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PalindromemordnilaP in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Happy Numbers Happy Numbers (Long) Hexdump 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 Maze Medal Tally Morse Decoder Morse Encoder 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Happy Numbers Happy Numbers (Long) Hexdump 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 Maze Medal Tally Morse Decoder Morse Encoder 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 526th dokutan 555 132 1 Sep 2024 527th RedzGoose 🇦🇺 553 145 9 Sep 2024 528th msbranicky 543 135 1 Sep 2024 529th Shanethegamer 🇺🇸 538 107 1 Sep 2024 530th LeoCh01 536 116 1 Sep 2024 531st Shanethegamer 🇺🇸 535 91 1 Sep 2024 532nd Mabeloid 🇳🇴 530 109 17 Sep 2024 533rd trijin 529 118 5 Oct 2024 534th MostParsingVex 528 97 2 Oct 2024 535th yokasuretsu 523 119 13 Jan 2025 536th Misaka18520 520 206 14 Sep 2024 537th lhulinsky 518 120 23 Oct 2024 538th error256 512 134 24 Sep 2024 539th kevinnaviapaiva 510 122 16 Feb 2025 540th DialFrost 🇸🇬 509 235 27 May 2025 541st eddvrs 506 123 29 Sep 2024 542nd madex 🇩🇪 502 84 1 Sep 2024 543rd rboath 501 159 18 Dec 2024 544th dbut2 🇦🇺 500 261 3 Sep 2024 545th Jacob385 498 240 4 Sep 2024 546th LukeBridges 🇬🇧 497 142 3 Sep 2024 547th nhausspiegel 494 126 13 Sep 2024 548th MeWhenI 🇻🇦 493 181 17 days ago 549th matsagad 490 127 16 Jan 2025 550th snoozingnewt 🇺🇸 490 160 1 Sep 2024 551st madex 🇩🇪 488 183 2 Sep 2024 552nd rucin93 🇵🇱 487 251 5 Sep 2024 553rd xyangst 486 128 12 Oct 2024 554th janAkali 🇷🇺 475 171 17 May 2025 555th KatieLG 🇬🇧 475 292 1 Sep 2024 556th junkondo-jp 474 149 15 Dec 2024 557th alphafalfa 472 105 1 Nov 2024 558th AstroOrbis 464 134 a min ago 559th R4z0rX 464 152 1 Sep 2024 560th Stockoh 🇫🇷 454 137 17 Oct 2024 561st msbranicky 454 269 1 Sep 2024 562nd two-bad 🇬🇧 453 156 4 Oct 2024 563rd brimstonetrader 451 138 17 Oct 2024 564th acollett89 447 158 4 hours ago 565th snoozingnewt 🇺🇸 442 180 1 Sep 2024 566th Shanethegamer 🇺🇸 431 115 1 Sep 2024 567th ehulinsky 🇺🇸 430 122 3 Apr 2025 568th aksyristos 418 101 17 Nov 2024 569th LostSyntax21 🇬🇧 418 149 2 Sep 2024 570th MeWhenI 🇻🇦 412 260 17 days ago 571st bac0id 403 266 10 Jan 2025 572nd HunterC14 401 155 21 Oct 2024 573rd zakariamouhid 397 178 14 Sep 2024 574th galloj 🇨🇿 396 101 4 Sep 2024 575th dokutan 395 155 1 Sep 2024 576th snoozingnewt 🇺🇸 384 110 1 Sep 2024 577th Apzyte-Gamer 377 165 28 Oct 2024 578th CyberTapir 368 169 1 Sep 2024 579th IISResetMe 366 127 17 Nov 2024 580th MeWhenI 🇻🇦 363 135 26 Sep 2024 581st Giantnoodlemonster 363 246 27 Sep 2024 582nd snoozingnewt 🇺🇸 361 227 1 Sep 2024 583rd rollershutter 353 176 18 Nov 2024 584th snoozingnewt 🇺🇸 329 186 1 Sep 2024 585th bidger 324 369 20 Sep 2024 586th mathisfun271 319 195 3 Oct 2024 587th nephila-nacrea 🇬🇧 283 132 4 Sep 2024 588th AidanWalter 281 221 3 Jan 2025 589th snoozingnewt 🇺🇸 276 209 1 Sep 2024 590th KatieLG 🇬🇧 266 460 15 Sep 2024 591st KatieLG 🇬🇧 262 459 15 Sep 2024 592nd timhaj 🇸🇮 260 239 19 Sep 2024 593rd snoozingnewt 🇺🇸 239 448 1 Sep 2024 594th KatieLG 🇬🇧 200 401 15 Sep 2024 595th KatieLG 🇬🇧 190 398 15 Sep 2024 596th snoozingnewt 🇺🇸 183 487 1 Sep 2024 597th KatieLG 🇬🇧 170 768 15 Sep 2024 598th KatieLG 🇬🇧 128 937 15 Sep 2024 599th KatieLG 🇬🇧 112 466 15 Sep 2024 600th Msleizak 🇫🇷 110 424 7 Feb 2025 Prev 526–600 of 617 Next