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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 78th emgordon154 906 69 11ms 26 Sep 2024 78th anter69 🇭🇺 906 69 12ms 11 Oct 2024 78th Babafaba 906 69 12ms 22 Oct 2025 84th MeWhenI 🇻🇦 901 47 47ms 1 Sep 2024 84th GrayJoKing 🇦🇺 901 47 39ms 2 Sep 2024 84th sean-niemann 🇺🇸 901 47 42ms 21 Dec 2024 84th Natanaelel 🇸🇪 901 47 39ms 24 Jan 2025 84th Steffan153 🇫🇮 901 47 39ms 11 Feb 2026 89th JayXon 🇺🇸 900 67 136ms 31 Oct 2024 90th nwellnhof 🇩🇪 898 52 218ms 1 Sep 2024 91st emplv 🇱🇻 898 70 5ms 17 Sep 2024 92nd JayXon 🇺🇸 898 77 2ms 9 Jan 2025 92nd GrayJoKing 🇦🇺 898 77 2ms 12 Jul 2025 92nd edsrzf 🇳🇿 898 77 2ms 1 Dec 2025 95th JayXon 🇺🇸 897 99 541ms 11 Jul 2025 95th AdrienHache 🇫🇷 897 99 448ms 17 Sep 2025 95th Yax42 🇫🇷 897 99 447ms 8 Oct 2025 98th HPWiz 🇳🇿 896 46 30ms 26 Dec 2025 99th Babafaba 896 65 464ms 22 Oct 2025 99th CornerMercury 🇬🇧 896 65 424ms 24 Jan 2026 101st nwellnhof 🇩🇪 896 109 530ms 25 Sep 2025 101st JayXon 🇺🇸 896 109 524ms 25 Sep 2025 101st edsrzf 🇳🇿 896 109 564ms 28 Feb 2026 104th GrayJoKing 🇦🇺 894 47 7ms 25 Nov 2025 105th emgordon154 894 70 2,815ms 8 Nov 2024 106th pardouin 🇫🇷 894 99 118ms 1 Sep 2024 106th Natanaelel 🇸🇪 894 99 116ms 1 Sep 2024 106th ovs-code 🇩🇪 894 99 120ms 1 Sep 2024 106th sean-niemann 🇺🇸 894 99 119ms 4 Sep 2024 106th JayXon 🇺🇸 894 99 117ms 6 Sep 2024 106th lynn 894 99 119ms 8 Jan 2025 106th xnor-gate 894 99 119ms 4 Mar 2025 106th Sakisan 🇧🇪 894 99 115ms 22 Apr 2025 106th tobeannouncd 894 99 127ms 25 Apr 2025 106th HPWiz 🇳🇿 894 99 117ms 27 Sep 2025 106th edsrzf 🇳🇿 894 99 128ms 20 Dec 2025 106th Steffan153 🇫🇮 894 99 120ms 17 Feb 2026 118th firegene 🇮🇪 893 70 11ms 3 Sep 2024 118th snoozingnewt 🇨🇦 893 70 11ms 22 Nov 2025 120th btnlq 892 55 6ms 1 Sep 2024 120th ovs-code 🇩🇪 892 55 12ms 20 Oct 2024 120th sean-niemann 🇺🇸 892 55 6ms 29 Dec 2024 120th Steffan153 🇫🇮 892 55 6ms 11 Feb 2026 124th JayXon 🇺🇸 892 101 2ms 18 Sep 2024 125th nwellnhof 🇩🇪 888 100 478ms 22 Jul 2025 126th Natanaelel 🇸🇪 886 80 10ms 1 Sep 2024 126th MeWhenI 🇻🇦 886 80 11ms 1 Sep 2024 126th helbling 🇨🇭 886 80 10ms 11 Jul 2025 129th GrayJoKing 🇦🇺 884 60 12ms 3 Sep 2024 129th error256 884 60 12ms 3 Sep 2024 129th edsrzf 🇳🇿 884 60 12ms 1 Dec 2025 132nd radarek 🇵🇱 882 52 1,720ms 10 Sep 2024 132nd edsrzf 🇳🇿 882 52 1,364ms 31 Jan 2026 134th error256 882 66 76ms 6 Sep 2024 134th lifthrasiir 🇰🇷 882 66 405ms 2 Dec 2024 134th snoozingnewt 🇨🇦 882 66 446ms 22 Nov 2025 137th sean-niemann 🇺🇸 882 80 6ms 16 Aug 2025 138th JayXon 🇺🇸 881 71 2,659ms 8 Nov 2024 138th pardouin 🇫🇷 881 71 2,462ms 17 Nov 2024 140th ovs-code 🇩🇪 880 25 41ms 1 Sep 2024 141st starfihs 880 71 162ms 5 Sep 2024 141st dokutan 880 71 13ms 13 Sep 2024 141st KatieLG 🇬🇧 880 71 10ms 14 Sep 2024 141st lifthrasiir 🇰🇷 880 71 11ms 20 Nov 2024 141st plcc0 880 71 10ms 6 Mar 2025 141st keelimeguy 🇺🇸 880 71 10ms 17 May 2025 141st albanian-laundromat 🇺🇸 880 71 10ms 5 Jun 2025 141st JOrE20 880 71 14ms 11 Feb 2026 141st Flekay 🇩🇪 880 71 11ms 15 Feb 2026 141st jusaka 880 71 11ms 24 days ago 151st IanUtley 880 78 15ms 1 Sep 2024 151st kops-cg 880 78 15ms 6 Mar 2025 153rd JayXon 🇺🇸 880 137 224ms 10 Jul 2025 153rd acotis 880 137 233ms 24 Sep 2025 155th JayXon 🇺🇸 878 122 439ms 18 Sep 2024 156th JayXon 🇺🇸 877 91 108ms 10 Sep 2024 157th ashtraypettingzoo 🇺🇸 876 29 2ms 1 Sep 2024 157th GolfingSuccess 🇬🇷 876 29 3ms 25 Mar 2025 159th xsot 🇸🇬 876 58 8ms 19 Dec 2025 160th error256 876 73 129ms 28 Feb 2026 First Prev 81–160 of 841 Next Last