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 Dragon Curve 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 Dragon Curve 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 snoozingnewt 🇨🇦 453 186 8ms 1 Sep 2024 724th msbranicky 448 269 219ms 1 Sep 2024 725th Shanethegamer 🇺🇸 442 115 2ms 1 Sep 2024 726th IISResetMe 440 106 375ms 3 Jan 2026 727th Yax42 🇫🇷 436 224 478ms 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 419 101 43ms 17 Nov 2024 732nd MeWhenI 🇻🇦 412 260 82ms 13 Jun 2025 733rd amazingalek 🇳🇴 411 216 453ms 26 Jan 2026 734th jusaka 403 222 10ms 9 days ago 735th bac0id 403 266 2,930ms 10 Jan 2025 736th zakariamouhid 398 178 12ms 14 Sep 2024 737th galloj 🇨🇿 396 101 12ms 4 Sep 2024 738th varhammer 381 235 9ms 20 Oct 2025 739th Yewzir 🇧🇪 371 171 642ms 1 Dec 2025 740th nemoyatpeace 368 208 10ms 16 Jan 2026 741st Mikey-Beep 🇬🇧 367 187 16ms 5 days ago 742nd Giantnoodlemonster 366 246 2ms 27 Sep 2024 743rd MeWhenI 🇻🇦 363 135 7ms 26 Sep 2024 744th jusaka 362 233 9ms 9 days ago 745th AidanWalter 347 221 11ms 3 Jan 2025 746th jusaka 337 227 6ms 9 days ago 747th Imsmelkov 328 298 609ms 22 Jan 2026 748th jusaka 324 193 2,599ms 9 days ago 749th timhaj 🇸🇮 321 239 11ms 19 Sep 2024 750th jusaka 318 238 61ms 9 days ago 751st jusaka 314 162 2ms 8 days ago 752nd jusaka 312 147 1,616ms 9 days ago 753rd dokutan 311 261 151ms 27 Feb 2026 754th snoozingnewt 🇨🇦 310 209 116ms 1 Sep 2024 755th jusaka 306 290 486ms 9 days ago 756th Jonson26 301 325 452ms 5 days ago 757th dokutan 297 396 1,567ms 27 Feb 2026 758th jusaka 287 183 221ms 9 days ago 759th jusaka 285 316 2ms 9 days ago 760th nephila-nacrea 🇬🇧 284 132 4ms 4 Sep 2024 761st jusaka 279 291 89ms 9 days ago 762nd jusaka 275 280 4ms 9 days ago 763rd jusaka 274 481 329ms 9 days ago 764th jusaka 267 184 59ms 9 days ago 765th bidger 265 369 465ms 20 Sep 2024 766th KatieLG 🇬🇧 262 460 206ms 15 Sep 2024 767th jusaka 260 204 4ms 8 days ago 768th jusaka 260 264 16ms 8 days ago 769th jusaka 259 243 5ms 9 days ago 770th jusaka 259 250 83ms 9 days ago 771st jusaka 258 190 11ms 9 days ago 772nd dokutan 257 380 422ms 27 Feb 2026 773rd KatieLG 🇬🇧 256 459 1,595ms 15 Sep 2024 774th jusaka 252 375 194ms 9 days ago 775th jusaka 249 683 1,224ms 9 days ago 776th jusaka 245 500 30ms 9 days ago 777th snoozingnewt 🇨🇦 241 444 1,455ms 6 Oct 2025 778th jusaka 237 179 36ms 9 days ago 779th jusaka 229 354 198ms 9 days ago 780th jusaka 228 356 518ms 9 days ago 781st dokutan 228 579 320ms 27 Feb 2026 782nd dokutan 222 283 5ms 27 Feb 2026 783rd jusaka 221 137 34ms 8 days ago 784th jusaka 221 281 155ms 9 days ago 785th jusaka 218 214 283ms 8 days ago 786th jusaka 218 366 111ms 9 days ago 787th jusaka 215 547 1,472ms 9 days ago 788th jusaka 214 332 10ms 9 days ago 789th dokutan 211 449 174ms 27 Feb 2026 790th jusaka 208 390 113ms 9 days ago 791st jusaka 207 916 13ms 8 days ago 792nd KatieLG 🇬🇧 202 401 198ms 15 Sep 2024 793rd jusaka 195 190 123ms 9 days ago 794th jusaka 193 194 3ms 9 days ago 795th jusaka 192 334 100ms 9 days ago 796th KatieLG 🇬🇧 192 398 7ms 15 Sep 2024 797th jusaka 190 586 34ms 9 days ago 798th jusaka 186 569 39ms 9 days ago 799th jusaka 186 754 6ms 9 days ago 800th jusaka 184 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