The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Arrows 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 157th DialFrost 🇸🇬 492 199 12ms 11 Feb 2023 157th jmerle 🇳🇱 492 199 13ms 17 Jul 2023 157th dainiak 492 199 12ms 23 Jul 2023 157th AbhilashaTandon 492 199 14ms 24 Sep 2023 157th Mabeloid 🇳🇴 492 199 10ms 7 Sep 2024 157th JunkIce 492 199 10ms 4 Oct 2024 157th Flekay 🇩🇪 492 199 11ms 10 Jul 2025 157th wuduculfre 492 199 10ms 29 Jul 2025 157th katss2 492 199 12ms 14 Aug 2025 157th Lv0Sys 🇵🇱 492 199 15ms 21 days ago 171st SirFireball3521 490 200 30ms 25 Jan 2023 171st wuzekai518 490 200 10ms 28 Jun 2024 171st kistlerf 🇨🇭 490 200 14ms 14 May 2025 174th Bonjour27891 🇻🇳 488 201 11ms 4 Mar 2022 174th guilhem-roy 🇫🇷 488 201 14ms 9 May 2022 174th MaxElf999 488 201 11ms 19 Sep 2022 174th tri1212 🇻🇳 488 201 11ms 3 Jun 2024 174th cykim8811 488 201 10ms 10 Jul 2024 174th vgamula 🇺🇦 488 201 13ms 15 Jul 2025 174th Alex-Huggett 🇬🇧 488 201 10ms 14 Sep 2025 181st marcin7Cd 485 202 10ms 25 Aug 2021 181st mbittner20 485 202 11ms 22 Sep 2024 183rd dionjw 483 203 12ms 22 Mar 2022 183rd pascscha 483 203 10ms 28 Mar 2022 183rd za3k 483 203 14ms 12 Oct 2022 183rd GolfingSuccess 🇬🇷 483 203 13ms 5 Dec 2022 183rd suhren 483 203 12ms 1 Oct 2023 188th Fishron 476 206 17ms 13 Jun 2022 188th ValentinCassayre 476 206 14ms 18 Oct 2023 190th LostSyntax21 🇬🇧 473 207 10ms 20 days ago 191st bbakersmith 467 210 11ms 6 Jun 2022 192nd SniperSmiley 🇺🇸 464 211 12ms 18 Dec 2022 193rd SB-945 462 212 11ms 14 Jul 2023 194th kyleclaassen 460 213 13ms 11 Mar 2022 194th yuchuehw 460 213 13ms 21 Jan 2024 194th RaBa21 🇭🇺 460 213 13ms 11 Aug 2025 197th NerdyMcNerd42 458 214 10ms 25 Oct 2022 198th CatsAreFluffy 456 215 14ms 30 Dec 2022 198th ridingqwerty 🇺🇸 456 215 11ms 13 Dec 2023 200th amollberg 🇸🇪 454 216 11ms 8 Jan 2022 201st Andrey135296 452 217 10ms 17 Sep 2024 202nd resoNathan 450 218 10ms 5 Jul 2024 203rd henrytranter 447 219 13ms 1 Oct 2021 203rd rschwa6308 🇺🇸 447 219 11ms 5 May 2023 203rd yanjs 447 219 14ms 3 Jul 2025 206th mdnestor 445 220 11ms 27 Dec 2022 207th mokymok 🇺🇸 443 221 11ms 17 Nov 2021 207th hiichbindermax 443 221 10ms 5 Oct 2024 209th lovernj 439 223 12ms 21 Jan 2022 209th Ailko 🇧🇪 439 223 11ms 5 May 2022 209th karhuthebear 439 223 11ms 11 May 2022 209th andre-lameirinhas 🇵🇹 439 223 14ms 26 Apr 2023 209th anarconic 439 223 11ms 7 Dec 2023 209th ffelixm 439 223 12ms 4 Jun 2025 209th Andrey2001 439 223 10ms 25 Nov 2025 216th BobDotCom 438 224 11ms 25 Mar 2022 216th sleepyStick 438 224 12ms 14 Jul 2022 218th 1231234md5 🇨🇳 436 225 11ms 15 Dec 2023 218th billythegoat356 436 225 13ms 5 Jun 2024 220th trist224 🇫🇷 434 226 13ms 21 Feb 2023 221st mothcolada 🇺🇸 432 227 11ms 8 Oct 2021 221st zt14427 432 227 13ms 28 Sep 2023 221st ballaire 432 227 11ms 27 Jan 2024 221st jatloe 432 227 16ms 23 Oct 2024 225th tobyLovick 430 228 13ms 10 Dec 2023 225th mathisfun271 430 228 10ms 6 Mar 2024 225th Mefred 430 228 11ms 29 Oct 2025 228th twocatsinatrenchcoat 428 229 14ms 14 Apr 2022 228th cthierfelder 🇲🇨 428 229 10ms 14 Nov 2025 230th EthanGrant1 426 230 12ms 10 Nov 2022 231st MichaelMBradley 🇨🇦 424 231 17ms 27 Feb 2022 231st Florian-Mt 424 231 11ms 27 Nov 2023 231st l-donovan 424 231 13ms 6 Feb 2024 234th jtaxen 422 232 14ms 21 May 2024 234th therealnumbers 422 232 11ms 29 Sep 2025 236th Stockoh 🇫🇷 417 235 11ms 1 May 2024 237th celiendonze 🇨🇭 415 236 12ms 21 Apr 2023 238th yzhs 🇩🇪 414 237 22ms 23 Jun 2023 238th dranjohn 414 237 12ms 11 Sep 2023 240th estomagordo 🇳🇱 410 239 12ms 16 Nov 2022 First Prev 161–240 of 359 Next Last
