The Calendar hole will go live in approximately 13 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 344 432 16ms 30 Jun 2025 482nd dokutan 342 290 5ms 30 Jun 2025 483rd jameswmccarty 335 220 145ms 20 Jul 2025 484th dokutan 335 368 105ms 30 Jun 2025 485th dokutan 332 345 269ms 30 Jun 2025 486th dokutan 329 208 33ms 30 Jun 2025 487th cthierfelder 🇲🇨 329 224 495ms 6 Sep 2025 488th dokutan 329 529 111ms 3 Jul 2025 489th dokutan 327 227 78ms 30 Jun 2025 490th MeWhenI 🇻🇦 326 643 492ms 20 Jun 2025 491st dokutan 325 359 4,629ms 30 Jun 2025 492nd dokutan 324 372 373ms 30 Jun 2025 493rd dokutan 323 349 41ms 30 Jun 2025 494th dokutan 322 379 6ms 30 Jun 2025 495th dokutan 322 394 457ms 24 Sep 2025 496th dokutan 319 358 117ms 30 Jun 2025 497th dokutan 315 426 643ms 30 Jun 2025 498th dokutan 302 514 226ms 30 Jun 2025 499th dokutan 300 383 484ms 7 Nov 2025 500th Andrey-Plotnikov 299 300 9ms 30 Sep 2025 501st brimstonetrader 298 247 158ms 20 Jul 2025 502nd dokutan 298 258 255ms 30 Jun 2025 503rd dokutan 298 342 2ms 30 Jun 2025 504th dokutan 290 357 4ms 30 Jun 2025 505th Upload-and-View 🇺🇦 287 257 157ms 24 Jul 2025 506th dokutan 276 324 9ms 30 Jun 2025 507th JOrE20 🇺🇸 268 334 9ms 6 Nov 2025 508th KatieLG 🇬🇧 267 449 7ms 27 Apr 2025 509th MeWhenI 🇻🇦 267 626 28ms 1 Jul 2025 510th MeWhenI 🇻🇦 265 561 16ms 20 Jun 2025 511th MeWhenI 🇻🇦 265 585 212ms 20 Jun 2025 512th JOrE20 🇺🇸 260 596 99ms 23 days ago 513th dokutan 258 273 618ms 30 Jun 2025 514th JOrE20 🇺🇸 256 680 32ms 23 days ago 515th KatieLG 🇬🇧 253 580 202ms 18 days ago 516th Zhenyu-Bo 251 293 92ms 31 Jul 2025 517th dokutan 246 341 964ms 30 Jun 2025 518th dokutan 243 484 1,341ms 3 Jul 2025 519th MeWhenI 🇻🇦 241 721 68ms 20 Jun 2025 520th KatieLG 🇬🇧 228 569 1,256ms 18 days ago 521st KatieLG 🇬🇧 227 519 22ms 18 days ago 522nd dokutan 223 861 1,657ms 21 Oct 2025 523rd JOrE20 🇺🇸 216 544 27ms 23 days ago 524th KatieLG 🇬🇧 216 673 265ms 18 days ago 525th MeWhenI 🇻🇦 216 677 232ms 20 Jun 2025 526th vhoulbreque 🇫🇷 214 726 25ms 23 days ago 527th KatieLG 🇬🇧 213 597 379ms 18 days ago 528th KatieLG 🇬🇧 207 563 4,818ms 18 days ago 529th KatieLG 🇬🇧 207 583 351ms 18 days ago 530th KatieLG 🇬🇧 204 606 106ms 18 days ago 531st KatieLG 🇬🇧 203 563 91ms 18 days ago 532nd KatieLG 🇬🇧 201 570 99ms 18 days ago 533rd MeWhenI 🇻🇦 200 769 43ms 1 Jul 2025 534th TheZwierzLF 🇵🇱 199 371 11ms 16 days ago 535th MeWhenI 🇻🇦 199 612 4ms 20 Jun 2025 536th KatieLG 🇬🇧 198 577 279ms 18 days ago 537th MeWhenI 🇻🇦 197 599 76ms 20 Jun 2025 538th MeWhenI 🇻🇦 197 626 99ms 20 Jun 2025 539th MeWhenI 🇻🇦 197 657 1,376ms 20 Jun 2025 540th MeWhenI 🇻🇦 196 642 23ms 20 Jun 2025 541st dokutan 194 279 2ms 30 Jun 2025 542nd TheZwierzLF 🇵🇱 192 370 1,023ms 7 days ago 543rd dokutan 190 518 2ms 30 Jun 2025 544th JOrE20 🇺🇸 190 602 2ms 23 days ago 545th lyphyser 187 613 1,482ms 9 Feb 2025 546th MeWhenI 🇻🇦 187 616 630ms 20 Jun 2025 547th dokutan 186 676 25ms 20 Jul 2025 548th dokutan 184 357 158ms 30 Jun 2025 549th KatieLG 🇬🇧 184 533 2ms 27 Apr 2025 550th KatieLG 🇬🇧 182 486 3ms 18 days ago 551st dokutan 180 551 137ms 30 Jun 2025 552nd MeWhenI 🇻🇦 179 653 3,823ms 20 Jun 2025 553rd MeWhenI 🇻🇦 177 729 3ms 20 Jun 2025 554th dokutan 172 516 3ms 30 Jun 2025 555th dokutan 172 664 72ms 21 Oct 2025 556th KatieLG 🇬🇧 172 781 619ms 18 days ago 557th KatieLG 🇬🇧 171 570 69ms 18 days ago 558th KatieLG 🇬🇧 170 607 5ms 18 days ago 559th dokutan 168 645 2ms 21 Oct 2025 560th MeWhenI 🇻🇦 163 611 6ms 20 Jun 2025 First Prev 481–560 of 922 Next Last