The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Prime Numbers (Long) 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 51st ejini6969 978 45 199ms 1 Apr 2023 51st InigoK 🇺🇸 978 45 153ms 1 Apr 2023 51st MHunter-NZ 🇳🇿 978 45 197ms 30 May 2023 51st TheoKeller1 978 45 197ms 11 Jun 2023 51st quimey 978 45 111ms 22 Jun 2023 51st 2011-Chan-Ethan 978 45 191ms 6 Jul 2023 51st fourth-bit 978 45 197ms 9 Jul 2023 51st AlephSquirrel 978 45 191ms 10 Jul 2023 51st fkantelberg 978 45 195ms 20 Jul 2023 51st Nic0M 978 45 194ms 14 Aug 2023 51st Alessandro-Balconi 🇮🇹 978 45 191ms 22 Aug 2023 51st snoozingnewt 🇨🇦 978 45 191ms 4 Sep 2023 51st Griff95 978 45 196ms 22 Sep 2023 51st Alex-x90 🇺🇸 978 45 194ms 19 Oct 2023 51st htareque 978 45 193ms 19 Oct 2023 51st Grrisly 978 45 193ms 8 Nov 2023 51st mikehanus 978 45 195ms 22 Nov 2023 51st 4hg 🇺🇸 978 45 191ms 27 Nov 2023 51st Techdude01 978 45 189ms 22 Dec 2023 51st ridingqwerty 🇺🇸 978 45 195ms 27 Dec 2023 51st 5cw 🇺🇸 978 45 190ms 31 Dec 2023 51st dylanarmstrong 978 45 195ms 2 Jan 2024 51st antimon2 🇯🇵 978 45 196ms 11 Jan 2024 51st uttumuttu 🇫🇮 978 45 195ms 16 Jan 2024 51st byronknoll 🇺🇸 978 45 192ms 1 Feb 2024 51st Adix-null 🇱🇹 978 45 191ms 3 Feb 2024 51st bzijlema 🇳🇱 978 45 191ms 6 Feb 2024 51st Just4FunCoder 978 45 192ms 18 Feb 2024 51st ehulinsky 🇺🇸 978 45 194ms 18 Feb 2024 51st Jacob385 978 45 191ms 18 Mar 2024 51st jtaxen 978 45 191ms 27 Mar 2024 51st davecame 978 45 197ms 23 Apr 2024 51st aalec 978 45 193ms 24 Apr 2024 51st stertooy 🇧🇪 978 45 191ms 9 Jun 2024 51st RedzGoose 🇦🇺 978 45 196ms 11 Jun 2024 51st hellwue 978 45 191ms 21 Jun 2024 51st rollershutter 978 45 192ms 23 Jun 2024 51st Bulmenisaurus 978 45 193ms 2 Jul 2024 51st CutSandstone 978 45 190ms 11 Jul 2024 51st codingisgreatbutiamnot 978 45 193ms 4 Aug 2024 51st namelessiw 978 45 110ms 9 Aug 2024 51st ljweel 978 45 193ms 12 Sep 2024 51st JunkIce 978 45 193ms 1 Oct 2024 51st agreegious 978 45 191ms 17 Nov 2024 51st moustave 978 45 192ms 29 Nov 2024 51st tjwrenn 978 45 192ms 9 Dec 2024 51st nullie 978 45 194ms 12 Dec 2024 51st WCScrypto-official 978 45 191ms 23 Dec 2024 51st rchalamala 978 45 196ms 30 Dec 2024 51st klixel 🇨🇦 978 45 191ms 31 Dec 2024 51st yujh-yujh 🇬🇸 978 45 194ms 14 Jan 2025 51st Languag3 978 45 195ms 4 Mar 2025 51st andrewjc2000 978 45 193ms 9 Mar 2025 51st souta-1326 978 45 191ms 23 Mar 2025 51st Mukundan314 978 45 119ms 4 Apr 2025 51st Camaendir 978 45 193ms 4 Apr 2025 51st emgordon154 978 45 194ms 20 Apr 2025 51st Flekay 🇩🇪 978 45 192ms 19 Jun 2025 51st KasperKivimaeki 🇫🇮 978 45 193ms 29 Jun 2025 51st dokutan 978 45 193ms 30 Jun 2025 51st wuduculfre 978 45 192ms 22 Jul 2025 51st amberzit 978 45 113ms 29 Jul 2025 51st qpwoeirut 978 45 193ms 11 Aug 2025 51st blaztoma 🇱🇹 978 45 192ms 15 Sep 2025 51st FortuiteMan 🇫🇷 978 45 198ms 16 Sep 2025 51st BrunoVisnadi 🇧🇷 978 45 194ms 23 Sep 2025 51st miaoaixuan 978 45 195ms 30 Sep 2025 51st Babafaba 978 45 194ms 18 Oct 2025 51st ApoChagi 978 45 205ms 18 Oct 2025 51st 09cf 978 45 115ms 10 Nov 2025 51st CommandLeo 🇮🇹 978 45 188ms 14 Nov 2025 51st albanian-laundromat 978 45 191ms 20 days ago 51st DylPickle-12 978 45 190ms 6 days ago 154th btjones0 957 46 190ms 6 Dec 2021 154th mokymok 🇺🇸 957 46 196ms 6 Dec 2021 154th RYNO8 957 46 192ms 18 Aug 2022 154th jared-hughes 957 46 116ms 10 Sep 2022 154th Mikey-Beep 🇬🇧 957 46 193ms 1 Oct 2022 154th betaveros 957 46 281ms 4 Jan 2023 154th hiichbindermax 957 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