The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Sierpiński Triangle in Raku 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 1st GrayJoKing 🇦🇺 1,000 36 156ms 21 Jan 2023 2nd nwellnhof 🇩🇪 973 37 106ms 12 Mar 2018 2nd primo-ppcg 🇹🇭 973 37 110ms 20 Feb 2019 4th AlexDaniel 🇪🇪 878 41 121ms 21 Feb 2018 5th bluebear94 679 53 115ms 12 Feb 2018 6th SirBogman 🇺🇸 667 54 120ms 23 Jan 2024 7th Attero 🇸🇪 610 59 111ms 13 Apr 2020 8th SirFireball3521 590 61 166ms 2 Mar 2023 9th Natanaelel 🇸🇪 537 67 111ms 8 Oct 2021 10th Shanethegamer 🇺🇸 514 70 114ms 14 Dec 2022 11th mcreenan 480 75 120ms 6 Apr 2018 11th scpchicken 🇵🇼 480 75 118ms 13 Mar 2022 13th elisherer 🇮🇱 474 76 114ms 13 Apr 2019 13th o0lit3 🇺🇸 474 76 112ms 10 Jul 2020 13th rucin93 🇵🇱 474 76 111ms 7 Sep 2020 13th olivermrose 🇺🇸 474 76 118ms 20 Sep 2021 13th trist224 🇫🇷 474 76 130ms 28 Nov 2022 13th retrohun 474 76 115ms 30 Dec 2022 13th neel11235813 474 76 111ms 3 Feb 2023 13th DialFrost 🇸🇬 474 76 116ms 26 Nov 2023 21st JRaspass 🇬🇧 468 77 119ms 22 Feb 2023 22nd Indivicivet 456 79 109ms 24 Mar 2021 22nd grondilu 456 79 118ms 1 Sep 2023 24th janbehrens 🇩🇪 444 81 103ms 20 Jun 2021 25th DaCuteRaccoon 434 83 116ms 27 Apr 2022 26th yokasuretsu 409 88 110ms 24 Jun 2018 27th MeWhenI 🇻🇦 400 90 110ms 28 Nov 2021 28th labster 305 118 103ms 20 Feb 2018 29th dokutan 214 168 111ms 19 Oct 2024 30th gustawdaniel 197 183 132ms 1 Apr 2018 31st KatieLG 🇬🇧 176 204 100ms 25 days ago 32nd RustemB 🇷🇺 102 353 105ms 15 Aug 2020 33rd lancew 🇳🇿 91 397 88ms 16 Nov 2017 33rd ZippyMagician 91 397 91ms 8 Jun 2020 33rd kurkale6ka 91 397 93ms 15 Jul 2021 33rd KatieLG-Transpiler 🇬🇧 91 397 109ms 24 Jun 2022 33rd HumanoidCPU 91 397 104ms 7 May 2024 33rd Mabeloid 🇳🇴 91 397 97ms 22 Sep 2024 33rd CaedenHarper 🇨🇦 91 397 89ms 16 Aug 2025 40th GolfingSuccess 🇬🇷 90 398 101ms 17 Nov 2019 41st kpasc 90 400 94ms 18 Jul 2018 41st OllieBoyne 🇬🇧 90 400 97ms 10 Mar 2019 43rd mokymok 🇺🇸 87 412 95ms 10 Nov 2021 44th evanrittner 87 415 89ms 12 Mar 2019 44th sshanks49 87 415 88ms 26 Feb 2020 1–45 of 45
