The Calendar hole will go live in approximately 10 days. 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 798th namelessiw 678 393 9ms 17 Apr 2024 798th qpwoeirut 678 393 9ms 1 Oct 2025 803rd dokutan 677 376 33ms 10 Feb 2025 804th HumanoidCPU 677 433 88ms 10 Nov 2025 805th dokutan 677 467 58ms 3 Jul 2025 806th aprzn123 676 394 9ms 3 Dec 2021 806th neihousaigaai 676 394 9ms 13 Feb 2024 806th FEZfan 🇦🇺 676 394 9ms 24 Apr 2025 809th ian-h-chamberlain 🇺🇸 676 469 110ms 15 Jul 2022 810th juliansiebert 🇩🇪 675 387 228ms 3 Dec 2022 811th olleicua 🇺🇸 675 402 8ms 21 Jan 2024 812th stellartux 674 385 187ms 26 Dec 2023 813th JOrE20 🇺🇸 674 395 10ms 17 days ago 814th JDiLenarda 🇫🇷 674 416 1,312ms 2 Oct 2020 815th MiranDaniel 🇨🇿 673 388 238ms 1 Sep 2023 816th Re-Adventures 🇮🇳 673 403 8ms 5 Oct 2020 816th jake-freeman 673 403 9ms 8 Dec 2020 816th BloodStormKnight 673 403 9ms 16 Oct 2022 819th Schmitt-Very-Cool 673 447 408ms 14 Oct 2025 820th andre-lameirinhas 🇵🇹 671 397 10ms 1 Mar 2021 820th YoranDS 671 397 10ms 25 Nov 2021 820th osmith93 671 397 9ms 14 Jun 2022 820th fredrik-bakke 🇳🇴 671 397 9ms 29 Sep 2022 820th bob-th 671 397 9ms 19 Nov 2023 820th gabe-gallegos 671 397 10ms 20 May 2024 826th neihousaigaai 671 404 8ms 1 Jun 2021 826th KingSkyrock 🇺🇸 671 404 9ms 14 Oct 2024 828th typeswitch-dev 🇵🇹 671 530 3ms 28 Jul 2023 829th msbranicky 671 555 1,668ms 17 Sep 2025 830th Yewzir 🇧🇪 670 449 434ms 2 Oct 2025 831st lynn 670 496 23ms 6 Aug 2023 832nd albanian-laundromat 669 391 527ms 20 Nov 2025 833rd vishwathg 669 398 9ms 16 Sep 2022 833rd DrPiranoid 669 398 9ms 20 Oct 2022 833rd Yewzir 🇧🇪 669 398 9ms 4 Feb 2024 833rd codingisgreatbutiamnot 669 398 9ms 14 Jul 2024 837th msbranicky 669 469 1ms 10 Oct 2023 838th rvdnieuwendijk 🇳🇱 668 391 268ms 30 Sep 2020 839th Yewzir 🇧🇪 668 415 2ms 5 Jul 2023 840th LHLaurini 🇧🇷 668 450 4,362ms 30 Jul 2024 841st dokutan 668 466 19ms 20 Jul 2025 842nd LucaArgentiUCF 🇮🇹 668 555 41ms 23 Jan 2021 843rd nullshallot 667 392 217ms 5 Jan 2025 844th feherd 667 399 10ms 30 Aug 2021 844th fgrosshans 🇫🇷 667 399 9ms 7 Jan 2022 844th mosho-p 667 399 9ms 11 Oct 2022 844th Omega65536 🇩🇪 667 399 10ms 22 Nov 2022 844th Artemis21 🇬🇧 667 399 9ms 2 Jan 2025 844th damoose717 667 399 9ms 24 May 2025 850th namelessiw 666 393 355ms 17 Apr 2024 851st The3gs 666 400 9ms 13 Oct 2020 851st Chimplement 666 400 11ms 18 Dec 2023 853rd XenThe 🇬🇧 665 408 8ms 30 Jun 2025 854th RockOfStone 665 428 1ms 30 Jul 2022 854th Phil-RGOMEGA 665 428 1ms 31 May 2023 856th jacklynnepenick 664 401 9ms 26 Aug 2021 856th lamorach 664 401 9ms 28 Mar 2024 858th msbranicky 664 421 4ms 15 Sep 2023 859th speles 🇺🇦 664 427 1ms 28 Oct 2023 860th dokutan 664 441 126ms 18 Oct 2024 861st dokutan 664 453 70ms 7 Apr 2024 862nd msbranicky 664 458 5ms 28 Aug 2023 863rd RyanMHsiao 664 561 1,701ms 25 Sep 2024 864th Yewzir 🇧🇪 663 408 310ms 10 May 2023 865th CallanMcNulty 663 409 8ms 7 Jun 2025 866th NewDefectus 🇮🇱 662 402 9ms 27 May 2021 866th wh3n3v3r 🇨🇿 662 402 9ms 13 Nov 2024 868th abailey2020 🇺🇸 661 403 10ms 7 Dec 2020 868th 2011-Chan-Ethan 661 403 9ms 5 Jul 2023 868th m42km 661 403 10ms 13 Nov 2023 868th luuumine 🇫🇷 661 403 9ms 6 Oct 2025 872nd Salutations45 661 410 9ms 12 Nov 2024 873rd ybrodala 661 423 4ms 24 Aug 2021 874th ryukoposting 661 429 2ms 3 Dec 2021 874th TeodorDyakov 🇧🇬 661 429 1ms 23 Jun 2024 876th BlankSpruce 661 455 96ms 17 Feb 2023 877th Mabeloid 🇳🇴 659 404 9ms 8 Sep 2024 878th Yewzir 🇧🇪 658 398 367ms 4 Feb 2024 879th lemogne 658 405 9ms 7 Aug 2021 879th BrenSchaap 658 405 10ms 22 Oct 2021 First Prev 801–880 of 2,362 Next Last
