The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Tongue-twisters 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 JayXon 🇺🇸 1,000 167 351ms 17 Jul 2023 2nd tomtheisen 🇺🇸 884 189 387ms 16 Feb 2023 3rd sisyphus-ppcg 🇦🇺 699 239 334ms 8 Mar 2022 3rd namelessiw 699 239 372ms 13 Oct 2025 5th Mukundan314 684 244 386ms 1 Jul 2025 6th stefangimmillaro 637 262 366ms 12 Oct 2023 7th prplz 🇦🇺 633 264 344ms 21 Nov 2021 8th MiffOttah 572 292 381ms 28 Nov 2024 9th iznax 555 301 328ms 21 Nov 2021 10th Yax42 🇫🇷 546 306 387ms 6 Aug 2025 11th ScottHamper 540 309 347ms 21 Nov 2021 12th AdrienHache 🇫🇷 534 313 325ms 15 Dec 2023 13th MeWhenI 🇻🇦 524 319 356ms 23 Nov 2021 13th Lydxn 🇨🇦 524 319 350ms 25 Nov 2021 15th Gaddy 🇫🇷 509 328 326ms 5 May 2022 16th primo-ppcg 🇹🇭 487 343 335ms 21 Nov 2021 16th revlayle 🇺🇸 487 343 352ms 24 Jan 2022 18th dpethes 481 347 330ms 26 Jul 2022 19th dokutan 479 349 351ms 23 Mar 2025 20th janbehrens 🇩🇪 474 352 328ms 21 Nov 2021 21st najs91 470 355 387ms 14 Oct 2024 22nd snoozingnewt 🇨🇦 449 372 368ms 9 Oct 2025 23rd postie77 444 376 336ms 9 Dec 2022 24th tomh1012 435 384 346ms 18 Nov 2025 25th amazingalek 428 390 393ms 9 hours ago 26th mwarvik 🇳🇴 425 393 354ms 13 hours ago 27th codewrite 🇬🇧 422 396 359ms 11 May 2025 28th Meowsan91 🇨🇿 421 397 319ms 21 Nov 2021 29th Yewzir 🇧🇪 409 408 310ms 10 May 2023 30th p-vf 🇨🇭 406 411 304ms 7 Jan 2022 31st Seanharrs 399 419 339ms 10 Dec 2021 31st KatieLG 🇬🇧 399 419 370ms 7 May 2024 33rd vroup 🇩🇰 395 423 334ms 6 Sep 2023 34th aliakseikalosha 394 424 336ms 21 Nov 2021 34th alicethecatwhisperermeow 394 424 357ms 7 Aug 2024 36th arctouch-cristiannevianna 393 425 323ms 4 Mar 2024 37th bac0id 391 427 323ms 4 Jul 2022 37th rifatx 391 427 380ms 11 Jul 2024 39th BREMAUCY 🇫🇷 383 436 378ms 4 Jul 2025 40th hamhub7 382 437 329ms 2 Aug 2022 41st Romain-1 🇫🇷 369 453 314ms 6 May 2022 42nd daniel-skalik 🇨🇿 363 460 327ms 21 Nov 2021 43rd ChrisTheisen 354 472 329ms 19 Dec 2022 44th msbranicky 352 475 343ms 8 Aug 2023 45th bwat2 348 480 314ms 6 Apr 2023 46th jahakari 344 485 349ms 21 Nov 2021 47th ericlangedijk 🇸🇮 342 489 332ms 19 Feb 2022 48th MarkStockwellZA 330 506 334ms 4 Jan 2022 49th brimanwebb 316 529 336ms 21 Nov 2021 49th arcpolaris 316 529 301ms 26 Mar 2025 51st roavin 309 541 311ms 6 Jan 2022 51st Shanethegamer 🇺🇸 309 541 311ms 13 Sep 2023 51st HumanoidCPU 309 541 351ms 24 Aug 2024 51st CaedenHarper 🇨🇦 309 541 331ms 24 Jan 2025 55th mokymok 🇺🇸 302 553 305ms 21 Nov 2021 55th retrohun 302 553 310ms 28 Dec 2022 55th LHLaurini 🇧🇷 302 553 341ms 13 Jul 2024 55th Mabeloid 🇳🇴 302 553 308ms 16 Sep 2024 55th prestosilver 🇺🇸 302 553 364ms 23 days ago 60th KatieLG-Transpiler 🇬🇧 300 557 359ms 23 Jun 2022 60th jacobly0 🇺🇸 300 557 322ms 15 Aug 2023 62nd RandGuy 276 606 320ms 31 Mar 2022 63rd jsermini2 275 607 309ms 21 Nov 2021 64th heathlarsen 197 849 321ms 6 Apr 2023 1–64 of 64
