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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 Huffman Encoder 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 Huffman Encoder 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 601st Arkadios200 602 132 103ms 11 Oct 2025 602nd ComputerKWasTaken 🇺🇸 601 104 11ms 2 Sep 2024 602nd elgan65536 🇺🇸 601 104 11ms 23 Sep 2024 602nd NickTheEASDude 🇺🇸 601 104 10ms 7 Oct 2025 605th scpchicken 🇵🇼 601 118 11ms 5 days ago 606th inventshah 599 150 2ms 1 Sep 2024 607th h3ra993huskp 🇯🇵 598 163 475ms 30 Nov 2025 608th mousetail 🇳🇱 597 105 5ms 3 Sep 2024 609th emgordon154 597 128 12ms 20 Mar 2026 610th CaedenHarper 🇨🇦 595 149 445ms 16 Oct 2025 611th Shanethegamer 🇺🇸 595 177 44ms 4 Sep 2024 612th KatieLG 🇬🇧 594 77 1,602ms 1 Sep 2024 613th BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 614th luuumine 🇫🇷 590 204 211ms 18 Nov 2025 615th msbranicky 589 86 170ms 16 Sep 2024 616th CutSandstone 589 106 12ms 21 Dec 2024 617th KatieLG 🇬🇧 589 135 103ms 21 Nov 2025 618th DialFrost 🇸🇬 586 107 6ms 1 Sep 2024 619th Shanethegamer 🇺🇸 586 120 6ms 2 Sep 2024 620th cbrt-x 585 151 121ms 11 Sep 2024 621st galloj 🇨🇿 584 107 11ms 4 Sep 2024 621st jared-hughes 584 107 12ms 10 Sep 2024 621st nstearns96 🇬🇧 584 107 11ms 13 Nov 2024 621st brochmann 🇸🇪 584 107 10ms 16 Oct 2025 625th snoozingnewt 🇨🇦 582 226 326ms 1 Sep 2024 626th GeorgeStechman 🇬🇧 581 122 11ms 5 Nov 2024 626th gigaprofisi 🇺🇸 581 122 10ms 10 Aug 2025 628th muser-logiccpu 🇺🇦 580 119 2ms 23 Jul 2025 629th JesseNoEyes 🇺🇸 579 108 11ms 30 Sep 2024 630th RedzGoose 🇦🇺 576 101 402ms 15 Oct 2024 631st xyangst 576 123 11ms 15 Oct 2024 632nd JohandeRuiter 🇳🇱 576 156 2ms 2 Sep 2024 633rd Mabeloid 🇳🇴 573 109 11ms 1 Sep 2024 633rd MassimoParisi 573 109 12ms 18 Sep 2024 633rd klixel 🇨🇦 573 109 10ms 21 Sep 2024 633rd NotNoper 573 109 10ms 29 Oct 2024 633rd za3k 573 109 10ms 15 Jul 2025 638th vhoulbreque 🇫🇷 573 146 182ms 11 Nov 2025 639th dokutan 571 75 742ms 29 Aug 2025 640th Andrey2001 568 110 14ms 31 Jan 2026 641st dokutan 565 132 3ms 1 Sep 2024 642nd TeodorDyakov 🇧🇬 565 159 2ms 6 Sep 2025 643rd TheZwierzLF 🇵🇱 564 75 39ms 27 Dec 2025 644th aksyristos 563 111 13ms 1 Sep 2024 644th AstroOrbis 563 111 10ms 30 Jun 2025 646th emgordon154 563 113 111ms 4 Dec 2025 647th tomh1012 563 126 11ms 18 Sep 2025 648th MostParsingVex 562 160 27ms 30 Sep 2024 649th RedzGoose 🇦🇺 557 145 108ms 9 Sep 2024 650th msbranicky 552 135 3ms 1 Sep 2024 651st HumanoidCPU 547 110 132ms 22 Nov 2025 652nd Yewzir 🇧🇪 543 115 11ms 1 Dec 2025 653rd Shanethegamer 🇺🇸 541 107 83ms 1 Sep 2024 654th DialFrost 🇸🇬 539 76 17ms 1 Aug 2025 655th LeoCh01 539 116 10ms 1 Sep 2024 656th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 657th dokutan 539 155 220ms 1 Sep 2024 658th Shanethegamer 🇺🇸 538 91 22ms 1 Sep 2024 659th snoozingnewt 🇨🇦 536 79 47ms 12 Oct 2025 660th Shanethegamer 🇺🇸 536 206 32ms 4 Sep 2024 661st Mabeloid 🇳🇴 534 109 569ms 17 Sep 2024 662nd Shanethegamer 🇺🇸 533 183 480ms 24 Sep 2025 663rd albanian-laundromat 🇺🇸 533 352 11ms 18 Sep 2025 664th trijin 532 118 5ms 5 Oct 2024 665th emgordon154 529 133 13ms 16 Dec 2024 666th Zhenyu-Bo 525 119 10ms 1 Aug 2025 666th tomh1012 525 119 10ms 2 Mar 2026 668th tomh1012 525 169 407ms 17 Sep 2025 669th ravnskjaer 🇩🇰 524 186 507ms 15 Dec 2025 670th lhulinsky 521 120 13ms 23 Oct 2024 670th arjunarya1 521 120 10ms 11 Sep 2025 672nd CaedenHarper 🇨🇦 519 188 461ms 3 Oct 2025 673rd error256 515 134 2ms 24 Sep 2024 674th kevinnaviapaiva 512 122 10ms 16 Feb 2025 675th eddvrs 508 123 10ms 29 Sep 2024 676th dokutan 507 174 12ms 28 Feb 2026 677th Yewzir 🇧🇪 506 115 436ms 1 Dec 2025 678th yokasuretsu 504 124 10ms 10 Jul 2025 678th hamilton-bonds 504 124 10ms 24 Jul 2025 680th dbut2 🇦🇺 504 261 337ms 3 Sep 2024 681st LukeBridges 🇬🇧 499 142 11ms 3 Sep 2024 682nd MeWhenI 🇻🇦 498 86 728ms 15 Sep 2025 683rd snoozingnewt 🇨🇦 497 160 111ms 1 Sep 2024 684th MeWhenI 🇻🇦 497 181 2ms 13 Jun 2025 685th nhausspiegel 496 126 13ms 13 Sep 2024 686th mateusz-sterczewski 492 86 40ms 15 Jan 2026 687th matsagad 492 127 10ms 16 Jan 2025 688th rucin93 🇵🇱 491 152 3ms 21 days ago 689th madex 🇩🇪 491 183 2ms 2 Sep 2024 690th codewrite 🇬🇧 490 181 492ms 30 Dec 2025 691st xyangst 488 128 11ms 12 Oct 2024 691st 123mjb 488 128 10ms 19 Nov 2025 693rd AstroOrbis 485 145 6ms 25 Feb 2026 694th snoozingnewt 🇨🇦 483 120 118ms 14 Oct 2025 695th alphafalfa 480 105 4ms 1 Nov 2024 696th snoozingnewt 🇨🇦 479 185 420ms 4 Oct 2025 697th rucin93 🇵🇱 479 251 232ms 5 Sep 2024 698th junkondo-jp 476 149 10ms 15 Dec 2024 699th snoozingnewt 🇨🇦 476 189 2ms 9 Oct 2025 700th KatieLG 🇬🇧 475 292 7ms 1 Sep 2024 First Prev 601–700 of 781 Next Last