The Tic-tac-toe hole will go live in approximately 45 hours. Why not try and solve it ahead of time?
Tutorial in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Maze Medal Tally 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 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 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Sphenic Numbers Star Wars GPT Tic-tac-toe Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 Maze Medal Tally 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 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 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Sphenic Numbers Star Wars GPT Tic-tac-toe Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 433rd voytxt 🇨🇿 0 74 3 days ago 452nd edsrzf 🇳🇿 0 75 21 Nov 2024 452nd GolfingSuccess 🇬🇷 0 75 25 Nov 2024 452nd emgordon154 0 75 28 Nov 2024 452nd GolfingSuccess 🇬🇷 0 75 6 Dec 2024 452nd annaproxy 0 75 24 Dec 2024 452nd DialFrost 🇸🇬 0 75 6 days ago 452nd desecaw13 0 75 4 days ago 452nd DialFrost 🇸🇬 0 75 3 days ago 460th Shanethegamer 🇺🇸 0 76 20 Nov 2024 460th Shanethegamer 🇺🇸 0 76 20 Nov 2024 460th edsrzf 🇳🇿 0 76 21 Nov 2024 460th emgordon154 0 76 27 Nov 2024 460th adamnielson42 🇺🇸 0 76 3 Dec 2024 460th SirBogman 🇺🇸 0 76 3 Dec 2024 460th MeWhenI 🇻🇦 0 76 11 Dec 2024 460th MeWhenI 🇻🇦 0 76 11 Dec 2024 460th MeWhenI 🇻🇦 0 76 11 Dec 2024 460th HumanoidCPU 0 76 23 days ago 460th HumanoidCPU 0 76 22 days ago 460th duckyluuk 🇳🇱 0 76 16 days ago 460th yb1yb1 0 76 10 days ago 460th AdrienHache 🇫🇷 0 76 6 days ago 460th Antibrain0 0 76 5 days ago 460th voytxt 🇨🇿 0 76 3 days ago 460th CLOStrophobic 🇮🇹 0 76 33 hours ago 477th Shanethegamer 🇺🇸 0 77 20 Nov 2024 477th JunkIce 0 77 24 Nov 2024 477th GolfingSuccess 🇬🇷 0 77 25 Nov 2024 477th GolfingSuccess 🇬🇷 0 77 25 Nov 2024 477th DialFrost 🇸🇬 0 77 26 Nov 2024 477th SirBogman 🇺🇸 0 77 3 Dec 2024 477th ndren 0 77 5 Dec 2024 477th CaedenHarper 🇨🇦 0 77 16 days ago 477th KasperKivimaeki 🇫🇮 0 77 5 days ago 477th error256 0 77 5 days ago 477th rucin93 🇵🇱 0 77 5 days ago 477th b-illy 🇬🇧 0 77 5 days ago 489th Jacob385 0 78 21 Nov 2024 489th KrausRaus 🇺🇸 0 78 9 Dec 2024 489th GolfingSuccess 🇬🇷 0 78 10 Dec 2024 489th MeWhenI 🇻🇦 0 78 11 Dec 2024 489th annaproxy 0 78 24 Dec 2024 489th HumanoidCPU 0 78 23 days ago 489th HumanoidCPU 0 78 22 days ago 489th ComputerKWasTaken 🇺🇸 0 78 35 hours ago 497th Shanethegamer 🇺🇸 0 79 20 Nov 2024 497th MichalMarsalek 🇨🇿 0 79 25 Nov 2024 497th JunkIce 0 79 3 Dec 2024 497th CaedenHarper 🇨🇦 0 79 9 Dec 2024 497th MeWhenI 🇻🇦 0 79 11 Dec 2024 497th duckyluuk 🇳🇱 0 79 16 days ago 503rd GolfingSuccess 🇬🇷 0 80 9 Dec 2024 503rd MeWhenI 🇻🇦 0 80 11 Dec 2024 503rd duckyluuk 🇳🇱 0 80 16 days ago 503rd duckyluuk 🇳🇱 0 80 16 days ago 503rd Kacarott 🇦🇺 0 80 5 days ago 508th Mandrzejy 🇵🇱 0 81 27 Nov 2024 508th JunkIce 0 81 3 Dec 2024 508th CaedenHarper 🇨🇦 0 81 9 Dec 2024 508th MeWhenI 🇻🇦 0 81 11 Dec 2024 508th HumanoidCPU 0 81 23 days ago 508th HumanoidCPU 0 81 23 days ago 514th edsrzf 🇳🇿 0 82 21 Nov 2024 514th GolfingSuccess 🇬🇷 0 82 25 Nov 2024 514th emgordon154 0 82 27 Nov 2024 514th emgordon154 0 82 27 Nov 2024 514th emgordon154 0 82 28 Nov 2024 514th MeWhenI 🇻🇦 0 82 11 Dec 2024 514th lifthrasiir 🇰🇷 0 82 12 Dec 2024 521st stefangimmillaro 0 83 20 Nov 2024 521st sean-niemann 🇺🇸 0 83 26 Nov 2024 521st Shanethegamer 🇺🇸 0 83 16 Dec 2024 521st Shanethegamer 🇺🇸 0 83 20 Dec 2024 521st HumanoidCPU 0 83 23 days ago Prev 451–525 of 827 Next