The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Quine in all languages 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 729th ceeb9 947 32 9ms 15 Jun 2024 729th wuzekai518 947 32 9ms 17 Jun 2024 729th Haksell 🇦🇶 947 32 11ms 19 Jun 2024 729th hacker112 🇸🇪 947 32 9ms 23 Jun 2024 729th CutSandstone 947 32 9ms 2 Jul 2024 729th cuboids 947 32 9ms 11 Jul 2024 729th codingisgreatbutiamnot 947 32 9ms 14 Jul 2024 729th csharpython 947 32 9ms 14 Jul 2024 729th rifatx 947 32 8ms 16 Jul 2024 729th hiichbindermax 947 32 9ms 28 Jul 2024 729th timhaj 🇸🇮 947 32 9ms 1 Aug 2024 729th Ythaenagor 947 32 9ms 5 Aug 2024 729th sjrct 947 32 9ms 5 Aug 2024 729th imelxr 🇮🇱 947 32 9ms 14 Aug 2024 729th Mathrew2012 947 32 9ms 15 Aug 2024 729th nickphe 947 32 11ms 19 Aug 2024 729th R4z0rX 947 32 9ms 20 Aug 2024 729th gallium-gonzollium 947 32 9ms 24 Aug 2024 729th TheCatGuy12321 947 32 10ms 26 Aug 2024 729th Mabeloid 🇳🇴 947 32 10ms 27 Aug 2024 729th Mikey-Beep 🇬🇧 947 32 9ms 2 Sep 2024 729th alemelis 947 32 9ms 13 Sep 2024 729th abhishekg999 947 32 9ms 22 Sep 2024 729th JesseNoEyes 🇺🇸 947 32 9ms 25 Sep 2024 729th xyangst 947 32 9ms 27 Sep 2024 729th dtbao20 🇻🇳 947 32 9ms 1 Oct 2024 729th smiksky 🇺🇸 947 32 9ms 16 Oct 2024 729th ahmetdemirag 🇨🇾 947 32 9ms 17 Oct 2024 729th griffinschreiber 947 32 9ms 1 Nov 2024 729th emgordon154 947 32 10ms 7 Nov 2024 729th wh3n3v3r 🇨🇿 947 32 9ms 8 Nov 2024 729th sciencedjinn 947 32 9ms 8 Nov 2024 729th OSYCh314 🇦🇺 947 32 9ms 15 Nov 2024 729th agreegious 947 32 9ms 17 Nov 2024 729th snydej 947 32 9ms 22 Nov 2024 729th Quirkly-Quasar 947 32 9ms 23 Nov 2024 729th JunkIce 947 32 9ms 3 Dec 2024 729th Quirkly-Quasar1 🇺🇸 947 32 9ms 8 Dec 2024 729th shenziyiszy 947 32 9ms 10 Dec 2024 729th croc54 947 32 10ms 16 Dec 2024 729th klixel 🇨🇦 947 32 9ms 17 Dec 2024 729th yujh-yujh 🇬🇸 947 32 9ms 3 Jan 2025 729th ryyyn 🇺🇸 947 32 10ms 7 Jan 2025 729th ridingqwerty 🇺🇸 947 32 10ms 15 Jan 2025 729th LostSyntax21 🇬🇧 947 32 9ms 19 Jan 2025 729th tte0 947 32 9ms 4 Feb 2025 729th plcc0 947 32 9ms 13 Feb 2025 729th DanielBash 947 32 10ms 15 Feb 2025 729th Languag3 947 32 9ms 27 Feb 2025 729th Pyroan 947 32 8ms 11 Mar 2025 729th SOONwasTaken 947 32 9ms 20 Mar 2025 729th not-a-pokemon 947 32 9ms 26 Mar 2025 729th mishak-sys 947 32 9ms 26 Mar 2025 729th Veham 947 32 8ms 9 Apr 2025 729th codereport 🇨🇦 947 32 9ms 19 Apr 2025 729th FEZfan 🇦🇺 947 32 9ms 22 Apr 2025 729th 0dyse 947 32 9ms 29 Apr 2025 729th andrewjc2000 947 32 9ms 30 Apr 2025 729th codewrite 🇬🇧 947 32 9ms 10 May 2025 729th greentruff 947 32 9ms 14 May 2025 729th 40fied4t 947 32 9ms 15 May 2025 729th TheZwierzLF 🇵🇱 947 32 9ms 20 May 2025 729th JOrE-Softwares 947 32 9ms 21 May 2025 729th erikji 947 32 9ms 23 May 2025 729th ffelixm 947 32 9ms 25 May 2025 729th Lv0Sys 🇵🇱 947 32 9ms 26 May 2025 729th RYSF13 🇨🇳 947 32 9ms 26 Jun 2025 729th gigaprofisi 🇺🇸 947 32 9ms 28 Jun 2025 729th YAJUE114514 947 32 9ms 1 Jul 2025 729th KasperKivimaeki 🇫🇮 947 32 9ms 2 Jul 2025 729th qpwoeirut 947 32 13ms 4 Jul 2025 729th Flekay 🇩🇪 947 32 9ms 10 Jul 2025 729th xiaoyiming123 947 32 9ms 11 Jul 2025 729th RaBa21 🇭🇺 947 32 9ms 12 Jul 2025 729th wuduculfre 947 32 9ms 21 Jul 2025 729th Upload-and-View 🇺🇦 947 32 9ms 23 Jul 2025 729th LuisGoncalves05 🇵🇹 947 32 12ms 29 Jul 2025 729th addmai 947 32 9ms 30 Jul 2025 729th wobblybits 947 32 8ms 16 Aug 2025 729th blaztoma 🇱🇹 947 32 9ms 5 Sep 2025 First Prev 1,201–1,280 of 5,604 Next Last