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PalindromemordnilaP in all languages in bytes. 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 Bytes Time Submitted 600th JOrE20 622 114 10ms 21 Feb 2026 602nd albanian-laundromat 🇺🇸 621 69 712ms 12 Sep 2025 603rd yokasuretsu 618 124 10ms 10 Jul 2025 603rd hamilton-bonds 618 124 10ms 24 Jul 2025 603rd robin-scragg 618 124 14ms 18 Oct 2025 606th lifthrasiir 🇰🇷 618 227 46ms 11 Dec 2024 607th Andrey-Plotnikov 616 115 10ms 30 Sep 2025 608th aliakseikalosha 616 144 439ms 5 Sep 2024 609th KatieLG 🇬🇧 613 69 46ms 1 Sep 2024 610th Shanethegamer 🇺🇸 612 102 2,800ms 25 Oct 2024 610th dokutan 612 102 2,809ms 26 Oct 2024 612th Natanaelel 🇸🇪 611 112 14ms 15 May 2025 613th BambooleanLogic 🇸🇪 611 116 10ms 19 Nov 2024 613th acollett89 611 116 10ms 4 Aug 2025 615th msbranicky 608 86 170ms 16 Sep 2024 616th nhausspiegel 608 126 13ms 13 Sep 2024 617th CaedenHarper 🇨🇦 603 71 674ms 27 Sep 2025 618th matsagad 603 127 10ms 16 Jan 2025 619th Shanethegamer 🇺🇸 603 134 439ms 1 Sep 2024 620th dokutan 603 147 461ms 3 Nov 2024 621st dokutan 602 76 1,640ms 3 Sep 2024 622nd Shanethegamer 🇺🇸 602 107 83ms 1 Sep 2024 623rd Arkadios200 602 132 103ms 11 Oct 2025 624th mamamia5x 601 118 11ms 12 Sep 2024 624th scpchicken 🇵🇼 601 118 11ms 4 days ago 626th xyangst 599 128 11ms 12 Oct 2024 626th 123mjb 599 128 10ms 19 Nov 2025 628th inventshah 599 150 2ms 1 Sep 2024 629th h3ra993huskp 🇯🇵 598 163 475ms 30 Nov 2025 630th mousetail 🇳🇱 597 105 5ms 3 Sep 2024 631st emgordon154 597 128 12ms 20 Mar 2026 632nd emgordon154 595 104 136ms 14 Nov 2024 633rd CaedenHarper 🇨🇦 595 149 445ms 16 Oct 2025 634th MeWhenI 🇻🇦 595 177 40ms 4 Sep 2024 634th Shanethegamer 🇺🇸 595 177 44ms 4 Sep 2024 636th KatieLG 🇬🇧 594 77 1,602ms 1 Sep 2024 637th BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 638th luuumine 🇫🇷 590 204 211ms 18 Nov 2025 639th KatieLG 🇬🇧 589 135 103ms 21 Nov 2025 640th DialFrost 🇸🇬 586 107 6ms 1 Sep 2024 641st cbrt-x 585 151 121ms 11 Sep 2024 642nd Mabeloid 🇳🇴 582 109 569ms 17 Sep 2024 643rd dokutan 582 181 41ms 1 Sep 2024 644th snoozingnewt 🇨🇦 582 226 326ms 1 Sep 2024 645th GeorgeStechman 🇬🇧 581 122 11ms 5 Nov 2024 645th gigaprofisi 🇺🇸 581 122 10ms 10 Aug 2025 647th muser-logiccpu 🇺🇦 580 119 2ms 23 Jul 2025 648th dokutan 578 107 159ms 14 Feb 2026 649th xyangst 576 123 11ms 15 Oct 2024 650th JohandeRuiter 🇳🇱 576 156 2ms 2 Sep 2024 651st emgordon154 573 133 13ms 16 Dec 2024 652nd vhoulbreque 🇫🇷 573 146 182ms 11 Nov 2025 653rd dokutan 572 74 42ms 20 Feb 2025 654th dokutan 571 75 742ms 29 Aug 2025 655th dokutan 565 132 3ms 1 Sep 2024 656th TeodorDyakov 🇧🇬 565 159 2ms 6 Sep 2025 657th TheZwierzLF 🇵🇱 564 75 39ms 27 Dec 2025 658th HumanoidCPU 563 110 132ms 22 Nov 2025 659th emgordon154 563 113 111ms 4 Dec 2025 660th tomh1012 563 126 11ms 18 Sep 2025 661st smiksky 🇺🇸 563 136 10ms 16 Oct 2024 662nd MostParsingVex 562 160 27ms 30 Sep 2024 663rd Stockoh 🇫🇷 559 137 10ms 17 Oct 2024 664th RedzGoose 🇦🇺 557 145 108ms 9 Sep 2024 665th brimstonetrader 555 138 11ms 17 Oct 2024 666th msbranicky 552 135 3ms 1 Sep 2024 667th mm1013g 540 142 10ms 2 Sep 2024 668th DialFrost 🇸🇬 539 76 17ms 1 Aug 2025 669th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 670th dokutan 539 155 220ms 1 Sep 2024 671st Shanethegamer 🇺🇸 538 91 22ms 1 Sep 2024 672nd snoozingnewt 🇨🇦 536 79 47ms 12 Oct 2025 673rd Shanethegamer 🇺🇸 536 206 32ms 4 Sep 2024 674th Shanethegamer 🇺🇸 533 183 480ms 24 Sep 2025 675th albanian-laundromat 🇺🇸 533 352 11ms 18 Sep 2025 676th trijin 532 118 5ms 5 Oct 2024 677th AstroOrbis 525 145 6ms 25 Feb 2026 678th pickerj 525 146 11ms 12 Sep 2024 679th tomh1012 525 169 407ms 17 Sep 2025 680th ravnskjaer 🇩🇰 524 186 507ms 15 Dec 2025 681st CaedenHarper 🇨🇦 519 188 461ms 3 Oct 2025 682nd error256 515 134 2ms 24 Sep 2024 683rd dokutan 507 174 12ms 28 Feb 2026 684th rboath 506 159 105ms 18 Dec 2024 685th dbut2 🇦🇺 504 261 337ms 3 Sep 2024 686th snoozingnewt 🇨🇦 503 141 10ms 12 Oct 2025 687th LukeBridges 🇬🇧 499 142 11ms 3 Sep 2024 688th MeWhenI 🇻🇦 498 86 728ms 15 Sep 2025 689th snoozingnewt 🇨🇦 497 160 111ms 1 Sep 2024 690th MeWhenI 🇻🇦 497 181 2ms 13 Jun 2025 691st HunterC14 494 155 12ms 21 Oct 2024 692nd mateusz-sterczewski 492 86 40ms 15 Jan 2026 693rd rucin93 🇵🇱 491 152 3ms 19 days ago 694th madex 🇩🇪 491 183 2ms 2 Sep 2024 695th codewrite 🇬🇧 490 181 492ms 30 Dec 2025 696th Naitzirch 🇳🇱 485 158 11ms 3 Jul 2025 697th alphafalfa 480 105 4ms 1 Nov 2024 698th snoozingnewt 🇨🇦 479 185 420ms 4 Oct 2025 699th rucin93 🇵🇱 479 251 232ms 5 Sep 2024 700th junkondo-jp 476 149 10ms 15 Dec 2024 First Prev 601–700 of 781 Next Last