The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Tic-tac-toe 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 241st ovs-code 🇩🇪 819 127 1,292ms 28 Jan 2025 242nd MeWhenI 🇻🇦 818 72 224ms 13 Jul 2025 243rd duckyluuk 🇳🇱 817 97 610ms 5 Feb 2025 244th inventshah 817 140 86ms 18 Apr 2025 245th DialFrost 🇸🇬 816 94 6ms 30 Jan 2025 246th edsrzf 🇳🇿 815 108 249ms 2 mins ago 247th stefangimmillaro 815 115 138ms 12 Feb 2025 248th sisyphus-ppcg 🇦🇺 814 56 29ms 3 Feb 2025 249th edsrzf 🇳🇿 814 110 120ms 10 Jul 2025 250th error256 813 110 18ms 17 Feb 2025 250th Kacarott 🇦🇺 813 110 17ms 17 Feb 2025 250th qpwoeirut 813 110 21ms 1 Oct 2025 253rd canissimia 🇦🇶 813 210 28ms 3 Apr 2025 254th KasperKivimaeki 🇫🇮 811 141 94ms 26 Jan 2025 255th Natanaelel 🇸🇪 809 62 52ms 25 Jan 2025 256th edsrzf 🇳🇿 808 69 11ms 19 Aug 2025 257th MeWhenI 🇻🇦 808 95 6ms 13 Jul 2025 258th acotis 808 162 197ms 21 Sep 2025 259th AlephSquirrel 805 111 18ms 31 Dec 2024 259th Natanaelel 🇸🇪 805 111 20ms 25 Jan 2025 259th bzijlema 🇳🇱 805 111 17ms 27 Jun 2025 259th edsrzf 🇳🇿 805 111 18ms 20 Aug 2025 263rd MeWhenI 🇻🇦 805 167 70ms 29 Jan 2025 264th lifthrasiir 🇰🇷 801 99 549ms 11 Feb 2025 265th edsrzf 🇳🇿 800 130 651ms 24 Sep 2025 266th ovs-code 🇩🇪 799 119 3ms 27 Jan 2025 267th jared-hughes 799 325 87ms 16 Mar 2025 268th sean-niemann 🇺🇸 798 112 19ms 26 Jan 2025 268th iliao2345 798 112 12ms 10 Jul 2025 270th stefangimmillaro 797 170 357ms 31 Jan 2025 270th sean-niemann 🇺🇸 797 170 350ms 31 Jan 2025 272nd Yax42 🇫🇷 796 105 412ms 15 Apr 2025 273rd Natanaelel 🇸🇪 795 68 1,485ms 25 Jan 2025 274th lynn 795 155 231ms 20 Oct 2025 275th kumavale 793 165 152ms 13 Sep 2025 276th emplv 🇱🇻 791 97 8ms 5 Feb 2025 277th commandblockguy 🇺🇸 791 113 17ms 28 Jan 2025 278th lynn 788 166 246ms 29 Jan 2025 279th Natanaelel 🇸🇪 786 58 3ms 25 Jan 2025 279th pardouin 🇫🇷 786 58 4ms 31 Jan 2025 281st stefangimmillaro 786 114 126ms 6 Feb 2025 282nd Shanethegamer 🇺🇸 784 157 184ms 17 Jan 2025 283rd edsrzf 🇳🇿 783 98 7ms 19 Aug 2025 284th Shanethegamer 🇺🇸 780 188 30ms 14 Mar 2025 285th AlephSquirrel 777 102 902ms 25 Jan 2025 286th ndren 777 115 15ms 1 Feb 2025 286th keelimeguy 🇺🇸 777 115 13ms 25 Apr 2025 288th KasperKivimaeki 🇫🇮 773 123 3ms 26 Jan 2025 289th SirBogman 🇺🇸 772 52 11ms 27 Jan 2025 290th solisolu 771 116 14ms 6 Nov 2025 291st SirBogman 🇺🇸 770 103 691ms 30 Jan 2025 292nd dylanarmstrong 768 94 11ms 21 Feb 2025 293rd error256 768 119 297ms 14 Feb 2025 294th sean-niemann 🇺🇸 768 147 7ms 31 Jan 2025 295th Shanethegamer 🇺🇸 767 99 148ms 16 Jan 2025 296th sisyphus-ppcg 🇦🇺 767 100 10ms 3 Feb 2025 297th MeWhenI 🇻🇦 766 109 126ms 31 Jan 2025 298th sean-niemann 🇺🇸 765 81 920ms 20 Sep 2025 299th plcc0 764 117 14ms 25 Feb 2025 299th KatieLG 🇬🇧 764 117 13ms 19 Oct 2025 301st albanian-laundromat 763 148 14ms 27 Jul 2025 302nd commandblockguy 🇺🇸 762 104 698ms 1 Sep 2025 303rd blaztoma 🇱🇹 758 118 13ms 22 Sep 2025 304th error256 756 82 991ms 11 Sep 2025 305th emgordon154 755 105 592ms 27 Jan 2025 305th DialFrost 🇸🇬 755 105 641ms 27 Jan 2025 307th retrohun 754 57 34ms 3 Feb 2025 308th Shanethegamer 🇺🇸 752 96 14ms 16 Jan 2025 309th edsrzf 🇳🇿 752 122 402ms 18 Sep 2025 310th edsrzf 🇳🇿 751 101 187ms 21 Aug 2025 311th davecame 751 119 18ms 5 Feb 2025 311th snoozingnewt 🇨🇦 751 119 29ms 3 hours ago 313th gastropner 748 127 3ms 10 Feb 2025 314th tailorspy 747 153 81ms 13 Mar 2025 315th moustave 745 120 20ms 12 Feb 2025 316th primo-ppcg 🇹🇭 744 96 75ms 3 Aug 2025 317th stefangimmillaro 743 176 178ms 31 Jan 2025 318th kkoenig 742 128 3ms 5 Sep 2025 319th error256 741 58 47ms 26 Jan 2025 320th Shanethegamer 🇺🇸 739 121 15ms 9 Jan 2025 First Prev 241–320 of 678 Next Last