The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Mandelbrot in all languages in chars. 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 Chars Time Submitted 481st dokutan 344 333 2ms 30 Jun 2025 482nd dokutan 344 432 16ms 30 Jun 2025 483rd dokutan 342 290 5ms 30 Jun 2025 484th jameswmccarty 335 220 145ms 20 Jul 2025 485th dokutan 335 368 105ms 30 Jun 2025 486th dokutan 332 345 269ms 30 Jun 2025 487th dokutan 330 208 33ms 30 Jun 2025 488th cthierfelder 🇲🇨 329 224 495ms 6 Sep 2025 489th dokutan 329 529 111ms 3 Jul 2025 490th dokutan 327 227 78ms 30 Jun 2025 491st MeWhenI 🇻🇦 326 643 492ms 20 Jun 2025 492nd dokutan 325 359 4,629ms 30 Jun 2025 493rd dokutan 324 372 373ms 30 Jun 2025 494th dokutan 323 349 41ms 30 Jun 2025 495th dokutan 322 379 6ms 30 Jun 2025 496th dokutan 322 394 457ms 24 Sep 2025 497th dokutan 319 358 117ms 30 Jun 2025 498th dokutan 315 426 643ms 30 Jun 2025 499th dokutan 302 514 226ms 30 Jun 2025 500th dokutan 300 383 484ms 7 Nov 2025 501st Andrey-Plotnikov 299 300 9ms 30 Sep 2025 502nd brimstonetrader 298 247 158ms 20 Jul 2025 503rd dokutan 298 258 255ms 30 Jun 2025 504th dokutan 298 342 2ms 30 Jun 2025 505th dokutan 290 357 4ms 30 Jun 2025 506th Upload-and-View 🇺🇦 287 257 157ms 24 Jul 2025 507th dokutan 276 324 9ms 30 Jun 2025 508th JOrE20 🇺🇸 268 334 9ms 6 Nov 2025 509th KatieLG 🇬🇧 267 449 7ms 27 Apr 2025 510th MeWhenI 🇻🇦 267 626 28ms 1 Jul 2025 511th MeWhenI 🇻🇦 265 561 16ms 20 Jun 2025 512th MeWhenI 🇻🇦 265 585 212ms 20 Jun 2025 513th JOrE20 🇺🇸 260 596 99ms 26 days ago 514th dokutan 258 273 618ms 30 Jun 2025 515th JOrE20 🇺🇸 256 680 32ms 26 days ago 516th KatieLG 🇬🇧 253 580 202ms 21 days ago 517th Zhenyu-Bo 251 293 92ms 31 Jul 2025 518th dokutan 246 341 964ms 30 Jun 2025 519th dokutan 243 484 1,341ms 3 Jul 2025 520th MeWhenI 🇻🇦 241 721 68ms 20 Jun 2025 521st KatieLG 🇬🇧 228 569 1,256ms 21 days ago 522nd KatieLG 🇬🇧 227 519 22ms 21 days ago 523rd dokutan 223 861 1,657ms 21 Oct 2025 524th JOrE20 🇺🇸 216 544 27ms 26 days ago 525th KatieLG 🇬🇧 216 673 265ms 21 days ago 526th MeWhenI 🇻🇦 216 677 232ms 20 Jun 2025 527th vhoulbreque 🇫🇷 214 726 25ms 26 days ago 528th KatieLG 🇬🇧 213 597 379ms 21 days ago 529th KatieLG 🇬🇧 207 563 4,818ms 21 days ago 530th KatieLG 🇬🇧 207 583 351ms 21 days ago 531st KatieLG 🇬🇧 204 606 106ms 21 days ago 532nd KatieLG 🇬🇧 203 563 91ms 21 days ago 533rd KatieLG 🇬🇧 201 570 99ms 21 days ago 534th MeWhenI 🇻🇦 200 769 43ms 1 Jul 2025 535th TheZwierzLF 🇵🇱 199 371 11ms 19 days ago 536th MeWhenI 🇻🇦 199 612 4ms 20 Jun 2025 537th KatieLG 🇬🇧 198 577 279ms 21 days ago 538th MeWhenI 🇻🇦 197 599 76ms 20 Jun 2025 539th MeWhenI 🇻🇦 197 626 99ms 20 Jun 2025 540th MeWhenI 🇻🇦 197 657 1,376ms 20 Jun 2025 541st MeWhenI 🇻🇦 196 642 23ms 20 Jun 2025 542nd dokutan 194 279 2ms 30 Jun 2025 543rd TheZwierzLF 🇵🇱 192 370 1,023ms 10 days ago 544th dokutan 190 518 2ms 30 Jun 2025 545th JOrE20 🇺🇸 190 602 2ms 26 days ago 546th lyphyser 187 613 1,482ms 9 Feb 2025 547th MeWhenI 🇻🇦 187 616 630ms 20 Jun 2025 548th dokutan 186 676 25ms 20 Jul 2025 549th dokutan 184 357 158ms 30 Jun 2025 550th KatieLG 🇬🇧 184 533 2ms 27 Apr 2025 551st KatieLG 🇬🇧 182 486 3ms 21 days ago 552nd dokutan 180 551 137ms 30 Jun 2025 553rd MeWhenI 🇻🇦 179 653 3,823ms 20 Jun 2025 554th MeWhenI 🇻🇦 177 729 3ms 20 Jun 2025 555th dokutan 172 516 3ms 30 Jun 2025 556th dokutan 172 664 72ms 21 Oct 2025 557th KatieLG 🇬🇧 172 781 619ms 21 days ago 558th KatieLG 🇬🇧 171 570 69ms 21 days ago 559th KatieLG 🇬🇧 170 607 5ms 21 days ago 560th dokutan 168 645 2ms 21 Oct 2025 First Prev 481–560 of 923 Next Last