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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 151st voytxt 🇨🇿 863 82 9ms 1 Sep 2024 151st dmrichwa 🇺🇸 863 82 9ms 2 Sep 2024 153rd JayXon 🇺🇸 862 53 1,008ms 2 Sep 2024 153rd pardouin 🇫🇷 862 53 1,086ms 4 Sep 2025 155th GrayJoKing 🇦🇺 861 57 7ms 20 Mar 2025 156th error256 860 112 336ms 24 Sep 2025 156th sean-niemann 🇺🇸 860 112 344ms 24 Sep 2025 156th MeWhenI 🇻🇦 860 112 337ms 22 days ago 159th kumavale 860 139 236ms 28 Oct 2025 160th sean-niemann 🇺🇸 859 62 650ms 22 Sep 2025 161st xsot 🇸🇬 859 66 15ms 10 Jul 2025 162nd duckyluuk 🇳🇱 857 49 5ms 4 days ago 163rd JayXon 🇺🇸 856 94 479ms 23 Jul 2025 164th ovs-code 🇩🇪 855 61 237ms 1 Sep 2024 165th MeWhenI 🇻🇦 854 57 7ms 1 Sep 2024 166th JayXon 🇺🇸 854 94 102ms 10 Sep 2024 167th DialFrost 🇸🇬 854 103 180ms 21 Nov 2024 168th KasperKivimaeki 🇫🇮 854 105 2ms 17 Aug 2025 169th edsrzf 🇳🇿 854 107 6ms 19 Oct 2025 170th tayloia 🇬🇧 852 83 10ms 1 Sep 2024 171st firegene 🇮🇪 851 70 10ms 3 Sep 2024 171st snoozingnewt 🇺🇸 851 70 10ms 7 days ago 173rd JayXon 🇺🇸 851 87 3ms 20 Sep 2024 174th snoozingnewt 🇺🇸 850 88 80ms 7 days ago 175th JayXon 🇺🇸 849 105 2ms 12 days ago 176th pardouin 🇫🇷 848 71 128ms 2 Sep 2024 177th JayXon 🇺🇸 847 68 87ms 18 Jun 2025 178th error256 846 94 104ms 1 Sep 2024 179th JayXon 🇺🇸 846 95 122ms 24 May 2025 179th edsrzf 🇳🇿 846 95 97ms 2 days ago 181st CLOStrophobic 🇮🇹 846 108 7ms 19 Feb 2025 182nd edsrzf 🇳🇿 844 99 4ms 9 Jan 2025 183rd sean-niemann 🇺🇸 843 74 5ms 19 Dec 2024 184th edsrzf 🇳🇿 843 125 38ms 31 Dec 2024 184th kg583 🇺🇸 843 125 42ms 25 Mar 2025 186th GrayJoKing 🇦🇺 842 84 9ms 2 Sep 2024 186th uttumuttu 🇫🇮 842 84 9ms 30 Sep 2024 186th didion0 🇺🇸 842 84 9ms 30 May 2025 189th SirBogman 🇺🇸 841 36 35ms 11 Sep 2024 190th Kacarott 🇦🇺 841 89 70ms 1 Sep 2024 191st bizy-coder 840 69 541ms 3 Sep 2024 192nd starfihs 839 71 154ms 5 Sep 2024 192nd dokutan 839 71 10ms 13 Sep 2024 192nd KatieLG 🇬🇧 839 71 12ms 14 Sep 2024 192nd lifthrasiir 🇰🇷 839 71 10ms 20 Nov 2024 192nd plcc0 839 71 10ms 6 Mar 2025 192nd keelimeguy 🇺🇸 839 71 10ms 17 May 2025 192nd albanian-laundromat 839 71 11ms 5 Jun 2025 199th AlephSquirrel 839 109 8ms 18 Feb 2025 200th Shanethegamer 🇺🇸 838 96 126ms 24 May 2025 200th DialFrost 🇸🇬 838 96 93ms 2 days ago 202nd Shanethegamer 🇺🇸 836 202 1,572ms 1 Mar 2025 203rd xnor-gate 834 82 19ms 5 Mar 2025 204th nwellnhof 🇩🇪 833 48 4ms 1 Sep 2024 205th MeWhenI 🇻🇦 832 75 4ms 3 Sep 2024 206th nwellnhof 🇩🇪 831 108 2ms 10 Sep 2024 207th JayXon 🇺🇸 831 111 413ms 20 Sep 2024 208th MeWhenI 🇻🇦 830 45 4ms 1 Sep 2024 209th MeWhenI 🇻🇦 830 55 1,041ms 1 Sep 2024 209th Natanaelel 🇸🇪 830 55 991ms 1 Sep 2024 211th Shanethegamer 🇺🇸 830 145 1,326ms 4 Sep 2024 211th m-tkach 🇺🇦 830 145 67ms 27 Sep 2024 213th MeWhenI 🇻🇦 829 75 2,130ms 24 Oct 2024 213th duckyluuk 🇳🇱 829 75 2,159ms 25 Oct 2024 215th HumanoidCPU 828 70 604ms 2 Sep 2024 216th qpwoeirut 827 72 12ms 1 Oct 2025 217th emgordon154 825 59 11ms 15 Nov 2024 218th error256 825 146 1,362ms 2 May 2025 219th emplv 🇱🇻 824 159 263ms 18 Sep 2024 220th duckyluuk 🇳🇱 823 86 8ms 1 Sep 2024 221st sean-niemann 🇺🇸 823 112 444ms 4 Sep 2024 222nd xsot 🇸🇬 821 76 4ms 3 Sep 2024 223rd MeWhenI 🇻🇦 821 98 332ms 2 Sep 2024 224th rak1507 🇬🇧 819 31 2ms 11 Sep 2024 225th sean-niemann 🇺🇸 819 151 81ms 16 Jan 2025 First Prev 151–225 of 699 Next Last