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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 599th NickTheEASDude 🇺🇸 601 104 10ms 7 Oct 2025 602nd scpchicken 🇵🇼 601 118 11ms 4 days ago 603rd inventshah 599 150 2ms 1 Sep 2024 604th h3ra993huskp 🇯🇵 598 163 475ms 30 Nov 2025 605th mousetail 🇳🇱 597 105 5ms 3 Sep 2024 606th emgordon154 597 128 12ms 20 Mar 2026 607th CaedenHarper 🇨🇦 595 149 445ms 16 Oct 2025 608th Shanethegamer 🇺🇸 595 177 44ms 4 Sep 2024 609th KatieLG 🇬🇧 594 77 1,602ms 1 Sep 2024 610th BREMAUCY 🇫🇷 594 316 12ms 7 Aug 2025 611th luuumine 🇫🇷 590 204 211ms 18 Nov 2025 612th msbranicky 589 86 170ms 16 Sep 2024 613th CutSandstone 589 106 12ms 21 Dec 2024 614th KatieLG 🇬🇧 589 135 103ms 21 Nov 2025 615th DialFrost 🇸🇬 586 107 6ms 1 Sep 2024 616th Shanethegamer 🇺🇸 586 120 6ms 2 Sep 2024 617th cbrt-x 585 151 121ms 11 Sep 2024 618th galloj 🇨🇿 584 107 11ms 4 Sep 2024 618th jared-hughes 584 107 12ms 10 Sep 2024 618th nstearns96 🇬🇧 584 107 11ms 13 Nov 2024 618th brochmann 🇸🇪 584 107 10ms 16 Oct 2025 622nd snoozingnewt 🇨🇦 582 226 326ms 1 Sep 2024 623rd GeorgeStechman 🇬🇧 581 122 11ms 5 Nov 2024 623rd gigaprofisi 🇺🇸 581 122 10ms 10 Aug 2025 625th muser-logiccpu 🇺🇦 580 119 2ms 23 Jul 2025 626th JesseNoEyes 🇺🇸 579 108 11ms 30 Sep 2024 627th RedzGoose 🇦🇺 576 101 402ms 15 Oct 2024 628th xyangst 576 123 11ms 15 Oct 2024 629th JohandeRuiter 🇳🇱 576 156 2ms 2 Sep 2024 630th Mabeloid 🇳🇴 573 109 11ms 1 Sep 2024 630th MassimoParisi 573 109 12ms 18 Sep 2024 630th klixel 🇨🇦 573 109 10ms 21 Sep 2024 630th NotNoper 573 109 10ms 29 Oct 2024 630th za3k 573 109 10ms 15 Jul 2025 635th vhoulbreque 🇫🇷 573 146 182ms 11 Nov 2025 636th dokutan 571 75 742ms 29 Aug 2025 637th Andrey2001 568 110 14ms 31 Jan 2026 638th dokutan 565 132 3ms 1 Sep 2024 639th TeodorDyakov 🇧🇬 565 159 2ms 6 Sep 2025 640th TheZwierzLF 🇵🇱 564 75 39ms 27 Dec 2025 641st aksyristos 563 111 13ms 1 Sep 2024 641st AstroOrbis 563 111 10ms 30 Jun 2025 643rd emgordon154 563 113 111ms 4 Dec 2025 644th tomh1012 563 126 11ms 18 Sep 2025 645th MostParsingVex 562 160 27ms 30 Sep 2024 646th RedzGoose 🇦🇺 557 145 108ms 9 Sep 2024 647th msbranicky 552 135 3ms 1 Sep 2024 648th HumanoidCPU 547 110 132ms 22 Nov 2025 649th Yewzir 🇧🇪 543 115 11ms 1 Dec 2025 650th scpchicken 🇵🇼 542 69 6ms 4 days ago 651st Shanethegamer 🇺🇸 541 107 83ms 1 Sep 2024 652nd DialFrost 🇸🇬 539 76 17ms 1 Aug 2025 653rd LeoCh01 539 116 10ms 1 Sep 2024 654th KatieLG 🇬🇧 539 128 2ms 2 Oct 2025 655th dokutan 539 155 220ms 1 Sep 2024 656th Shanethegamer 🇺🇸 538 91 22ms 1 Sep 2024 657th snoozingnewt 🇨🇦 536 79 47ms 12 Oct 2025 658th Shanethegamer 🇺🇸 536 206 32ms 4 Sep 2024 659th Mabeloid 🇳🇴 534 109 569ms 17 Sep 2024 660th Shanethegamer 🇺🇸 533 183 480ms 24 Sep 2025 661st albanian-laundromat 🇺🇸 533 352 11ms 18 Sep 2025 662nd trijin 532 118 5ms 5 Oct 2024 663rd emgordon154 529 133 13ms 16 Dec 2024 664th Zhenyu-Bo 525 119 10ms 1 Aug 2025 664th tomh1012 525 119 10ms 2 Mar 2026 666th tomh1012 525 169 407ms 17 Sep 2025 667th ravnskjaer 🇩🇰 524 186 507ms 15 Dec 2025 668th lhulinsky 521 120 13ms 23 Oct 2024 668th arjunarya1 521 120 10ms 11 Sep 2025 670th CaedenHarper 🇨🇦 519 188 461ms 3 Oct 2025 671st error256 515 134 2ms 24 Sep 2024 672nd kevinnaviapaiva 512 122 10ms 16 Feb 2025 673rd eddvrs 508 123 10ms 29 Sep 2024 674th dokutan 507 174 12ms 28 Feb 2026 675th Yewzir 🇧🇪 506 115 436ms 1 Dec 2025 676th yokasuretsu 504 124 10ms 10 Jul 2025 676th hamilton-bonds 504 124 10ms 24 Jul 2025 678th dbut2 🇦🇺 504 261 337ms 3 Sep 2024 679th LukeBridges 🇬🇧 499 142 11ms 3 Sep 2024 680th MeWhenI 🇻🇦 498 86 728ms 15 Sep 2025 681st snoozingnewt 🇨🇦 497 160 111ms 1 Sep 2024 682nd MeWhenI 🇻🇦 497 181 2ms 13 Jun 2025 683rd nhausspiegel 496 126 13ms 13 Sep 2024 684th mateusz-sterczewski 492 86 40ms 15 Jan 2026 685th matsagad 492 127 10ms 16 Jan 2025 686th rucin93 🇵🇱 491 152 3ms 20 days ago 687th madex 🇩🇪 491 183 2ms 2 Sep 2024 688th codewrite 🇬🇧 490 181 492ms 30 Dec 2025 689th xyangst 488 128 11ms 12 Oct 2024 689th 123mjb 488 128 10ms 19 Nov 2025 691st AstroOrbis 485 145 6ms 25 Feb 2026 692nd snoozingnewt 🇨🇦 483 120 118ms 14 Oct 2025 693rd alphafalfa 480 105 4ms 1 Nov 2024 694th snoozingnewt 🇨🇦 479 185 420ms 4 Oct 2025 695th rucin93 🇵🇱 479 251 232ms 5 Sep 2024 696th junkondo-jp 476 149 10ms 15 Dec 2024 697th snoozingnewt 🇨🇦 476 189 2ms 9 Oct 2025 698th KatieLG 🇬🇧 475 292 7ms 1 Sep 2024 699th DialFrost 🇸🇬 471 207 455ms 24 Sep 2025 700th rboath 470 159 105ms 18 Dec 2024 First Prev 601–700 of 779 Next Last