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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 240th Natanaelel 🇸🇪 834 55 1,761ms 1 Sep 2024 242nd MeWhenI 🇻🇦 834 75 2,385ms 24 Oct 2024 242nd duckyluuk 🇳🇱 834 75 2,450ms 25 Oct 2024 244th Maznek 834 85 11ms 29 Mar 2026 245th nwellnhof 🇩🇪 834 108 2ms 10 Sep 2024 246th nwellnhof 🇩🇪 833 48 5ms 1 Sep 2024 247th Artemis21 🇬🇧 833 75 11ms 10 Jan 2025 248th edsrzf 🇳🇿 833 134 31ms 14 Mar 2026 249th MeWhenI 🇻🇦 832 45 4ms 1 Sep 2024 250th ovs-code 🇩🇪 832 61 276ms 1 Sep 2024 251st HumanoidCPU 832 70 388ms 2 Sep 2024 251st dokutan 832 70 497ms 14 Feb 2026 253rd emgordon154 831 59 8ms 15 Nov 2024 254th MostParsingVex 830 148 45ms 3 days ago 255th error256 829 98 141ms 12 Feb 2026 256th emplv 🇱🇻 829 159 343ms 18 Sep 2024 257th MeWhenI 🇻🇦 828 98 423ms 2 Sep 2024 258th CLOStrophobic 🇮🇹 828 108 6ms 19 Feb 2025 259th SirBogman 🇺🇸 828 155 44ms 3 Sep 2024 260th GrayJoKing 🇦🇺 826 108 8ms 7 Mar 2026 261st m-tkach 🇺🇦 826 170 635ms 15 Jan 2025 262nd duckyluuk 🇳🇱 825 86 10ms 1 Sep 2024 263rd GolfingSuccess 🇬🇷 823 120 82ms 20 Mar 2026 264th o0BlackDragon0o 822 76 13ms 8 Sep 2024 264th Bombalech 822 76 13ms 8 Sep 2024 264th JunkIce 822 76 11ms 24 Nov 2024 267th AlephSquirrel 821 109 7ms 18 Feb 2025 268th KatieLG 🇬🇧 820 71 471ms 28 Oct 2024 268th GolfingSuccess 🇬🇷 820 71 430ms 12 Mar 2026 270th rak1507 🇬🇧 819 31 3ms 11 Sep 2024 271st primo-ppcg 🇹🇭 819 232 145ms 1 Dec 2025 272nd error256 817 77 5ms 1 Sep 2024 273rd GrayJoKing 🇦🇺 817 84 14ms 1 Sep 2024 273rd annaproxy 817 84 17ms 22 Oct 2024 275th canissimia 🇦🇶 816 116 13ms 4 Sep 2024 276th error256 816 150 27ms 5 May 2025 277th tomtheisen 🇺🇸 815 109 477ms 8 Nov 2024 278th ovs-code 🇩🇪 814 52 40ms 1 Sep 2024 279th sean-niemann 🇺🇸 813 151 83ms 16 Jan 2025 280th albanian-laundromat 🇺🇸 812 201 4ms 23 Jan 2026 281st error256 811 87 6ms 16 Apr 2025 281st edsrzf 🇳🇿 811 87 6ms 1 Dec 2025 283rd Shanethegamer 🇺🇸 810 145 1,547ms 4 Sep 2024 284th GolfingSuccess 🇬🇷 810 210 1,216ms 8 Feb 2025 285th emgordon154 806 211 1,207ms 24 Jan 2025 286th JayXon 🇺🇸 806 273 1,691ms 10 days ago 287th MeWhenI 🇻🇦 805 157 14ms 7 Sep 2024 288th MeWhenI 🇻🇦 804 101 115ms 3 Sep 2024 289th error256 804 146 1,517ms 2 May 2025 290th DialFrost 🇸🇬 802 94 83ms 17 Mar 2025 291st ovs-code 🇩🇪 802 175 9ms 30 Sep 2024 292nd namelessiw 800 111 447ms 22 Apr 2025 293rd nwellnhof 🇩🇪 800 134 439ms 2 Sep 2024 293rd tailorspy 800 134 567ms 16 Sep 2024 295th MeWhenI 🇻🇦 799 50 4ms 1 Sep 2024 295th retrohun 799 50 5ms 9 Mar 2025 297th kg583 🇺🇸 799 112 10ms 9 May 2025 298th pardouin 🇫🇷 797 73 81ms 3 Sep 2024 298th Steffan153 🇫🇮 797 73 78ms 21 Feb 2026 300th kg583 🇺🇸 797 124 81ms 21 Mar 2026 301st lifthrasiir 🇰🇷 794 32 2ms 29 Nov 2024 301st emgordon154 794 32 2ms 11 Mar 2026 303rd rucin93 🇵🇱 794 76 138ms 31 Oct 2024 304th ovs-code 🇩🇪 794 95 78ms 1 Sep 2024 305th stefangimmillaro 794 166 334ms 4 Sep 2024 306th kg583 🇺🇸 793 89 7ms 20 Dec 2025 307th mousetail 🇳🇱 791 62 59ms 3 Sep 2024 307th GolfingSuccess 🇬🇷 791 62 10ms 2 Dec 2025 309th FlorianCassayre 🇫🇷 791 79 13ms 15 Sep 2024 310th albanian-laundromat 🇺🇸 787 114 2ms 27 Nov 2025 311th rzv-me 786 80 5ms 5 Oct 2024 312th sean-niemann 🇺🇸 786 113 471ms 5 Sep 2024 313th MostParsingVex 785 156 65ms 27 days ago 314th error256 783 154 209ms 12 Feb 2026 315th nwellnhof 🇩🇪 781 80 15ms 4 Sep 2024 315th canissimia 🇦🇶 781 80 16ms 12 Sep 2024 315th RaBa21 🇭🇺 781 80 10ms 18 Jul 2025 315th 4atj 781 80 18ms 1 Dec 2025 315th HPWiz 🇳🇿 781 80 15ms 6 Dec 2025 315th zgialor-lab 781 80 14ms 17 Dec 2025 First Prev 241–320 of 841 Next Last