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 Shanethegamer 🇺🇸 454 141 110ms 4 Dec 2025 722nd CyberTapir 453 169 10ms 1 Sep 2024 723rd msbranicky 449 269 242ms 1 Sep 2024 724th flekAI 443 273 183ms 3 days ago 725th Shanethegamer 🇺🇸 442 115 2ms 1 Sep 2024 726th IISResetMe 440 106 406ms 3 Jan 2026 727th Yax42 🇫🇷 436 224 471ms 5 Oct 2025 728th ehulinsky 🇺🇸 435 122 3ms 3 Apr 2025 729th rollershutter 435 176 11ms 18 Nov 2024 730th Yewzir 🇧🇪 428 179 12ms 1 Dec 2025 731st aksyristos 420 101 37ms 17 Nov 2024 732nd MeWhenI 🇻🇦 413 260 77ms 13 Jun 2025 733rd amazingalek 🇳🇴 412 216 494ms 26 Jan 2026 734th Jacob385 407 240 393ms 4 Sep 2024 735th bac0id 404 266 2,913ms 10 Jan 2025 736th jusaka 403 222 10ms 23 hours ago 737th zakariamouhid 398 178 13ms 14 Sep 2024 738th galloj 🇨🇿 396 101 10ms 4 Sep 2024 739th varhammer 381 235 9ms 20 Oct 2025 740th flekAI 378 114 799ms 3 days ago 741st Yewzir 🇧🇪 372 171 642ms 1 Dec 2025 742nd nemoyatpeace 368 208 10ms 16 Jan 2026 743rd Giantnoodlemonster 367 246 2ms 27 Sep 2024 744th jusaka 364 233 9ms 24 hours ago 745th MeWhenI 🇻🇦 363 135 7ms 26 Sep 2024 746th Mikey-Beep 🇬🇧 356 193 15ms 13 Aug 2025 747th flekAI 354 374 292ms 3 days ago 748th flekAI 353 149 203ms 3 days ago 749th AidanWalter 347 221 11ms 3 Jan 2025 750th flekAI 342 184 5ms 3 days ago 751st jusaka 338 227 8ms 26 hours ago 752nd flekAI 336 243 198ms 3 days ago 753rd flekAI 330 289 245ms 3 days ago 754th flekAI 329 233 8ms 3 days ago 755th flekAI 328 249 108ms 3 days ago 756th Imsmelkov 328 298 448ms 22 Jan 2026 757th jusaka 324 193 2,290ms 27 hours ago 758th timhaj 🇸🇮 321 239 11ms 19 Sep 2024 759th jusaka 318 238 61ms 11 hours ago 760th jusaka 314 162 2ms 4 hours ago 761st dokutan 313 261 128ms 27 Feb 2026 762nd flekAI 312 147 1,244ms 3 days ago 762nd jusaka 312 147 1,390ms 26 hours ago 764th snoozingnewt 🇨🇦 311 209 116ms 1 Sep 2024 765th flekAI 308 317 363ms 3 days ago 766th flekAI 308 349 74ms 3 days ago 767th jusaka 307 290 461ms 26 hours ago 768th dokutan 298 396 1,493ms 27 Feb 2026 769th flekAI 297 125 114ms 3 days ago 770th flekAI 291 280 94ms 3 days ago 771st flekAI 290 307 492ms 3 days ago 772nd jusaka 287 183 229ms 26 hours ago 773rd jusaka 286 316 2ms 27 hours ago 774th nephila-nacrea 🇬🇧 284 132 4ms 4 Sep 2024 775th jusaka 280 291 89ms 26 hours ago 776th flekAI 280 463 44ms 3 days ago 777th jusaka 277 280 4ms 23 hours ago 778th jusaka 275 481 349ms 27 hours ago 779th flekAI 271 295 733ms 3 days ago 780th flekAI 271 301 393ms 3 days ago 781st flekAI 270 456 30ms 3 days ago 782nd jusaka 267 184 59ms 7 hours ago 783rd flekAI 266 141 3ms 3 days ago 784th bidger 265 369 410ms 20 Sep 2024 785th flekAI 263 343 3ms 3 days ago 786th KatieLG 🇬🇧 263 460 207ms 15 Sep 2024 787th jusaka 260 204 4ms 5 hours ago 788th jusaka 260 250 99ms 26 hours ago 789th jusaka 260 264 17ms 5 hours ago 790th jusaka 259 243 5ms 26 hours ago 791st jusaka 258 190 11ms 22 hours ago 792nd dokutan 257 380 381ms 27 Feb 2026 793rd KatieLG 🇬🇧 257 459 1,404ms 15 Sep 2024 794th jusaka 254 375 194ms 25 hours ago 795th flekAI 249 311 4ms 3 days ago 796th jusaka 249 683 1,466ms 25 hours ago 797th jusaka 246 500 30ms 24 hours ago 798th snoozingnewt 🇨🇦 242 444 1,494ms 6 Oct 2025 799th jusaka 237 179 37ms 28 hours ago 800th flekAI 236 294 2ms 3 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