The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Abundant Numbers in C# 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 78th Shnapster 700 90 346ms 23 Sep 2023 78th ElysiaVesper 700 90 324ms 19 Nov 2023 83rd RandGuy 692 91 342ms 8 Dec 2021 83rd adoxography 692 91 368ms 20 Jan 2022 83rd logicolor 692 91 329ms 2 May 2022 83rd Firefox760 692 91 332ms 23 Apr 2023 83rd Theremon72 692 91 358ms 17 Feb 2024 83rd ertz1ertz 692 91 397ms 12 Sep 2024 83rd dorschmeister 692 91 374ms 23 Dec 2024 90th JDiLenarda 🇫🇷 685 92 345ms 21 Nov 2021 90th tdkkdt 🇷🇺 685 92 396ms 21 Nov 2021 90th MarcoCasadei 685 92 333ms 11 Aug 2022 90th sabvdf 685 92 369ms 8 Dec 2022 90th Pyro569 685 92 349ms 31 Jul 2023 90th msbranicky 685 92 377ms 22 Aug 2023 90th Grabnukebomb 685 92 387ms 10 Jul 2025 97th dartt 677 93 339ms 21 Nov 2021 97th TheMickeyMouse 677 93 380ms 21 Nov 2021 97th hamhub7 677 93 342ms 3 Aug 2022 97th Mikey-Beep 🇬🇧 677 93 352ms 2 Sep 2024 97th amazingalek 677 93 417ms 115 mins ago 102nd MarkStockwellZA 670 94 352ms 12 Jan 2022 103rd muztanger 663 95 359ms 21 Nov 2021 103rd yannikHoeflich 663 95 376ms 26 Dec 2021 103rd MLPdiscord 663 95 367ms 3 Jan 2022 103rd aDwarfNamedUrist 663 95 353ms 21 Nov 2022 107th p-vf 🇨🇭 656 96 382ms 8 Jan 2022 107th iPablol 656 96 352ms 25 Oct 2023 109th afgarciam 649 97 364ms 21 Nov 2021 109th HassanAliKadhem 🇧🇭 649 97 340ms 14 Jan 2022 109th taylorbrown2686 649 97 366ms 7 Mar 2022 109th m-tkach 🇺🇦 649 97 370ms 5 Oct 2022 109th FrederikHutfless 🇩🇪 649 97 344ms 22 Dec 2022 114th Captschi 643 98 361ms 21 Nov 2021 115th hklemp 🇩🇪 636 99 379ms 21 Nov 2021 116th StronkCheese 🇺🇸 630 100 359ms 3 Feb 2023 116th hippopotam00sehead 🇨🇦 630 100 362ms 11 Sep 2024 118th Droidaloid 618 102 351ms 21 Nov 2021 119th jstein-praxis 612 103 363ms 21 Nov 2021 120th JTrainor11 606 104 368ms 1 Nov 2024 121st wescombs10 600 105 380ms 28 Oct 2022 121st onlmusha1 600 105 383ms 8 Jul 2023 123rd lalkkot 594 106 347ms 27 Apr 2022 123rd khaidigidinos 594 106 351ms 22 Jun 2023 125th JarrodCope 589 107 358ms 19 Apr 2024 126th foxmcloud555 578 109 351ms 1 Jun 2022 126th lovernj 578 109 386ms 23 Aug 2022 128th demonischuk 573 110 362ms 23 Sep 2023 128th cryptoriddlerUIO 573 110 319ms 2 Mar 2025 130th dpethes 563 112 367ms 26 Jul 2022 131st OmameBeans 534 118 397ms 26 Jun 2025 132nd okuzmeniuk 529 119 386ms 24 Jun 2025 133rd Teekesselchen 508 124 376ms 24 Dec 2021 134th mntdn 504 125 371ms 18 Jun 2025 135th dlorddd 500 126 350ms 21 Nov 2021 135th orifu 500 126 379ms 29 Oct 2024 137th Lancek217 477 132 365ms 22 Dec 2021 138th kevinnaviapaiva 470 134 331ms 6 Mar 2025 139th Betelgeza 463 136 374ms 21 Nov 2021 140th pikti 434 145 379ms 21 Nov 2021 141st bilal2709 389 162 334ms 4 Sep 2025 142nd gpikmddk 360 175 370ms 12 Aug 2022 143rd HumanoidCPU 348 181 356ms 24 Aug 2024 144th carlpeter 303 208 361ms 4 Sep 2023 145th mokymok 🇺🇸 280 225 345ms 21 Nov 2021 145th retrohun 280 225 372ms 27 Dec 2022 145th Mabeloid 🇳🇴 280 225 353ms 18 Sep 2024 148th KatieLG-Transpiler 🇬🇧 275 229 358ms 23 Jun 2022 First Prev 81–148 of 148
