The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Cubes 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 1st AdrienHache 🇫🇷 1,000 184 390ms 18 Jan 2025 2nd nwellnhof 🇩🇪 948 194 342ms 1 Dec 2022 3rd Yax42 🇫🇷 797 231 359ms 8 Sep 2025 4th namelessiw 770 239 354ms 9 Apr 2025 5th luciaaibarblanco 🇪🇸 733 251 398ms 21 Nov 2021 5th tomh1012 733 251 397ms 21 Nov 2025 7th janbehrens 🇩🇪 730 252 382ms 17 Apr 2025 8th MeWhenI 🇻🇦 722 255 360ms 17 Apr 2025 9th postie77 716 257 384ms 27 Mar 2023 9th arctouch-cristiannevianna 716 257 348ms 9 Feb 2024 11th tdkkdt 🇷🇺 705 261 395ms 21 Nov 2021 11th tomtheisen 🇺🇸 705 261 419ms 21 Nov 2021 13th revlayle 🇺🇸 692 266 396ms 14 Jan 2022 14th qrakhen 662 278 359ms 22 hours ago 15th hemphen 659 279 371ms 2 Aug 2022 16th initram 628 293 400ms 21 Nov 2021 16th Gaddy 🇫🇷 628 293 344ms 18 May 2022 18th SmartK8 🇨🇿 626 294 381ms 31 Oct 2022 19th Meowsan91 🇨🇿 607 303 350ms 21 Nov 2021 20th CaedenHarper 🇨🇦 597 308 395ms 17 Oct 2025 21st TRexOnGit 594 310 389ms 29 Nov 2024 22nd annaproxy 586 314 401ms 22 Oct 2023 23rd memiamp 🇬🇧 573 321 390ms 17 Oct 2022 24th stefangimmillaro 571 322 414ms 13 Jun 2022 25th ILMTitan 553 333 380ms 21 Nov 2021 26th hklemp 🇩🇪 551 334 365ms 21 Nov 2021 27th Kloppermand 🇩🇰 543 339 390ms 7 Oct 2022 28th ericlangedijk 🇸🇮 515 357 415ms 14 Mar 2022 29th KatieLG 🇬🇧 499 369 404ms 13 Oct 2024 30th dsx20 483 381 385ms 3 Dec 2022 31st roavin 478 385 361ms 7 Jun 2022 32nd p-vf 🇨🇭 474 388 388ms 21 Nov 2021 33rd hamhub7 468 393 390ms 11 Aug 2022 34th muztanger 437 421 375ms 21 Nov 2021 35th bac0id 412 447 396ms 21 Nov 2021 36th mpogudintrade 386 477 418ms 30 Oct 2023 37th iznax 372 495 350ms 21 Nov 2021 38th BREMAUCY 🇫🇷 349 527 378ms 30 Jun 2023 39th Shanethegamer 🇺🇸 343 537 336ms 22 Apr 2022 40th dokutan 224 823 370ms 6 Oct 2024 41st kevinnaviapaiva 193 954 333ms 24 Feb 2025 42nd neocccro 152 1,207 382ms 23 Mar 2023 43rd HumanoidCPU 65 2,845 330ms 9 Nov 2025 44th mokymok 🇺🇸 62 2,954 364ms 21 Nov 2021 44th retrohun 62 2,954 373ms 27 Dec 2022 44th Mabeloid 🇳🇴 62 2,954 369ms 3 Oct 2024 47th KatieLG-Transpiler 🇬🇧 62 2,958 364ms 23 Jun 2022 48th lleszczynski-PL 53 3,440 388ms 21 Nov 2021 1–48 of 48
