The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Tic-tac-toe in Python 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st khvdm 1,000 72 14ms 5 Feb 2025 1st JayXon 🇺🇸 1,000 72 50ms 5 Feb 2025 3rd pardouin 🇫🇷 960 75 24ms 25 Jan 2025 3rd Seek64 🇩🇪 960 75 14ms 30 Jan 2025 3rd ZakkkkAttackkkk 🇵🇭 960 75 23ms 5 Feb 2025 3rd GolfingSuccess 🇬🇷 960 75 27ms 14 Feb 2025 3rd Steffan153 🇫🇮 960 75 21ms 8 Mar 2026 8th kg583 🇺🇸 947 76 23ms 29 Jan 2025 8th hallvabo 🇳🇴 947 76 25ms 18 Mar 2025 8th sean-niemann 🇺🇸 947 76 22ms 10 Mar 2026 11th Artemis21 🇬🇧 923 78 21ms 13 Feb 2025 11th emgordon154 923 78 19ms 7 Jun 2025 11th duckyluuk 🇳🇱 923 78 27ms 5 Jul 2025 14th anter69 🇭🇺 911 79 14ms 3 Feb 2025 14th lifthrasiir 🇰🇷 911 79 14ms 11 Feb 2025 16th qpwoeirut 900 80 23ms 2 Oct 2025 16th CornerMercury 🇬🇧 900 80 16ms 19 Nov 2025 18th iliao2345 889 81 14ms 10 Jul 2025 19th DavidAJL 878 82 26ms 8 Jan 2026 20th keelimeguy 🇺🇸 867 83 17ms 27 Apr 2025 20th ndren 867 83 16ms 20 Jul 2025 22nd plcc0 857 84 14ms 25 Feb 2025 22nd KatieLG 🇬🇧 857 84 14ms 19 Oct 2025 24th snoozingnewt 🇨🇦 847 85 29ms 22 Dec 2025 25th albanian-laundromat 🇺🇸 818 88 23ms 27 Jul 2025 26th Flekay 🇩🇪 791 91 29ms 15 Feb 2026 27th SB-945 783 92 21ms 31 Jan 2025 27th BREMAUCY 🇫🇷 783 92 17ms 6 Mar 2026 29th dokutan 766 94 21ms 1 Feb 2025 30th xnor-gate 758 95 33ms 27 Jan 2025 31st kops-cg 735 98 20ms 22 Feb 2025 32nd btnlq 727 99 18ms 3 Jan 2025 32nd m-tkach 🇺🇦 727 99 33ms 28 Jan 2025 32nd bizy-coder 727 99 23ms 29 Jan 2025 32nd bricknellj 727 99 19ms 21 May 2025 32nd rucin93 🇵🇱 727 99 12ms 31 May 2025 37th MeWhenI 🇻🇦 720 100 93ms 12 Jul 2025 37th nwellnhof 🇩🇪 720 100 22ms 16 Jul 2025 37th ryyyn 🇺🇸 720 100 59ms 3 Oct 2025 37th luuumine 🇫🇷 720 100 14ms 31 Oct 2025 41st ovs-code 🇩🇪 713 101 34ms 27 Jan 2025 41st stefangimmillaro 713 101 18ms 29 Jan 2025 43rd cefqrn 706 102 29ms 14 Feb 2025 44th 5cw 🇺🇸 692 104 20ms 1 Feb 2025 44th GrayJoKing 🇦🇺 692 104 18ms 2 Jul 2025 44th fourth-bit 692 104 20ms 23 Sep 2025 44th Fvirgilio 692 104 14ms 3 days ago 48th SirBogman 🇺🇸 686 105 19ms 29 Jan 2025 48th martindotexe 🇳🇴 686 105 13ms 14 Feb 2025 48th inventshah 686 105 16ms 14 Apr 2025 48th blaztoma 🇱🇹 686 105 15ms 26 Dec 2025 52nd error256 679 106 21ms 9 Feb 2026 53rd DialFrost 🇸🇬 673 107 20ms 26 Jan 2025 53rd ahmetdemirag 🇨🇾 673 107 22ms 14 Feb 2025 53rd xsot 🇸🇬 673 107 20ms 4 Jul 2025 53rd solisolu 673 107 14ms 24 days ago 57th FlorianCassayre 🇫🇷 667 108 22ms 31 Jan 2025 57th Bulmenisaurus 667 108 19ms 4 Feb 2025 59th btjones0 661 109 16ms 5 Feb 2025 59th Babafaba 661 109 27ms 22 Oct 2025 61st Kacarott 🇦🇺 655 110 20ms 17 Feb 2025 61st edsrzf 🇳🇿 655 110 19ms 9 Feb 2026 63rd AlephSquirrel 649 111 20ms 31 Dec 2024 63rd Natanaelel 🇸🇪 649 111 23ms 25 Jan 2025 63rd keegan-t 🇨🇦 649 111 16ms 20 Apr 2025 63rd bzijlema 🇳🇱 649 111 24ms 27 Jun 2025 63rd Emutis 🇱🇹 649 111 14ms 23 Mar 2026 68th commandz0 🇺🇸 637 113 20ms 28 Jan 2025 69th Lv0Sys 🇵🇱 621 116 16ms 22 Feb 2026 69th scpchicken 🇵🇼 621 116 29ms 5 days ago 71st 051 🇸🇬 615 117 20ms 11 Jan 2026 72nd davecame 605 119 20ms 5 Feb 2025 73rd moustave 600 120 20ms 12 Feb 2025 73rd firegene 🇮🇪 600 120 13ms 9 Feb 2026 73rd aksyristos 600 120 24ms 27 Mar 2026 73rd vang1ong7ang 600 120 21ms 2 days ago 77th Shanethegamer 🇺🇸 595 121 15ms 9 Jan 2025 78th chartung17 590 122 16ms 24 Mar 2025 78th souta-1326 590 122 14ms 27 Mar 2025 78th CaedenHarper 🇨🇦 590 122 16ms 20 Jul 2025 81st InigoK 🇺🇸 585 123 20ms 7 Sep 2025 82nd ImpressedByRocks 581 124 56ms 12 Feb 2025 83rd HETHAT 🇩🇿 576 125 17ms 30 Jan 2025 83rd StefanHabel 🇨🇦 576 125 17ms 1 Mar 2026 85th cros107 🇦🇺 571 126 24ms 25 Jul 2025 85th retrohun 571 126 26ms 6 Nov 2025 85th guilhem-roy 🇫🇷 571 126 22ms 22 Nov 2025 88th JunkIce 558 129 16ms 31 Jan 2025 88th KasperKivimaeki 🇫🇮 558 129 14ms 6 Jul 2025 88th BrunoVisnadi 🇧🇷 558 129 671ms 15 Feb 2026 88th Openstreetmapler 558 129 25ms 2 Mar 2026 92nd fuzzylojik-golf 🇺🇸 554 130 13ms 13 Jun 2025 93rd rollershutter 545 132 13ms 26 Mar 2025 94th wobblybits 541 133 19ms 15 Aug 2025 95th RaBa21 🇭🇺 529 136 17ms 12 Jul 2025 96th andrewjc2000 526 137 16ms 26 Aug 2025 97th aliberro39109 522 138 13ms 25 Jan 2025 98th evan18c 518 139 15ms 16 Apr 2025 99th Pyroan 511 141 18ms 15 Feb 2025 99th vhoulbreque 🇫🇷 511 141 18ms 2 Dec 2025 1–100 of 181 Next Last