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 Yewzir 🇧🇪 428 179 12ms 1 Dec 2025 722nd aksyristos 420 101 37ms 17 Nov 2024 723rd MeWhenI 🇻🇦 412 260 77ms 13 Jun 2025 724th amazingalek 🇳🇴 411 216 450ms 26 Jan 2026 725th Jacob385 407 240 393ms 4 Sep 2024 726th bac0id 403 266 2,913ms 10 Jan 2025 727th zakariamouhid 398 178 11ms 14 Sep 2024 728th galloj 🇨🇿 396 101 10ms 4 Sep 2024 729th varhammer 379 235 9ms 20 Oct 2025 730th flekAI 377 114 799ms 2 days ago 731st Yewzir 🇧🇪 371 171 642ms 1 Dec 2025 732nd nemoyatpeace 368 208 10ms 16 Jan 2026 733rd Giantnoodlemonster 366 246 2ms 27 Sep 2024 734th MeWhenI 🇻🇦 363 135 7ms 26 Sep 2024 735th Mikey-Beep 🇬🇧 354 193 15ms 13 Aug 2025 736th flekAI 353 374 292ms 2 days ago 737th flekAI 352 149 213ms 2 days ago 738th AidanWalter 347 221 11ms 3 Jan 2025 739th flekAI 342 184 5ms 2 days ago 740th flekAI 334 243 198ms 2 days ago 741st flekAI 328 233 9ms 2 days ago 742nd flekAI 328 289 245ms 2 days ago 743rd Imsmelkov 328 298 448ms 22 Jan 2026 744th flekAI 326 249 108ms 2 days ago 745th timhaj 🇸🇮 320 239 11ms 19 Sep 2024 746th flekAI 312 147 1,244ms 2 days ago 747th dokutan 311 261 128ms 27 Feb 2026 748th snoozingnewt 🇨🇦 310 209 116ms 1 Sep 2024 749th flekAI 308 317 363ms 2 days ago 750th flekAI 307 349 74ms 2 days ago 751st dokutan 297 396 1,328ms 27 Feb 2026 752nd flekAI 296 125 114ms 2 days ago 753rd flekAI 289 280 94ms 2 days ago 754th flekAI 289 307 472ms 2 days ago 755th nephila-nacrea 🇬🇧 284 132 4ms 4 Sep 2024 756th flekAI 277 463 44ms 2 days ago 757th flekAI 271 295 733ms 2 days ago 758th flekAI 270 301 393ms 2 days ago 759th flekAI 268 456 30ms 2 days ago 760th flekAI 266 141 3ms 2 days ago 761st bidger 265 369 410ms 20 Sep 2024 762nd flekAI 263 343 3ms 2 days ago 763rd KatieLG 🇬🇧 262 460 207ms 15 Sep 2024 764th dokutan 257 380 381ms 27 Feb 2026 765th KatieLG 🇬🇧 256 459 1,374ms 15 Sep 2024 766th flekAI 248 311 4ms 2 days ago 767th snoozingnewt 🇨🇦 241 444 1,494ms 6 Oct 2025 768th jusaka 237 179 37ms 4 mins ago 769th flekAI 235 294 2ms 2 days ago 770th dokutan 228 579 320ms 27 Feb 2026 771st flekAI 225 288 119ms 2 days ago 772nd dokutan 222 283 5ms 27 Feb 2026 773rd flekAI 221 381 10ms 2 days ago 774th jusaka 214 332 10ms a min ago 775th dokutan 211 449 174ms 27 Feb 2026 776th KatieLG 🇬🇧 202 401 198ms 15 Sep 2024 777th jusaka 193 194 3ms 48 mins ago 778th KatieLG 🇬🇧 192 398 8ms 15 Sep 2024 779th flekAI 172 618 46ms 2 days ago 780th KatieLG 🇬🇧 172 768 340ms 15 Sep 2024 781st KatieLG 🇬🇧 113 466 3ms 15 Sep 2024 782nd Msleizak 🇫🇷 110 424 248ms 7 Feb 2025 783rd KatieLG 🇬🇧 104 937 443ms 15 Sep 2024 784th KatieLG 🇬🇧 86 1,032 427ms 15 Sep 2024 785th dokutan 64 1,663 76ms 23 Apr 2025 786th dokutan 54 1,663 2ms 23 Apr 2025 787th CaedenHarper 🇨🇦 35 3,645 103ms 5 Mar 2026 788th darrenks 🇺🇸 0 10 45ms 19 Apr 2025 788th lyphyser 0 10 46ms 25 May 2025 790th 2bular 0 11 29ms 23 Mar 2025 790th Natanaelel 🇸🇪 0 11 27ms 25 Mar 2025 790th plcc0 0 11 27ms 5 May 2025 793rd kg583 🇺🇸 0 14 206ms 12 Apr 2025 794th lyxal 🇦🇺 0 19 753ms 17 May 2025 795th plcc0 0 20 660ms 20 Mar 2025 796th namelessiw 0 21 158ms 5 Nov 2025 797th GolfingSuccess 🇬🇷 0 28 108ms 13 Aug 2025 798th AlephSquirrel 0 49 4ms 1 Jul 2025 799th KatieLG 🇬🇧 0 50 4ms 9 Feb 2025 799th Shanethegamer 🇺🇸 0 50 3ms 29 May 2025 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