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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 601st dokutan 604 147 461ms 3 Nov 2024 602nd dokutan 603 76 1,640ms 3 Sep 2024 603rd emgordon154 602 128 12ms 20 Mar 2026 604th ComputerKWasTaken 🇺🇸 601 104 11ms 2 Sep 2024 604th elgan65536 🇺🇸 601 104 11ms 23 Sep 2024 604th NickTheEASDude 🇺🇸 601 104 10ms 7 Oct 2025 607th scpchicken 🇵🇼 601 118 11ms 4 days ago 608th inventshah 601 150 2ms 1 Sep 2024 609th BREMAUCY 🇫🇷 601 316 12ms 7 Aug 2025 610th mousetail 🇳🇱 599 105 5ms 3 Sep 2024 611th h3ra993huskp 🇯🇵 599 163 475ms 30 Nov 2025 612th Shanethegamer 🇺🇸 599 177 44ms 4 Sep 2024 613th CaedenHarper 🇨🇦 596 149 445ms 16 Oct 2025 614th KatieLG 🇬🇧 595 77 1,602ms 1 Sep 2024 615th KatieLG 🇬🇧 591 135 103ms 21 Nov 2025 616th luuumine 🇫🇷 591 204 211ms 18 Nov 2025 617th msbranicky 590 86 170ms 16 Sep 2024 618th CutSandstone 590 106 12ms 21 Dec 2024 619th DialFrost 🇸🇬 588 107 6ms 1 Sep 2024 620th Shanethegamer 🇺🇸 588 120 6ms 2 Sep 2024 621st cbrt-x 586 151 121ms 11 Sep 2024 622nd galloj 🇨🇿 584 107 11ms 4 Sep 2024 622nd jared-hughes 584 107 12ms 10 Sep 2024 622nd nstearns96 🇬🇧 584 107 11ms 13 Nov 2024 622nd brochmann 🇸🇪 584 107 10ms 16 Oct 2025 626th snoozingnewt 🇨🇦 583 226 326ms 1 Sep 2024 627th muser-logiccpu 🇺🇦 581 119 2ms 23 Jul 2025 628th GeorgeStechman 🇬🇧 581 122 11ms 5 Nov 2024 628th gigaprofisi 🇺🇸 581 122 10ms 10 Aug 2025 630th JesseNoEyes 🇺🇸 579 108 11ms 30 Sep 2024 631st JohandeRuiter 🇳🇱 578 156 2ms 2 Sep 2024 632nd xyangst 577 123 11ms 15 Oct 2024 633rd vhoulbreque 🇫🇷 577 146 182ms 11 Nov 2025 634th RedzGoose 🇦🇺 576 101 402ms 15 Oct 2024 635th dokutan 573 75 763ms 29 Aug 2025 636th Mabeloid 🇳🇴 573 109 11ms 1 Sep 2024 636th MassimoParisi 573 109 12ms 18 Sep 2024 636th klixel 🇨🇦 573 109 10ms 21 Sep 2024 636th NotNoper 573 109 10ms 29 Oct 2024 636th za3k 573 109 10ms 15 Jul 2025 641st dokutan 569 132 3ms 1 Sep 2024 642nd Andrey2001 568 110 14ms 31 Jan 2026 643rd TeodorDyakov 🇧🇬 567 159 2ms 6 Sep 2025 644th emgordon154 566 113 111ms 4 Dec 2025 645th TheZwierzLF 🇵🇱 565 75 39ms 27 Dec 2025 646th aksyristos 563 111 13ms 1 Sep 2024 646th AstroOrbis 563 111 10ms 30 Jun 2025 648th tomh1012 563 126 11ms 18 Sep 2025 649th MostParsingVex 563 160 27ms 30 Sep 2024 650th RedzGoose 🇦🇺 560 145 108ms 9 Sep 2024 651st msbranicky 556 135 3ms 1 Sep 2024 652nd jusaka 550 40 40ms 11 days ago 653rd HumanoidCPU 548 110 132ms 22 Nov 2025 654th Shanethegamer 🇺🇸 544 107 83ms 1 Sep 2024 655th dokutan 544 155 220ms 1 Sep 2024 656th Yewzir 🇧🇪 543 115 11ms 1 Dec 2025 657th jusaka 543 163 132ms 10 days ago 658th scpchicken 🇵🇼 542 69 6ms 4 days ago 659th DialFrost 🇸🇬 542 76 17ms 1 Aug 2025 660th Shanethegamer 🇺🇸 542 206 32ms 4 Sep 2024 661st KatieLG 🇬🇧 540 128 2ms 2 Oct 2025 662nd albanian-laundromat 🇺🇸 540 352 11ms 18 Sep 2025 663rd Shanethegamer 🇺🇸 539 91 22ms 1 Sep 2024 664th LeoCh01 539 116 10ms 1 Sep 2024 665th snoozingnewt 🇨🇦 536 79 47ms 12 Oct 2025 666th Mabeloid 🇳🇴 534 109 569ms 17 Sep 2024 667th Shanethegamer 🇺🇸 534 183 480ms 24 Sep 2025 668th trijin 533 118 5ms 5 Oct 2024 669th emgordon154 531 133 13ms 16 Dec 2024 670th tomh1012 526 169 407ms 17 Sep 2025 671st Zhenyu-Bo 525 119 10ms 1 Aug 2025 671st tomh1012 525 119 10ms 2 Mar 2026 673rd ravnskjaer 🇩🇰 525 186 507ms 15 Dec 2025 674th lhulinsky 521 120 13ms 23 Oct 2024 674th arjunarya1 521 120 10ms 11 Sep 2025 676th jusaka 521 422 1,725ms 11 days ago 677th CaedenHarper 🇨🇦 520 188 461ms 3 Oct 2025 678th error256 516 134 2ms 24 Sep 2024 679th dokutan 513 174 12ms 28 Feb 2026 680th kevinnaviapaiva 512 122 10ms 16 Feb 2025 681st eddvrs 508 123 10ms 29 Sep 2024 682nd Yewzir 🇧🇪 506 115 436ms 1 Dec 2025 683rd dbut2 🇦🇺 505 261 337ms 3 Sep 2024 684th yokasuretsu 504 124 10ms 10 Jul 2025 684th hamilton-bonds 504 124 10ms 24 Jul 2025 686th MeWhenI 🇻🇦 499 86 754ms 15 Sep 2025 687th LukeBridges 🇬🇧 499 142 11ms 3 Sep 2024 688th snoozingnewt 🇨🇦 499 160 111ms 1 Sep 2024 689th MeWhenI 🇻🇦 498 181 2ms 13 Jun 2025 690th nhausspiegel 496 126 13ms 13 Sep 2024 691st rucin93 🇵🇱 494 152 3ms 19 days ago 692nd mateusz-sterczewski 492 86 40ms 15 Jan 2026 693rd matsagad 492 127 10ms 16 Jan 2025 694th madex 🇩🇪 492 183 2ms 2 Sep 2024 695th codewrite 🇬🇧 491 181 492ms 30 Dec 2025 696th xyangst 488 128 11ms 12 Oct 2024 696th 123mjb 488 128 10ms 19 Nov 2025 698th AstroOrbis 487 145 6ms 25 Feb 2026 699th snoozingnewt 🇨🇦 485 120 118ms 14 Oct 2025 700th alphafalfa 484 105 4ms 1 Nov 2024 First Prev 601–700 of 841 Next Last