The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Abundant Numbers 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 621st TimLeffke 699 73 9ms 15 Aug 2022 621st eddvrs 699 73 10ms 27 Aug 2022 621st smartiel 699 73 9ms 15 Sep 2022 621st EthanGrant1 699 73 10ms 10 Nov 2022 621st hawthornbunny 699 73 11ms 7 Dec 2022 621st AsceticPy 699 73 11ms 9 Dec 2022 621st Squidled 699 73 9ms 3 Jan 2023 621st Pimveha 699 73 10ms 12 Jan 2023 621st thiccaxe 699 73 10ms 6 May 2023 621st DrPrettyman 699 73 10ms 31 May 2023 621st anonymaew 699 73 10ms 3 Aug 2023 621st tobeannouncd 699 73 10ms 15 Sep 2023 621st Command-Master 699 73 19ms 2 Oct 2023 621st epic-programmer-guy 699 73 11ms 16 Dec 2023 621st yuchuehw 699 73 10ms 14 Jan 2024 621st Brice-m 699 73 9ms 16 Feb 2024 621st dal548 699 73 10ms 12 Jun 2024 621st zlliu246 699 73 10ms 2 Oct 2024 621st Enigmatic-Hope 699 73 11ms 15 Oct 2024 621st Alex-Huggett 🇬🇧 699 73 13ms 22 Oct 2024 621st bltnppcnt 699 73 10ms 8 Jan 2025 621st FVDurumMixto 699 73 9ms 3 Apr 2025 621st Voltrifrodec 🇸🇰 699 73 10ms 16 Apr 2025 621st TheZwierzLF 🇵🇱 699 73 18ms 24 May 2025 621st WillowWispy 699 73 10ms 25 May 2025 621st artem-aramma 699 73 10ms 25 Jun 2025 621st Papushkado 699 73 10ms 18 Nov 2025 668th derekthatcher 689 74 13ms 18 Sep 2020 668th raghav198 689 74 10ms 4 Nov 2020 668th richard-oelze 🇩🇪 689 74 13ms 3 Jan 2021 668th ispahr 689 74 10ms 12 Jan 2021 668th lucasvanmol 689 74 10ms 3 Mar 2021 668th mrmena 🇦🇺 689 74 11ms 21 Jun 2021 668th kenny14231 689 74 10ms 1 Jul 2021 668th NicoAdams 689 74 10ms 21 Nov 2021 668th martinnorling 🇸🇪 689 74 18ms 1 Feb 2022 668th wrose100 689 74 13ms 15 Apr 2022 668th programjames 689 74 11ms 7 May 2022 668th ljmccarthy 689 74 10ms 23 Jun 2022 668th dwahdany 689 74 9ms 15 Jul 2022 668th julienlamoureux78 689 74 9ms 17 Aug 2022 668th jsthope 689 74 10ms 28 Sep 2022 668th murugan-k-0204 689 74 10ms 7 Oct 2022 668th venkatesh1220 689 74 10ms 7 Oct 2022 668th Skallos-s 689 74 10ms 5 Dec 2022 668th yishayv 689 74 10ms 22 Jan 2023 668th sin22766 689 74 9ms 8 Mar 2023 668th latvianfarmer17 🇱🇻 689 74 9ms 20 Jul 2023 668th CameronGBell 689 74 13ms 28 Sep 2023 668th dev-Thae 689 74 9ms 7 Nov 2023 668th Techdude01 689 74 9ms 11 Jan 2024 668th dyc3 689 74 9ms 29 Jan 2024 668th qwjhvbxi 689 74 10ms 8 Feb 2024 668th gusruben 689 74 11ms 12 Mar 2024 668th RealAMC 🇳🇿 689 74 11ms 30 Apr 2024 668th kejcao 🇨🇦 689 74 9ms 11 May 2024 668th joseph-w0ng 689 74 10ms 5 Jul 2024 668th nickphe 689 74 10ms 19 Aug 2024 668th NickTheEASDude 🇺🇸 689 74 11ms 3 Sep 2024 668th Unknownuserfrommars 689 74 10ms 7 Oct 2024 668th RedzGoose 🇦🇺 689 74 11ms 14 Oct 2024 668th Mabeloid 🇳🇴 689 74 9ms 16 Oct 2024 668th hamilton-bonds 689 74 10ms 12 Nov 2024 668th SURAJMITTAL 689 74 10ms 18 Dec 2024 668th magenroy 689 74 9ms 19 Dec 2024 668th SOONwasTaken 689 74 10ms 18 Mar 2025 668th clayboll99 689 74 10ms 11 Jul 2025 668th ziselsberger 689 74 10ms 11 Jul 2025 709th vonKrafft 680 75 11ms 25 Mar 2020 709th daikisuyama 680 75 10ms 26 May 2020 709th Secozzi 680 75 10ms 20 Oct 2020 709th williamlake 680 75 14ms 26 Feb 2021 709th lmolteno 680 75 10ms 5 Mar 2021 709th ethandhunt 680 75 10ms 20 Jul 2021 709th redbeancola 680 75 10ms 10 Oct 2021 709th connorpainter 680 75 10ms 27 Oct 2021 709th HassanAliKadhem 🇧🇭 680 75 12ms 5 Jan 2022 709th ValNyz 680 75 10ms 23 Feb 2022 709th JonathanPartain 680 75 11ms 29 Mar 2022 709th karhuthebear 680 75 10ms 9 May 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