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 80th ndren 636 154 10ms 3 Aug 2025 82nd msbranicky 632 155 17ms 31 Aug 2023 83rd commandblockguy 🇺🇸 628 156 14ms 4 Sep 2022 83rd annaproxy 628 156 11ms 29 Nov 2022 83rd andrewjc2000 628 156 13ms 24 Jun 2025 86th InigoK 🇺🇸 624 157 22ms 10 Jul 2023 87th BlankSpruce 620 158 13ms 31 Aug 2025 88th neihousaigaai 616 159 10ms 5 Apr 2025 89th vishwathg 613 160 14ms 12 Oct 2023 90th FlorianCassayre 🇫🇷 605 162 12ms 24 Sep 2023 91st lelbal 598 164 14ms 23 Sep 2025 92nd namelessiw 594 165 23ms 15 Jan 2024 92nd Just4FunCoder 594 165 11ms 18 Jun 2025 94th Yewzir 🇧🇪 590 166 15ms 15 Feb 2024 95th jakobkordez 🇸🇮 583 168 34ms 28 Nov 2022 96th rak1507 🇬🇧 580 169 11ms 3 Mar 2023 96th rsgray 580 169 10ms 12 Jan 2024 98th OllieBoyne 🇬🇧 576 170 11ms 24 Aug 2021 98th TobyBoyne 🇬🇧 576 170 13ms 24 Aug 2021 98th Kloppermand 🇩🇰 576 170 13ms 30 Aug 2021 98th ZakkkkAttackkkk 🇵🇭 576 170 17ms 30 Jul 2023 98th Emutis 🇱🇹 576 170 11ms 4 Nov 2025 103rd Indivicivet 573 171 20ms 24 Oct 2021 103rd nullie 573 171 12ms 5 Jun 2022 103rd aalec 573 171 10ms 4 May 2024 106th logvp 566 173 52ms 1 Feb 2024 106th firegene 🇮🇪 566 173 10ms 5 Aug 2024 106th CommandLeo 🇮🇹 566 173 12ms 26 days ago 109th fourth-bit 563 174 17ms 1 Jul 2024 110th yourlefthandman 560 175 23ms 16 Aug 2023 110th Artemis21 🇬🇧 560 175 13ms 2 Jan 2025 112th galloj 🇨🇿 557 176 13ms 20 Aug 2022 113th DrPiranoid 554 177 19ms 28 Sep 2022 113th ehulinsky 🇺🇸 554 177 13ms 10 May 2023 113th raymur 554 177 14ms 14 Jul 2025 116th bastienvoirin 🇫🇷 541 181 11ms 14 Sep 2021 116th adoxography 541 181 13ms 28 Sep 2021 116th myleopard 541 181 10ms 20 Jul 2022 119th nstearns96 🇬🇧 538 182 11ms 22 Jan 2023 119th joll05 🇸🇪 538 182 13ms 28 May 2023 119th yousefalizadeh 538 182 16ms 7 Apr 2024 122nd Bmrl7 536 183 11ms 29 Mar 2024 122nd paiv 536 183 10ms 16 Jun 2025 124th georgehulme 533 184 13ms 5 Oct 2022 124th jeff-at-tamer-dot-codes 🇺🇸 533 184 14ms 28 Jul 2024 126th alexjurkiewicz 🇦🇺 530 185 11ms 7 Nov 2023 127th NicoAdams 527 186 10ms 25 Nov 2021 128th StardustGogeta 521 188 10ms 6 May 2023 128th zbreit 🇺🇸 521 188 14ms 6 May 2023 130th xiaoyiming123 519 189 13ms 24 Jul 2025 131st PhysicDev 🇫🇷 513 191 12ms 4 Oct 2022 131st FranklinJiaChen 513 191 10ms 12 Jun 2024 133rd rowboat1 510 192 14ms 11 Jun 2022 133rd TaserTheFox 🇺🇸 510 192 12ms 3 Jan 2023 133rd PaulMWeiser 510 192 11ms 8 Mar 2023 133rd CaedenHarper 🇨🇦 510 192 13ms 18 Jan 2025 137th martinnorling 🇸🇪 508 193 10ms 25 Feb 2022 137th aazuspan 508 193 10ms 8 Aug 2022 137th roguh 🇬🇹 508 193 11ms 22 Jan 2024 140th bobbysq 505 194 11ms 10 May 2023 140th cros107 🇦🇺 505 194 19ms 9 Aug 2023 140th Mikey-Beep 🇬🇧 505 194 16ms 25 Aug 2023 143rd setop 503 195 11ms 18 Aug 2023 143rd slimer37 503 195 10ms 20 days ago 145th smartiel 500 196 35ms 18 Sep 2022 145th PyryL 🇫🇮 500 196 13ms 21 Aug 2024 147th knutae 🇳🇴 497 197 11ms 29 Oct 2021 147th btjones0 497 197 10ms 4 Dec 2021 147th RDShah 497 197 10ms 8 Jun 2022 147th QuincyNash 🇺🇸 497 197 10ms 6 Dec 2022 147th HumanoidCPU 497 197 13ms 31 Oct 2024 147th yokasuretsu 497 197 10ms 4 Jan 2025 147th RobertHoeh 497 197 10ms 3 Mar 2025 147th gamk3 497 197 11ms 6 May 2025 155th DrPrettyman 495 198 12ms 12 Jul 2023 155th jacekwladzinski 495 198 10ms 8 Oct 2025 157th asheeri 492 199 10ms 23 Aug 2021 157th BrenSchaap 492 199 10ms 21 Oct 2021 157th scpchicken 🇵🇼 492 199 12ms 7 Mar 2022 157th thiccaxe 492 199 13ms 3 Oct 2022 First Prev 81–160 of 359 Next Last