PalindromemordnilaP in all languages in bytes. 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Bytes Time Submitted 721st two-bad 🇬🇧 455 156 11ms 4 Oct 2024 722nd Shanethegamer 🇺🇸 454 141 110ms 4 Dec 2025 723rd CyberTapir 453 169 10ms 1 Sep 2024 724th msbranicky 449 269 235ms 1 Sep 2024 725th flekAI 443 273 190ms 4 days ago 726th Shanethegamer 🇺🇸 442 115 2ms 1 Sep 2024 727th IISResetMe 440 106 406ms 3 Jan 2026 728th Yax42 🇫🇷 436 224 471ms 5 Oct 2025 729th ehulinsky 🇺🇸 435 122 3ms 3 Apr 2025 730th rollershutter 435 176 11ms 18 Nov 2024 731st Yewzir 🇧🇪 428 179 12ms 1 Dec 2025 732nd aksyristos 420 101 37ms 17 Nov 2024 733rd MeWhenI 🇻🇦 413 260 77ms 13 Jun 2025 734th amazingalek 🇳🇴 412 216 494ms 26 Jan 2026 735th Jacob385 407 240 393ms 4 Sep 2024 736th bac0id 404 266 2,913ms 10 Jan 2025 737th jusaka 403 222 10ms 44 hours ago 738th zakariamouhid 398 178 13ms 14 Sep 2024 739th galloj 🇨🇿 396 101 10ms 4 Sep 2024 740th varhammer 381 235 9ms 20 Oct 2025 741st flekAI 378 114 799ms 4 days ago 742nd Yewzir 🇧🇪 372 171 642ms 1 Dec 2025 743rd nemoyatpeace 368 208 10ms 16 Jan 2026 744th Giantnoodlemonster 367 246 2ms 27 Sep 2024 745th jusaka 364 233 9ms 44 hours ago 746th MeWhenI 🇻🇦 363 135 7ms 26 Sep 2024 747th Mikey-Beep 🇬🇧 356 193 15ms 13 Aug 2025 748th flekAI 354 374 292ms 4 days ago 749th flekAI 353 149 203ms 4 days ago 750th AidanWalter 347 221 11ms 3 Jan 2025 751st flekAI 342 184 5ms 4 days ago 752nd jusaka 338 227 8ms 47 hours ago 753rd flekAI 336 243 198ms 4 days ago 754th flekAI 330 289 245ms 4 days ago 755th flekAI 329 233 8ms 4 days ago 756th flekAI 328 249 120ms 4 days ago 757th Imsmelkov 328 298 448ms 22 Jan 2026 758th jusaka 324 193 2,290ms 47 hours ago 759th timhaj 🇸🇮 321 239 11ms 19 Sep 2024 760th jusaka 318 238 61ms 32 hours ago 761st jusaka 314 162 2ms 25 hours ago 762nd dokutan 313 261 168ms 27 Feb 2026 763rd flekAI 312 147 1,493ms 4 days ago 763rd jusaka 312 147 1,616ms 47 hours ago 765th snoozingnewt 🇨🇦 311 209 116ms 1 Sep 2024 766th flekAI 308 317 363ms 4 days ago 767th flekAI 308 349 74ms 4 days ago 768th jusaka 307 290 461ms 47 hours ago 769th dokutan 298 396 1,493ms 27 Feb 2026 770th flekAI 297 125 114ms 4 days ago 771st flekAI 291 280 94ms 4 days ago 772nd flekAI 290 307 492ms 4 days ago 773rd jusaka 287 183 229ms 47 hours ago 774th jusaka 286 316 2ms 2 days ago 775th nephila-nacrea 🇬🇧 284 132 4ms 4 Sep 2024 776th jusaka 280 291 89ms 47 hours ago 777th flekAI 280 463 44ms 4 days ago 778th jusaka 277 280 4ms 44 hours ago 779th jusaka 275 481 349ms 2 days ago 780th flekAI 271 295 824ms 4 days ago 781st flekAI 271 301 393ms 4 days ago 782nd flekAI 270 456 30ms 4 days ago 783rd jusaka 267 184 59ms 28 hours ago 784th flekAI 266 141 3ms 4 days ago 785th bidger 265 369 410ms 20 Sep 2024 786th flekAI 263 343 3ms 4 days ago 787th KatieLG 🇬🇧 263 460 206ms 15 Sep 2024 788th jusaka 260 204 4ms 25 hours ago 789th jusaka 260 250 99ms 47 hours ago 790th jusaka 260 264 17ms 25 hours ago 791st jusaka 259 243 5ms 47 hours ago 792nd jusaka 258 190 11ms 43 hours ago 793rd dokutan 257 380 381ms 27 Feb 2026 794th KatieLG 🇬🇧 257 459 1,404ms 15 Sep 2024 795th jusaka 254 375 194ms 46 hours ago 796th flekAI 249 311 4ms 4 days ago 797th jusaka 249 683 1,531ms 45 hours ago 798th jusaka 246 500 30ms 45 hours ago 799th snoozingnewt 🇨🇦 242 444 1,494ms 6 Oct 2025 800th jusaka 237 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