The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Cubes 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 160th Trusly 430 223 9ms 26 Feb 2024 162nd giacomogallina 429 224 9ms 5 Jun 2019 162nd AgathokakologicalBit 429 224 10ms 27 Jul 2019 162nd Kloppermand 🇩🇰 429 224 10ms 8 Sep 2021 162nd mbittner20 429 224 10ms 1 Jul 2024 166th za3k 427 225 10ms 15 Oct 2022 166th celiendonze 🇨🇭 427 225 9ms 25 May 2023 166th jbjd 427 225 9ms 2 Mar 2024 166th tomh1012 427 225 10ms 27 days ago 170th sambirnbaum1 425 226 9ms 14 Oct 2019 170th mothcolada 🇺🇸 425 226 9ms 12 Apr 2021 170th aalec 425 226 9ms 25 Apr 2024 170th jtaxen 425 226 9ms 10 May 2024 174th amishtal 423 227 9ms 4 Dec 2019 174th dzshn 423 227 10ms 15 Aug 2022 176th AkashTandon167 421 228 10ms 8 Dec 2020 176th vezzick 421 228 9ms 6 Mar 2021 176th trist224 🇫🇷 421 228 11ms 18 Oct 2022 176th thehylian 421 228 10ms 30 Dec 2022 176th KrausRaus 🇺🇸 421 228 9ms 19 Oct 2023 181st mamsterla 419 229 9ms 29 Jun 2020 181st face0xff 419 229 10ms 26 Oct 2021 181st nullie 419 229 9ms 7 Jun 2022 181st mathisfun271 419 229 10ms 19 Dec 2023 185th haydenridd 416 231 10ms 22 Oct 2020 185th lemogne 416 231 9ms 2 Jun 2022 185th sjrct 416 231 9ms 2 Jun 2023 188th michelebastione 🇮🇹 414 232 9ms 19 Oct 2019 188th msbranicky 414 232 11ms 5 Aug 2023 188th Florian-Mt 414 232 9ms 12 Jul 2024 188th moustave 414 232 10ms 2 Dec 2024 192nd TimHuisman1703 412 233 10ms 7 Jan 2022 192nd Ailko 🇧🇪 412 233 16ms 12 May 2022 192nd shelerr 412 233 13ms 15 Jun 2023 192nd quimey 412 233 10ms 5 Jul 2023 192nd JuanchoGithub 412 233 9ms 27 Mar 2024 197th Altrul 410 234 10ms 17 Dec 2020 197th jan-Simiman 410 234 11ms 16 Oct 2024 199th 77Tigers 409 235 10ms 27 Feb 2021 199th CodyMiner 409 235 10ms 17 Nov 2021 199th P-Quentin 🇫🇷 409 235 10ms 8 Aug 2022 199th CarsonChr 🇺🇸 409 235 10ms 18 Sep 2022 199th jm600 409 235 10ms 27 Nov 2022 204th katehuds 407 236 11ms 22 Oct 2020 204th myleopard 407 236 9ms 13 Oct 2021 204th Bonjour27891 🇻🇳 407 236 9ms 13 Mar 2022 204th GeneralTwi 407 236 9ms 12 Apr 2022 204th Wildst 407 236 9ms 2 Nov 2022 204th TaserTheFox 🇺🇸 407 236 10ms 2 May 2023 204th Flekay 🇩🇪 407 236 9ms 10 Jul 2025 211th TheCod-r 🇦🇶 405 237 9ms 27 Sep 2022 212th bbakersmith 403 238 11ms 28 Jun 2022 212th mossprescott 403 238 9ms 18 Jan 2023 212th jatloe 403 238 12ms 26 Aug 2024 215th timkaiser 402 239 9ms 18 Apr 2019 215th ridingqwerty 🇺🇸 402 239 9ms 1 Dec 2023 217th rory660 400 240 10ms 16 Jan 2019 217th Pena86 400 240 9ms 2 Jan 2022 219th badboj40 398 241 10ms 18 Jan 2023 220th Starwort 🇬🇧 397 242 9ms 30 Mar 2019 220th LeeCamp 397 242 9ms 18 Dec 2021 220th hellwue 397 242 10ms 2 Mar 2023 223rd bastienvoirin 🇫🇷 395 243 10ms 6 Apr 2020 223rd mizuzimu 395 243 9ms 12 Apr 2020 223rd mdnestor 395 243 9ms 4 Jan 2023 226th fourth-bit 393 244 9ms 14 Jul 2023 226th hiichbindermax 393 244 9ms 11 Sep 2024 226th croc54 393 244 9ms 30 Dec 2024 229th orifu 390 246 10ms 22 Feb 2021 229th VictorStenvers 🇳🇱 390 246 9ms 22 Oct 2024 231st markbyrne 389 247 9ms 23 Oct 2020 232nd evanrittner 387 248 9ms 17 Feb 2019 232nd BrenSchaap 387 248 10ms 21 Oct 2021 232nd madex 🇩🇪 387 248 10ms 28 Jun 2025 235th fynnkroeger 386 249 9ms 4 Mar 2021 236th omgardner 384 250 9ms 4 Feb 2019 236th ethandhunt 384 250 9ms 20 Jul 2021 238th mrmena 🇦🇺 382 251 9ms 22 Jun 2021 239th geofft 381 252 9ms 10 Dec 2020 239th Mikey-Beep 🇬🇧 381 252 10ms 3 Oct 2022 First Prev 161–240 of 379 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