730 89 13ms 5 days ago 93rd BlankSpruce 714 91 14ms 1 Sep 2024 93rd ZakkkkAttackkkk 🇵🇭 714 91 13ms 1 Sep 2024 93rd BREMAUCY 🇫🇷 714 91 13ms 3 Sep 2024 93rd charliegaming 714 91 14ms 7 Sep 2024 93rd mbittner20 714 91 15ms 9 Sep 2024 93rd neihousaigaai 714 91 13ms 28 Sep 2024 93rd Rubiksmath 714 91 12ms 1 Oct 2024 93rd jameswmccarty 714 91 12ms 2 Dec 2024 93rd croc54 714 91 13ms 12 Jan 2025 93rd Pyroan 714 91 13ms 24 Feb 2025 93rd WillowWispy 714 91 13ms 21 Mar 2025 93rd clayboll99 714 91 14ms 15 Jul 2025 93rd blaztoma 🇱🇹 714 91 15ms 21 Sep 2025 93rd vhoulbreque 🇫🇷 714 91 13ms 14 days ago 93rd FortuiteMan 🇫🇷 714 91 13ms 5 days ago 93rd LostSyntax21 🇬🇧 714 91 13ms 5 days ago 93rd CaedenHarper 🇨🇦 714 91 48ms 4 days ago 110th fourth-bit 707 92 14ms 4 Sep 2024 110th bnic24 707 92 15ms 5 Sep 2024 112th adamnielson42 🇺🇸 699 93 13ms 7 Oct 2024 112th smiksky 🇺🇸 699 93 15ms 16 Oct 2024 112th guilhem-roy 🇫🇷 699 93 15ms 31 May 2025 115th mousetail 🇳🇱 691 94 16ms 1 Sep 2024 115th ljweel 691 94 13ms 12 Sep 2024 117th msbranicky 684 95 13ms 1 Sep 2024 117th Bulmenisaurus 684 95 15ms 4 Sep 2024 117th btjones0 684 95 14ms 13 Sep 2024 117th jfallon1997 684 95 13ms 26 Sep 2024 117th jacekwladzinski 684 95 11ms 7 Oct 2025 117th aalec 684 95 15ms 27 days ago 123rd fgrosshans 🇫🇷 677 96 14ms 1 Sep 2024 123rd mm1013g 677 96 11ms 2 Sep 2024 123rd Mikey-Beep 🇬🇧 677 96 13ms 2 Sep 2024 123rd JudeTyrrell 677 96 13ms 22 Sep 2024 127th scpchicken 🇵🇼 670 97 394ms 8 Sep 2024 127th Carlettos1 670 97 15ms 14 Sep 2024 129th pickerj 663 98 16ms 13 Sep 2024 129th dtbao20 🇻🇳 663 98 19ms 30 Sep 2024 129th YAJUE114514 663 98 14ms 30 Jul 2025 132nd alexeldridge 657 99 14ms 14 Sep 2024 132nd Just4FunCoder 657 99 13ms 14 Sep 2025 132nd 0xjac 🇨🇭 657 99 12ms 11 days ago 135th Kacarott 🇦🇺 650 100 14ms 3 Sep 2024 136th madex 🇩🇪 644 101 14ms 1 Sep 2024 136th RedzGoose 🇦🇺 644 101 14ms 15 Oct 2024 136th Flekay 🇩🇪 644 101 13ms 10 Jul 2025 139th sciencejiho 637 102 14ms 13 Sep 2024 139th Papushkado 637 102 14ms 25 days ago 141st julian-hoelz 631 103 13ms 16 Sep 2024 141st StefanHabel 🇨🇦 631 103 145ms 22 Mar 2025 143rd ComputerKWasTaken 🇺🇸 625 104 13ms 2 Sep 2024 143rd elgan65536 625 104 13ms 23 Sep 2024 143rd NickTheEASDude 🇺🇸 625 104 11ms 7 Oct 2025 146th CutSandstone 613 106 17ms 21 Dec 2024 147th galloj 🇨🇿 607 107 13ms 4 Sep 2024 147th jared-hughes 607 107 14ms 10 Sep 2024 147th nstearns96 🇬🇧 607 107 12ms 13 Nov 2024 147th brochmann 🇸🇪 607 107 11ms 16 Oct 2025 First Prev 76–150 of 180 Next Last