The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
brainfuck in Python 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 161st Artemis21 🇬🇧 655 255 45ms 3 Jan 2025 161st lelbal 655 255 375ms 28 Aug 2025 163rd cesarm4 652 256 34ms 9 May 2021 163rd ehulinsky 🇺🇸 652 256 23ms 16 May 2023 165th bknower 650 257 40ms 29 Jun 2025 166th evanrittner 647 258 22ms 28 Dec 2021 166th elephantpanda 647 258 46ms 11 Aug 2022 168th Starwort 🇬🇧 642 260 59ms 28 May 2019 168th cubed-guy 642 260 25ms 2 Oct 2021 170th jtaxen 637 262 455ms 8 May 2024 171st betaveros 635 263 327ms 2 Jan 2023 172nd vezzick 630 265 227ms 12 Mar 2021 173rd relet 628 266 1,111ms 10 Aug 2018 173rd cbondurant 628 266 47ms 1 Oct 2021 175th ImpressedByRocks 625 267 34ms 24 Dec 2024 176th CatsAreFluffy 623 268 18ms 3 Jan 2023 177th Phanabani 🇺🇸 621 269 337ms 22 Oct 2020 177th msbranicky 621 269 28ms 24 Jul 2023 177th te-chnical 621 269 17ms 25 days ago 180th dymowski 619 270 12ms 6 Aug 2019 180th salipshitz 619 270 23ms 16 Apr 2020 180th abhishekg999 619 270 311ms 21 Sep 2024 183rd michelebastione 🇮🇹 616 271 355ms 21 Jul 2021 184th EnTerr 614 272 15ms 15 Sep 2024 184th julian-hoelz 614 272 21ms 22 Sep 2024 184th Pyroan 614 272 318ms 24 Feb 2025 187th neihousaigaai 612 273 16ms 20 Apr 2021 188th abailey2020 🇺🇸 609 274 15ms 13 Dec 2020 188th argusdusty 🇺🇸 609 274 15ms 27 Dec 2020 190th GameChaos 607 275 380ms 14 May 2021 191st orifu 605 276 23ms 25 Feb 2021 191st jeff-at-tamer-dot-codes 🇺🇸 605 276 16ms 12 Mar 2023 191st RaBa21 🇭🇺 605 276 15ms 3 Aug 2025 194th lemogne 603 277 276ms 16 Nov 2021 194th StefanHabel 🇨🇦 603 277 18ms 6 Oct 2023 194th rsgray 603 277 20ms 3 Feb 2024 194th greentruff 603 277 18ms 10 days ago 198th SamuelMcGowan 601 278 333ms 12 Jan 2021 198th jatloe 601 278 27ms 28 Oct 2024 200th mrnomm 599 279 22ms 30 Jul 2022 200th kenballus 599 279 15ms 4 Apr 2023 200th roguh 🇬🇹 599 279 15ms 7 Jan 2024 200th spy404 🇮🇷 599 279 16ms 5 Jun 2024 200th LvLError 599 279 17ms 29 May 2025 200th Lv0Sys 🇵🇱 599 279 16ms 29 May 2025 206th jfallon1997 596 280 17ms 13 May 2024 207th SniperSmiley 🇺🇸 594 281 21ms 12 Jun 2022 208th mothcolada 🇺🇸 590 283 22ms 13 Apr 2021 208th akshatj27 🇦🇶 590 283 15ms 11 Jan 2022 210th martinnorling 🇸🇪 586 285 17ms 13 Apr 2022 210th thomasklunker 586 285 449ms 4 Feb 2023 212th halworsen 🇳🇴 582 287 375ms 14 Feb 2022 212th nullie 582 287 12ms 7 Jun 2022 212th LostSyntax21 🇬🇧 582 287 23ms 19 Jan 2025 215th bbakersmith 580 288 138ms 28 Jun 2022 215th jakobkordez 🇸🇮 580 288 12ms 7 Feb 2024 217th andrewgopher 578 289 23ms 25 Jun 2022 217th galloj 🇨🇿 578 289 34ms 10 Jan 2023 217th logvp 578 289 28ms 14 Mar 2025 220th NerdyMcNerd42 576 290 286ms 10 Sep 2022 220th PyryL 🇫🇮 576 290 21ms 20 Aug 2024 222nd codingisgreatbutiamnot 574 291 297ms 12 Aug 2024 222nd AstroOrbis 574 291 270ms 23 days ago 224th shelerr 568 294 13ms 15 Sep 2022 224th liamLatour 568 294 17ms 21 Jul 2024 226th Bonjour27891 🇻🇳 566 295 328ms 15 Jul 2022 226th idoweinstein 566 295 43ms 30 Jul 2022 226th HumanoidCPU 566 295 17ms 31 Mar 2025 229th madex 🇩🇪 562 297 17ms 9 Jul 2024 230th Andre3582 559 299 29ms 3 Nov 2020 230th pengu1n-master 559 299 21ms 11 Dec 2021 230th brimstonetrader 559 299 23ms 11 Jan 2024 233rd Upload-and-View 🇺🇦 557 300 21ms 21 Aug 2025 233rd M4rc0g1 557 300 23ms 16 Nov 2025 235th schachmattmatt 555 301 385ms 29 Sep 2021 235th FranklinJiaChen 555 301 31ms 4 Jul 2024 237th myleopard 551 303 26ms 15 Oct 2021 237th Heathcorp 🇦🇺 551 303 24ms 5 Dec 2022 237th BREMAUCY 🇫🇷 551 303 290ms 21 Jul 2025 237th yoikolover 551 303 17ms 7 days ago First Prev 161–240 of 373 Next Last