PalindromemordnilaP in all languages in bytes. 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 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 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 601st snoozingnewt 🇺🇸 492 160 1 Sep 2024 602nd madex 🇩🇪 490 183 2 Sep 2024 603rd Naitzirch 🇳🇱 483 158 3 Jul 2025 604th snoozingnewt 🇺🇸 477 185 6 days ago 605th junkondo-jp 475 149 15 Dec 2024 606th snoozingnewt 🇺🇸 475 189 2 days ago 607th rucin93 🇵🇱 475 251 5 Sep 2024 608th KatieLG 🇬🇧 475 292 1 Sep 2024 609th janAkali 🇷🇺 470 171 17 May 2025 610th R4z0rX 465 152 1 Sep 2024 611th DialFrost 🇸🇬 465 207 17 days ago 612th Apzyte-Gamer 463 165 28 Oct 2024 613th iczelia 🇩🇪 462 194 2 hours ago 614th two-bad 🇬🇧 453 156 4 Oct 2024 615th CyberTapir 452 169 1 Sep 2024 616th ravnskjaer 🇩🇰 450 214 11 Sep 2024 617th snoozingnewt 🇺🇸 447 180 1 Sep 2024 618th msbranicky 443 269 1 Sep 2024 619th rollershutter 434 176 18 Nov 2024 620th ehulinsky 🇺🇸 430 122 3 Apr 2025 621st Yax42 🇫🇷 430 224 6 days ago 622nd aksyristos 418 101 17 Nov 2024 623rd MeWhenI 🇻🇦 412 260 13 Jun 2025 624th bac0id 403 266 10 Jan 2025 625th Jacob385 401 240 4 Sep 2024 626th zakariamouhid 397 178 14 Sep 2024 627th galloj 🇨🇿 396 101 4 Sep 2024 628th dokutan 395 155 1 Sep 2024 629th mathisfun271 392 195 3 Oct 2024 630th snoozingnewt 🇺🇸 384 110 1 Sep 2024 631st Giantnoodlemonster 365 246 27 Sep 2024 632nd IISResetMe 364 127 17 Nov 2024 633rd MeWhenI 🇻🇦 363 135 26 Sep 2024 634th Mikey-Beep 🇬🇧 354 193 13 Aug 2025 635th AidanWalter 346 221 3 Jan 2025 636th snoozingnewt 🇺🇸 329 186 1 Sep 2024 637th timhaj 🇸🇮 320 239 19 Sep 2024 638th snoozingnewt 🇺🇸 307 209 1 Sep 2024 639th nephila-nacrea 🇬🇧 283 132 4 Sep 2024 640th KatieLG 🇬🇧 262 459 15 Sep 2024 641st bidger 261 369 20 Sep 2024 642nd KatieLG 🇬🇧 259 460 15 Sep 2024 643rd snoozingnewt 🇺🇸 241 444 5 days ago 644th KatieLG 🇬🇧 200 401 15 Sep 2024 645th KatieLG 🇬🇧 191 398 15 Sep 2024 646th KatieLG 🇬🇧 171 768 15 Sep 2024 647th KatieLG 🇬🇧 112 466 15 Sep 2024 648th Msleizak 🇫🇷 109 424 7 Feb 2025 649th KatieLG 🇬🇧 103 937 15 Sep 2024 650th KatieLG 🇬🇧 85 1,032 15 Sep 2024 651st dokutan 64 1,663 23 Apr 2025 652nd dokutan 54 1,663 23 Apr 2025 653rd darrenks 0 10 19 Apr 2025 653rd lyphyser 0 10 25 May 2025 655th 2bular 0 11 23 Mar 2025 655th Natanaelel 🇸🇪 0 11 25 Mar 2025 655th plcc0 0 11 5 May 2025 658th kg583 🇺🇸 0 14 12 Apr 2025 659th lyxal 🇦🇺 0 19 17 May 2025 660th plcc0 0 20 20 Mar 2025 661st GolfingSuccess 🇬🇷 0 28 13 Aug 2025 662nd AlephSquirrel 0 49 1 Jul 2025 663rd KatieLG 🇬🇧 0 50 9 Feb 2025 663rd Shanethegamer 🇺🇸 0 50 29 May 2025 665th ovs-code 🇩🇪 0 71 8 Jun 2025 666th GolfingSuccess 🇬🇷 0 75 5 Aug 2025 667th sean-niemann 🇺🇸 0 90 27 Apr 2025 668th edsrzf 🇳🇿 0 135 26 Jun 2025 669th dokutan 0 212 28 Jun 2025 First Prev 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