The Calendar hole will go live in approximately 31 hours. Why not try and solve it ahead of time?
Tongue-twisters in all languages 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 640th jakobkordez 🇸🇮 752 354 9ms 28 Oct 2022 642nd MeWhenI 🇻🇦 752 422 214ms 15 Feb 2022 643rd snoozingnewt 🇨🇦 751 358 129ms 29 Sep 2025 644th janbehrens 🇩🇪 751 401 381ms 17 Jun 2023 645th geofft 750 355 9ms 11 Dec 2020 645th jiaminglimjm 🇲🇾 750 355 9ms 9 Jan 2021 645th lovernj 750 355 9ms 28 Jan 2022 648th RedzGoose 🇦🇺 749 391 101ms 9 Sep 2024 649th orlikoski 749 395 2ms 8 Jan 2023 650th AdamMorris377 749 423 7ms 30 Aug 2024 651st CaedenHarper 🇨🇦 748 350 398ms 19 days ago 652nd inventshah 748 356 9ms 18 Nov 2022 652nd quimey 748 356 9ms 1 Jul 2023 654th rbertram90 🇬🇧 748 374 4ms 3 May 2025 655th snoozingnewt 🇨🇦 747 368 3ms 23 Oct 2025 656th adriweb 🇫🇷 747 381 2ms 29 Sep 2023 657th Yewzir 🇧🇪 747 392 98ms 28 Mar 2024 658th dokutan 746 333 2ms 19 Oct 2024 659th msbranicky 746 357 10ms 10 Jul 2023 660th snoozingnewt 🇨🇦 746 366 3,109ms 23 Oct 2025 661st TannerJ07 🇺🇸 746 425 111ms 5 Apr 2025 662nd tomh1012 743 365 8ms 9 Oct 2020 663rd ScottHamper 743 405 495ms 30 Nov 2025 664th TFeld00 🇩🇰 742 359 9ms 20 Oct 2020 665th MeWhenI 🇻🇦 742 427 7ms 23 Nov 2023 666th Yewzir 🇧🇪 741 395 110ms 11 Nov 2023 667th jared-hughes 740 344 34ms 26 Sep 2021 668th selketdaly 740 360 9ms 2 Feb 2021 668th Troon 740 360 10ms 16 Sep 2025 668th Emutis 🇱🇹 740 360 9ms 23 Sep 2025 671st blaircalderwood 739 367 8ms 25 Oct 2023 671st Lv0Sys 🇵🇱 739 367 9ms 26 days ago 673rd dokutan 738 330 41ms 15 Oct 2024 674th suwat513 738 361 9ms 22 Sep 2022 675th maxpelic 🇺🇸 737 368 9ms 6 Jul 2022 676th msbranicky 737 430 7ms 9 Aug 2023 677th dougbw 736 355 228ms 27 Apr 2021 678th cykim8811 736 362 9ms 11 Jul 2024 679th dev-loop0 735 353 3ms 24 Oct 2021 680th msbranicky 733 357 481ms 16 Jan 2024 681st primo-ppcg 🇹🇭 733 431 65ms 14 Jul 2021 682nd AdrienHache 🇫🇷 731 370 384ms 20 Dec 2024 683rd decorator-factory 730 365 9ms 6 May 2021 684th Yewzir 🇧🇪 730 392 5ms 16 Dec 2023 685th neel11235813 729 456 30ms 12 Jan 2023 686th JRaspass 🇬🇧 728 384 7ms 1 May 2021 687th msbranicky 728 488 3ms 25 Jul 2023 687th KatieLG 🇬🇧 728 488 481ms 7 Jun 2025 689th gaving-quadprep 727 311 52ms 29 Oct 2025 690th snoozingnewt 🇨🇦 727 372 368ms 9 Oct 2025 691st IISResetMe 726 360 215ms 10 Apr 2024 692nd codewrite 🇬🇧 726 367 9ms 11 May 2025 693rd jacobly0 🇺🇸 726 419 5ms 2 Sep 2023 694th error256 725 377 3,175ms 26 Oct 2024 695th dokutan 725 404 645ms 26 Mar 2025 696th OllieBoyne 🇬🇧 724 368 9ms 28 May 2022 696th jfallon1997 724 368 9ms 7 Sep 2022 698th btjones0 724 438 110ms 17 Jan 2021 698th Eolu 724 438 111ms 19 Jan 2022 700th cipharius 723 405 109ms 4 Feb 2021 701st Yewzir 🇧🇪 723 425 6ms 18 Dec 2024 702nd dokutan 723 442 39ms 15 Oct 2024 703rd JOrE20 🇺🇸 722 337 40ms 27 days ago 704th Re-Adventures 🇮🇳 721 388 5ms 8 Jul 2023 705th albanian-laundromat 721 400 41ms 1 Dec 2025 706th postie77 720 376 336ms 9 Dec 2022 707th MeWhenI 🇻🇦 720 395 1ms 15 Feb 2022 708th error256 720 418 585ms 24 Sep 2025 709th Yewzir 🇧🇪 720 436 1ms 13 Oct 2023 710th msbranicky 720 462 29ms 29 Sep 2023 711th primo-ppcg 🇹🇭 719 516 39ms 30 May 2025 712th Yewzir 🇧🇪 718 427 263ms 28 Oct 2023 713th chunky 718 486 1ms 29 Sep 2020 714th BREMAUCY 🇫🇷 717 429 7ms 14 Jan 2025 715th martinnorling 🇸🇪 716 372 9ms 25 Mar 2022 715th minhtrancccp 716 372 9ms 18 Oct 2023 717th BBoehm 🇩🇪 716 379 9ms 30 Dec 2020 718th Indivicivet 714 373 10ms 15 Mar 2021 719th Shanethegamer 🇺🇸 713 364 149ms 27 Mar 2021 720th tomh1012 712 374 9ms 9 Nov 2020 First Prev 641–720 of 2,369 Next Last