The Tic-tac-toe hole will go live in approximately 5 hours. Why not try and solve it ahead of time?
Diamonds in all languages in bytes. 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 Bytes Time 1st saito-ta 🇯🇵 1,000 33 18 Aug 2022 1st clockworknazo 1,000 33 1 Sep 2022 1st primo-ppcg 🇹🇭 1,000 33 3 Oct 2022 1st HPWiz 🇳🇿 1,000 33 9 Feb 2023 1st ovs-code 🇩🇪 1,000 33 26 Mar 2023 6th Frowny 982 38 10 May 2021 6th ovs-code 🇩🇪 982 38 26 Mar 2023 8th xnor-gate 980 67 11 Oct 2022 8th Lydxn 🇨🇦 980 67 11 Oct 2022 8th pardouin 🇫🇷 980 67 23 Jan 2024 11th lynn 971 34 28 Feb 2023 11th emgordon154 971 34 10 Sep 2024 13th Lydxn 🇨🇦 971 53 22 Feb 2023 13th Steffan153 🇫🇮 971 53 28 Aug 2024 15th Sakisan 🇧🇪 966 43 24 Jul 2022 16th nwellnhof 🇩🇪 966 50 2 Dec 2021 17th lynn 966 68 2 Dec 2021 18th nwellnhof 🇩🇪 964 47 7 Jan 2022 19th ehouais 963 75 30 Nov 2018 19th rucin93 🇵🇱 963 75 9 Oct 2020 19th Argeento 🇵🇱 963 75 11 Oct 2020 19th Lydxn 🇨🇦 963 75 24 May 2022 19th Steffan153 🇫🇮 963 75 16 Feb 2023 19th sean-niemann 🇺🇸 963 75 16 Feb 2023 25th Lydxn 🇨🇦 958 50 24 May 2022 26th Lydxn 🇨🇦 953 69 17 Feb 2023 26th JayXon 🇺🇸 953 69 28 Oct 2023 26th Steffan153 🇫🇮 953 69 29 Aug 2024 29th TFeld00 🇩🇰 952 69 5 Oct 2020 29th nwellnhof 🇩🇪 952 69 30 Dec 2020 29th btnlq 952 69 31 Dec 2020 29th JayXon 🇺🇸 952 69 5 Jun 2021 29th m-tkach 🇺🇦 952 69 30 Nov 2021 29th GolfingSuccess 🇬🇷 952 69 2 Dec 2021 29th bricknellj 952 69 10 Dec 2022 29th PeterTillema 🇳🇱 952 69 11 Apr 2023 29th ovs-code 🇩🇪 952 69 7 Oct 2023 29th fourth-bit 952 69 22 Sep 2024 39th JayXon 🇺🇸 952 81 2 Jul 2022 39th rhdqor213 952 81 10 Aug 2024 41st btnlq 948 51 27 Dec 2020 42nd Lydxn 🇨🇦 946 61 6 Feb 2022 42nd ovs-code 🇩🇪 946 61 10 May 2024 42nd DialFrost 🇸🇬 946 61 16 May 2024 42nd Steffan153 🇫🇮 946 61 23 Aug 2024 46th pardouin 🇫🇷 946 65 27 Jun 2024 47th Steffan153 🇫🇮 946 67 20 Jul 2024 47th Lydxn 🇨🇦 946 67 6 days ago 49th sisyphus-ppcg 🇦🇺 943 35 24 Jul 2022 49th GrayJoKing 🇦🇺 943 35 6 Aug 2022 51st JayXon 🇺🇸 942 91 19 Dec 2023 51st nwellnhof 🇩🇪 942 91 21 Sep 2024 53rd primo-ppcg 🇹🇭 939 51 5 Oct 2020 53rd sisyphus-ppcg 🇦🇺 939 51 3 Mar 2023 53rd saito-ta 🇯🇵 939 51 9 Jul 2024 56th btnlq 939 57 24 Aug 2024 57th xsot 🇸🇬 938 70 17 Sep 2023 57th bizy-coder 938 70 12 Nov 2023 57th neel11235813 938 70 23 Jan 2024 57th Steffan153 🇫🇮 938 70 20 Jul 2024 57th Rubiksmath 938 70 25 Jul 2024 57th 5cw 🇺🇸 938 70 31 Oct 2024 57th sean-niemann 🇺🇸 938 70 4 days ago 64th JayXon 🇺🇸 938 77 16 Dec 2023 65th lyphyser 935 59 31 Jul 2023 66th HPWiz 🇳🇿 935 84 14 May 2021 66th lynn 935 84 23 May 2021 68th xsot 🇸🇬 934 62 17 Feb 2024 68th sean-niemann 🇺🇸 934 62 17 Feb 2024 70th Lydxn 🇨🇦 933 87 25 Feb 2023 71st JayXon 🇺🇸 933 98 2 Jul 2022 72nd Lydxn 🇨🇦 932 66 16 Jan 2024 73rd JayXon 🇺🇸 931 62 17 Dec 2023 74th canissimia 🇦🇶 931 63 28 Jun 2022 74th saito-ta 🇯🇵 931 63 28 Jun 2022 1–75 of 2,067 Next