The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Mandelbrot 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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 400th neihousaigaai 640 155 102ms 27 Nov 2025 402nd CaedenHarper 🇨🇦 640 205 554ms 10 Oct 2025 403rd CaedenHarper 🇨🇦 629 200 381ms 20 Oct 2025 404th snoozingnewt 🇨🇦 627 284 33ms 30 Oct 2025 405th adoxography 623 159 134ms 7 Jul 2025 406th MeWhenI 🇻🇦 621 154 3,222ms 15 Sep 2025 407th dbut2 🇦🇺 621 242 280ms 15 Jul 2025 408th snoozingnewt 🇨🇦 620 182 61ms 12 Oct 2025 409th albanian-laundromat 618 192 183ms 11 Jul 2025 410th za3k 616 161 261ms 22 Jul 2025 410th vhoulbreque 🇫🇷 616 161 349ms 24 Nov 2025 412th albanian-laundromat 615 194 3,043ms 11 Jul 2025 413th albanian-laundromat 613 191 153ms 11 Jul 2025 414th snoozingnewt 🇨🇦 606 196 90ms 30 Oct 2025 415th lyphyser 604 164 303ms 9 Feb 2025 416th snoozingnewt 🇨🇦 602 144 242ms 30 Oct 2025 417th JunkIce 601 165 313ms 9 Jul 2025 418th Schmitt-Very-Cool 599 219 678ms 2 Oct 2025 419th raceoffer 597 166 205ms 16 Jul 2025 420th snoozingnewt 🇨🇦 594 201 156ms 30 Oct 2025 421st snoozingnewt 🇨🇦 592 216 130ms 30 Oct 2025 422nd snoozingnewt 🇨🇦 591 202 3,125ms 30 Oct 2025 423rd snoozingnewt 🇨🇦 586 141 226ms 20 Oct 2025 424th snoozingnewt 🇨🇦 586 334 599ms 30 Oct 2025 425th snoozingnewt 🇨🇦 579 205 427ms 30 Oct 2025 426th JunkIce 578 165 700ms 15 Jul 2025 427th snoozingnewt 🇨🇦 576 178 158ms 30 Oct 2025 428th travisdoesmath 570 174 146ms 10 Sep 2025 429th kistlerf 🇨🇭 566 175 326ms 30 May 2025 430th albanian-laundromat 566 176 337ms 11 Jul 2025 431st Babafaba 565 169 1,069ms 23 Oct 2025 432nd MeWhenI 🇻🇦 561 793 8ms 5 Jul 2025 433rd albanian-laundromat 558 214 188ms 12 Jul 2025 434th arcpolaris 554 227 383ms 21 days ago 435th kaimarnsmorris 548 181 172ms 13 Jul 2025 436th dokutan 538 398 393ms 13 days ago 437th IISResetMe 526 193 256ms 31 Jul 2025 438th MeWhenI 🇻🇦 526 401 2,210ms 5 Jul 2025 439th msbranicky 520 152 279ms 2 Jul 2025 440th Alex-x90 🇺🇸 519 191 349ms 1 Jul 2025 440th RaBa21 🇭🇺 519 191 93ms 19 Jul 2025 442nd snoozingnewt 🇨🇦 519 229 127ms 30 Oct 2025 443rd snoozingnewt 🇨🇦 517 331 209ms 30 Oct 2025 444th MeWhenI 🇻🇦 515 4,796 6ms 20 Jun 2025 445th snoozingnewt 🇨🇦 511 262 1,479ms 30 Oct 2025 446th snoozingnewt 🇨🇦 508 197 46ms 11 Oct 2025 447th albanian-laundromat 508 229 84ms 11 Jul 2025 448th snoozingnewt 🇨🇦 491 259 311ms 30 Oct 2025 449th dokutan 484 293 62ms 13 days ago 450th msbranicky 477 208 148ms 1 Jul 2025 451st dokutan 476 307 95ms 13 days ago 452nd dokutan 466 452 3ms 30 Jun 2025 453rd dee22 465 215 36ms 30 Jun 2025 454th snoozingnewt 🇨🇦 460 202 128ms 30 Oct 2025 455th allen-brandon 459 216 191ms 28 Jul 2025 456th typeswitch-dev 🇵🇹 456 347 3ms 22 Aug 2025 457th FortuiteMan 🇫🇷 455 218 85ms 3 Jul 2025 458th dokutan 443 224 147ms 15 Jul 2025 458th jameswmccarty 443 224 145ms 20 Jul 2025 458th cthierfelder 🇲🇨 443 224 495ms 6 Sep 2025 461st dokutan 440 632 14ms 30 Jun 2025 462nd snoozingnewt 🇨🇦 429 290 97ms 30 Oct 2025 463rd dokutan 428 223 699ms 16 Jul 2025 464th snoozingnewt 🇨🇦 425 186 332ms 30 Oct 2025 465th Upload-and-View 🇺🇦 418 284 123ms 24 Jul 2025 466th brimstonetrader 395 251 158ms 20 Jul 2025 467th stefangimmillaro 394 535 3ms 12 Jul 2025 468th KatieLG 🇬🇧 382 578 1ms 6 Jul 2025 469th snoozingnewt 🇨🇦 381 307 107ms 30 Oct 2025 470th Upload-and-View 🇺🇦 380 261 157ms 24 Jul 2025 471st KatieLG 🇬🇧 378 566 468ms 6 Jul 2025 472nd BlankSpruce 375 317 60ms 7 Jul 2025 473rd dokutan 373 593 2ms 30 Jun 2025 474th MeWhenI 🇻🇦 371 596 2ms 20 Jun 2025 475th dokutan 370 406 239ms 13 days ago 476th UnderKoen 🇳🇱 370 597 2ms 1 Jul 2025 477th dokutan 368 410 255ms 30 Jun 2025 478th JOrE20 🇺🇸 367 602 2ms 21 days ago 479th snoozingnewt 🇨🇦 364 319 59ms 19 days ago 480th dokutan 359 373 1,381ms 30 Jun 2025 First Prev 401–480 of 931 Next Last