The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Tongue-twisters in C# in bytes. 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 Bytes Time Submitted 1st JayXon 🇺🇸 1,000 275 404ms 4 May 2022 2nd Mukundan314 993 277 386ms 1 Jul 2025 3rd sisyphus-ppcg 🇦🇺 923 298 342ms 10 Mar 2022 4th tomtheisen 🇺🇸 920 299 370ms 14 Feb 2023 5th MeWhenI 🇻🇦 862 319 356ms 23 Nov 2021 5th Lydxn 🇨🇦 862 319 350ms 25 Nov 2021 7th stefangimmillaro 851 323 408ms 23 Aug 2024 8th namelessiw 841 327 391ms 14 Aug 2024 9th Gaddy 🇫🇷 838 328 326ms 5 May 2022 9th prplz 🇦🇺 838 328 371ms 23 Jan 2025 11th primo-ppcg 🇹🇭 802 343 335ms 21 Nov 2021 11th revlayle 🇺🇸 802 343 352ms 24 Jan 2022 13th dpethes 793 347 330ms 26 Jul 2022 14th dokutan 788 349 351ms 23 Mar 2025 15th iznax 786 350 323ms 21 Nov 2021 16th janbehrens 🇩🇪 781 352 328ms 21 Nov 2021 17th AdrienHache 🇫🇷 743 370 384ms 20 Dec 2024 18th snoozingnewt 🇨🇦 739 372 368ms 9 Oct 2025 19th postie77 731 376 336ms 9 Dec 2022 20th tomh1012 716 384 346ms 18 Nov 2025 21st amazingalek 707 389 378ms 20 hours ago 22nd mwarvik 🇳🇴 705 390 407ms 25 hours ago 23rd ScottHamper 698 394 333ms 21 Nov 2021 24th codewrite 🇬🇧 694 396 359ms 11 May 2025 25th Meowsan91 🇨🇿 693 397 319ms 21 Nov 2021 25th Yax42 🇫🇷 693 397 364ms 6 days ago 27th Yewzir 🇧🇪 674 408 310ms 10 May 2023 28th p-vf 🇨🇭 669 411 304ms 7 Jan 2022 29th najs91 666 413 379ms 14 Oct 2024 30th Seanharrs 656 419 339ms 10 Dec 2021 30th KatieLG 🇬🇧 656 419 370ms 7 May 2024 32nd vroup 🇩🇰 650 423 334ms 6 Sep 2023 33rd aliakseikalosha 649 424 336ms 21 Nov 2021 33rd alicethecatwhisperermeow 649 424 357ms 7 Aug 2024 35th arctouch-cristiannevianna 647 425 323ms 4 Mar 2024 36th bac0id 644 427 323ms 4 Jul 2022 36th rifatx 644 427 380ms 11 Jul 2024 38th BREMAUCY 🇫🇷 631 436 378ms 4 Jul 2025 39th hamhub7 629 437 329ms 2 Aug 2022 40th MiffOttah 619 444 381ms 28 Nov 2024 41st Romain-1 🇫🇷 607 453 314ms 6 May 2022 42nd daniel-skalik 🇨🇿 598 460 327ms 21 Nov 2021 43rd ChrisTheisen 583 472 329ms 19 Dec 2022 44th msbranicky 579 475 343ms 8 Aug 2023 45th bwat2 573 480 314ms 6 Apr 2023 46th jahakari 567 485 349ms 21 Nov 2021 47th ericlangedijk 🇸🇮 562 489 332ms 19 Feb 2022 48th MarkStockwellZA 543 506 334ms 4 Jan 2022 49th brimanwebb 520 529 336ms 21 Nov 2021 49th arcpolaris 520 529 301ms 26 Mar 2025 51st roavin 508 541 311ms 6 Jan 2022 51st Shanethegamer 🇺🇸 508 541 311ms 13 Sep 2023 51st HumanoidCPU 508 541 351ms 24 Aug 2024 51st CaedenHarper 🇨🇦 508 541 331ms 24 Jan 2025 55th mokymok 🇺🇸 497 553 305ms 21 Nov 2021 55th retrohun 497 553 310ms 28 Dec 2022 55th LHLaurini 🇧🇷 497 553 341ms 13 Jul 2024 55th Mabeloid 🇳🇴 497 553 308ms 16 Sep 2024 55th prestosilver 🇺🇸 497 553 364ms 24 days ago 60th KatieLG-Transpiler 🇬🇧 494 557 359ms 23 Jun 2022 60th jacobly0 🇺🇸 494 557 322ms 15 Aug 2023 62nd RandGuy 454 606 320ms 31 Mar 2022 63rd jsermini2 453 607 309ms 21 Nov 2021 64th heathlarsen 324 849 321ms 6 Apr 2023 1–64 of 64
