The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
brainfuck in Python 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 241st codingisgreatbutiamnot 361 291 297ms 12 Aug 2024 241st AstroOrbis 361 291 270ms 23 days ago 243rd shelerr 357 294 13ms 15 Sep 2022 244th Bonjour27891 🇻🇳 356 295 328ms 15 Jul 2022 244th idoweinstein 356 295 43ms 30 Jul 2022 246th madex 🇩🇪 354 297 17ms 9 Jul 2024 247th Andre3582 351 299 29ms 3 Nov 2020 247th pengu1n-master 351 299 21ms 11 Dec 2021 247th brimstonetrader 351 299 23ms 11 Jan 2024 250th Upload-and-View 🇺🇦 350 300 21ms 21 Aug 2025 250th M4rc0g1 350 300 23ms 16 Nov 2025 252nd FranklinJiaChen 349 301 31ms 4 Jul 2024 253rd myleopard 347 303 26ms 15 Oct 2021 253rd Heathcorp 🇦🇺 347 303 24ms 5 Dec 2022 253rd BREMAUCY 🇫🇷 347 303 290ms 21 Jul 2025 253rd yoikolover 347 303 17ms 7 days ago 257th nstearns96 🇬🇧 345 304 334ms 22 Jan 2023 257th osNiko 🇧🇷 345 304 16ms 19 Aug 2025 259th DarkTemplar5 343 306 35ms 25 Feb 2020 259th knutae 🇳🇴 343 306 20ms 13 Nov 2021 261st LeeCamp 342 307 285ms 19 Feb 2022 261st namelessiw 342 307 16ms 15 Jan 2024 263rd inverseLorentz 🇦🇺 341 308 18ms 14 May 2024 263rd AtengChen 341 308 185ms 7 Sep 2024 263rd AnnoyedArt1256 341 308 24ms 7 Jan 2025 266th johnathanleung18 340 309 436ms 3 Oct 2021 266th midnattssol 🇸🇪 340 309 24ms 19 Oct 2023 268th andre-lameirinhas 🇵🇹 338 311 308ms 22 Jun 2020 268th jacekwladzinski 338 311 15ms 8 Oct 2025 270th GeorgePerreault 337 312 16ms 6 Jun 2020 271st giacomogallina 334 314 505ms 4 Jan 2020 272nd RandGuy 333 315 15ms 9 Nov 2022 272nd hiichbindermax 333 315 16ms 3 Sep 2024 272nd Alex-Huggett 🇬🇧 333 315 20ms 14 Sep 2025 275th hjcafaroUC 332 316 320ms 9 Aug 2020 276th karhuthebear 331 317 303ms 11 May 2022 276th CutSandstone 331 317 26ms 19 Jul 2024 276th qpwoeirut 331 317 16ms 16 Jul 2025 279th rollershutter 330 318 15ms 11 Oct 2022 280th 40fied4t 329 319 32ms 6 May 2025 281st rowboat1 323 325 18ms 14 Jun 2022 282nd Supermac30 322 326 23ms 3 Jan 2023 283rd bend-n 321 327 29ms 27 Jan 2024 284th adoxography 320 328 19ms 29 Apr 2024 285th ludwig-n 319 329 15ms 7 Apr 2021 286th richard-oelze 🇩🇪 318 330 346ms 7 May 2021 287th Bodo171 316 332 151ms 6 Dec 2022 288th Deepztream 313 335 19ms 27 Aug 2018 288th zax2002 313 335 453ms 7 Sep 2020 288th OSYCh314 🇦🇺 313 335 341ms 23 Mar 2025 291st Stockoh 🇫🇷 313 336 33ms 1 May 2024 292nd WillowWispy 310 339 12ms 22 Mar 2025 293rd TaserTheFox 🇺🇸 309 340 21ms 4 Apr 2023 294th TheZwierzLF 🇵🇱 307 342 18ms 26 days ago 295th YAJUE114514 306 343 14ms 6 days ago 296th SirFireball3521 303 346 20ms 26 Jan 2023 296th wuduculfre 303 346 15ms 28 Jul 2025 298th idans320 303 347 15ms 31 Jul 2022 299th eshilo-draper 302 348 12ms 21 Oct 2022 299th Ythaenagor 302 348 12ms 5 Aug 2024 301st setop 300 350 14ms 19 Aug 2023 302nd maggym00 299 351 20ms 14 Mar 2021 302nd Wildst 299 351 18ms 23 Sep 2022 304th glesnick 297 353 13ms 17 Aug 2022 305th mdnestor 297 354 28ms 3 Jan 2023 306th vgamula 🇺🇦 296 355 15ms 16 Jul 2025 307th usnheckler 294 357 29ms 8 Jun 2019 308th geofft 292 359 24ms 11 Dec 2020 309th descentcare 292 360 15ms 8 Aug 2022 310th kistlerf 🇨🇭 290 362 16ms 15 May 2025 311th jameswmccarty 289 363 22ms 11 Jul 2024 312th alangodfrey 288 365 17ms 18 Feb 2019 312th potato-jackson 288 365 20ms 5 Sep 2021 314th GulgDev 285 368 15ms 21 Mar 2023 315th hellwue 283 371 16ms 25 Jun 2024 316th ian-h-chamberlain 🇺🇸 280 375 28ms 5 Sep 2020 316th NanduBC 280 375 15ms 18 Mar 2021 318th tomh1012 279 377 14ms 28 Oct 2020 319th 0dyse 276 380 21ms 23 Apr 2025 320th skps2010 275 382 13ms 2 Jan 2019 First Prev 241–320 of 373 Next Last
