The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Intersection 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 157th starfihs 603 131 10ms 23 Feb 2025 157th dirckvdende 603 131 10ms 11 Jul 2025 157th InigoK 🇺🇸 603 131 10ms 10 Sep 2025 164th henrytranter 598 132 10ms 9 Oct 2020 164th andre-lameirinhas 🇵🇹 598 132 12ms 11 Oct 2020 164th adoxography 598 132 10ms 23 Jan 2021 164th UBKorkut 598 132 9ms 12 Mar 2021 164th buffalocat 598 132 9ms 3 May 2021 164th pascscha 598 132 10ms 13 May 2021 164th knutae 🇳🇴 598 132 10ms 29 Jun 2021 164th estomagordo 🇳🇱 598 132 9ms 7 Dec 2021 164th amollberg 🇸🇪 598 132 10ms 29 Jan 2022 164th CedricGebistorf 598 132 9ms 6 Mar 2022 164th cooljoseph1 598 132 10ms 6 May 2022 164th abba23 598 132 10ms 27 May 2022 164th nullie 598 132 10ms 8 Jun 2022 164th georgehulme 598 132 9ms 12 Oct 2022 164th astonm 598 132 10ms 15 Nov 2022 164th RDShah 598 132 11ms 23 Nov 2022 164th myleopard 598 132 10ms 23 Dec 2022 164th dranjohn 598 132 10ms 11 Sep 2023 164th RZ781 598 132 10ms 19 Nov 2023 164th dragonshadows07 598 132 12ms 19 Jan 2024 164th AtengChen 598 132 15ms 17 Aug 2024 164th maxgodfrey2004 🇨🇦 598 132 12ms 5 Jan 2025 164th croc54 598 132 10ms 8 Jan 2025 164th CLOStrophobic 🇮🇹 598 132 10ms 8 Feb 2025 164th connor-grady 598 132 11ms 7 May 2025 164th jacekwladzinski 598 132 10ms 5 Oct 2025 164th Lv0Sys 🇵🇱 598 132 10ms 14 days ago 191st AGoyet 594 133 10ms 29 Jun 2022 191st galloj 🇨🇿 594 133 10ms 4 Mar 2023 191st jfallon1997 594 133 10ms 9 Apr 2024 191st bknower 594 133 11ms 30 Jun 2025 191st aalec 594 133 10ms 9 Nov 2025 196th badouralix 590 134 10ms 18 Mar 2021 196th NicholasSeward 590 134 22ms 9 Sep 2021 196th quimey 590 134 10ms 23 Mar 2023 196th TaserTheFox 🇺🇸 590 134 12ms 24 Mar 2023 196th cros107 🇦🇺 590 134 11ms 3 Jun 2023 196th namelessiw 590 134 10ms 15 Jan 2024 196th brimstonetrader 590 134 11ms 22 Jan 2024 196th mrmena 🇦🇺 590 134 10ms 27 Mar 2024 196th EnTerr 590 134 10ms 1 Sep 2024 196th andrewjc2000 590 134 10ms 9 Mar 2025 206th argusdusty 🇺🇸 585 135 10ms 25 Dec 2020 206th boxjelly 585 135 10ms 10 Feb 2021 206th sleepyStick 585 135 10ms 11 Mar 2022 206th smartiel 585 135 40ms 14 Sep 2022 206th trist224 🇫🇷 585 135 41ms 21 Sep 2022 206th randolchance 585 135 10ms 29 Dec 2022 206th Code-Coder-coder 585 135 9ms 24 days ago 213th david-ds 581 136 11ms 18 Mar 2021 213th hyperneutrino 581 136 17ms 28 Jun 2021 213th guilhem-roy 🇫🇷 581 136 10ms 23 Feb 2022 213th Terobero 581 136 9ms 2 Sep 2024 213th Pyroan 581 136 10ms 16 May 2025 213th Emutis 🇱🇹 581 136 10ms 30 Aug 2025 219th MarcMush 🇫🇷 577 137 10ms 9 Jul 2021 219th bob-th 577 137 12ms 19 Jul 2022 219th FrancoisXavierDecroix 577 137 10ms 16 Apr 2024 219th FranklinJiaChen 577 137 11ms 5 Aug 2024 223rd jiaminglimjm 🇲🇾 572 138 10ms 9 Jan 2021 223rd ArmaanAS 572 138 10ms 25 Mar 2021 223rd TinyTheBrontosaurus 572 138 10ms 3 Dec 2023 223rd markusgraube 572 138 9ms 1 Jul 2024 223rd Mathrew2012 572 138 10ms 15 Aug 2024 228th AforAmpere 568 139 10ms 21 Feb 2021 229th ydevor 🇮🇱 564 140 9ms 20 Nov 2020 229th mathb0y512 564 140 11ms 20 Jan 2023 229th hellwue 564 140 11ms 17 Feb 2023 229th jtaxen 564 140 10ms 28 Apr 2024 229th fuzzylojik-golf 🇺🇸 564 140 11ms 25 Jul 2025 229th YAJUE114514 564 140 10ms 28 Jul 2025 235th Waffle3z 560 141 11ms 8 Oct 2020 235th lemogne 560 141 11ms 9 Aug 2021 235th HerLovelyTentacles 560 141 10ms 22 Nov 2021 235th osmith93 560 141 10ms 10 Jul 2022 235th DavidHospital 560 141 11ms 22 Sep 2023 235th Peanut-XIV 560 141 10ms 9 Nov 2023 First Prev 161–240 of 370 Next Last
