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 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 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 Bytes Time Submitted 100th OllieBoyne 🇬🇧 616 151 19ms 6 Feb 2025 100th Mabeloid 🇳🇴 616 151 19ms 14 Feb 2025 103rd jatloe 608 153 35ms 17 Mar 2025 104th Fracture17 596 156 14ms 12 Feb 2025 105th bobbysq 592 157 18ms 4 Mar 2025 105th klixel 🇨🇦 592 157 17ms 19 Jul 2025 107th starfihs 589 158 20ms 10 Feb 2025 108th zgialor-lab 585 159 21ms 16 days ago 109th martindotexe 🇳🇴 581 160 13ms 14 Feb 2025 110th croc54 578 161 14ms 31 Jan 2025 110th netfri25 🇮🇱 578 161 29ms 20 Feb 2026 112th PotatoSaladOverlord 571 163 17ms 14 Feb 2026 113th Babafaba 564 165 29ms 4 Nov 2025 114th FlorianCassayre 🇫🇷 560 166 28ms 31 Jan 2025 114th noanabeshima 560 166 15ms 9 Jul 2025 114th yokasuretsu 560 166 15ms 11 Jul 2025 117th keegan-t 🇨🇦 557 167 15ms 16 Apr 2025 117th evan18c 557 167 16ms 16 Apr 2025 119th CutSandstone 554 168 26ms 30 Jan 2025 119th sciencejiho 554 168 19ms 10 Feb 2025 119th dirckvdende 554 168 15ms 17 Jul 2025 122nd jameswmccarty 550 169 19ms 9 Feb 2025 123rd hiichbindermax 547 170 14ms 5 Feb 2025 124th 77Tigers 541 172 16ms 13 Jan 2026 124th SectorCorruptor 541 172 15ms 13 Mar 2026 126th YAJUE114514 538 173 15ms 30 Jul 2025 126th aalec 538 173 14ms 8 Nov 2025 128th nstearns96 🇬🇧 531 175 17ms 4 Feb 2025 129th NerdyMcNerd42 528 176 16ms 20 Feb 2025 130th nemoyatpeace 522 178 15ms 13 Jan 2026 131st CarsonChr 🇺🇸 520 179 15ms 31 Jan 2025 132nd gastropner 514 181 23ms 10 Feb 2025 133rd JOrE20 511 182 15ms 29 Jan 2026 134th adamnielson42 🇺🇸 497 187 14ms 10 Feb 2025 135th Alban-Boissard 489 190 16ms 14 Jun 2025 136th davidludwik2370 487 191 15ms 31 Jul 2025 136th To5BG 487 191 15ms 16 Nov 2025 138th Mikey-Beep 🇬🇧 484 192 21ms 7 days ago 139th michaelhodel 479 194 17ms 16 Nov 2025 140th msbranicky 477 195 17ms 1 Feb 2025 141st AstroOrbis 470 198 23ms 10 Feb 2026 141st Andrey2001 470 198 16ms 14 Feb 2026 141st Aquateraneal 🇺🇸 470 198 15ms 7 Mar 2026 144th JunkIce 449 207 15ms 31 Jan 2025 145th RedzGoose 🇦🇺 441 211 21ms 10 Feb 2025 146th TheZwierzLF 🇵🇱 435 214 19ms 29 May 2025 147th yhm138 431 216 14ms 16 Feb 2025 147th te-chnical 431 216 14ms 1 Jan 2026 149th mbittner20 429 217 19ms 24 Feb 2025 149th aaardwark 429 217 24ms 31 May 2025 151st RaBa21 🇭🇺 421 221 15ms 13 Feb 2026 152nd EthanJantz 419 222 16ms 10 Aug 2025 153rd adaGrad1 417 223 15ms 3 Aug 2025 154th tomh1012 408 228 16ms 6 Mar 2026 155th Wonamm 399 233 15ms 14 Feb 2025 155th TheAtrossian 399 233 14ms 15 Feb 2025 157th FortuiteMan 🇫🇷 389 239 17ms 7 Jul 2025 158th Yewzir 🇧🇪 377 247 14ms 6 Feb 2025 159th wa1ker38552 373 249 16ms 11 days ago 160th MiLk 371 251 15ms 19 Feb 2025 161st Shotokhan 359 259 17ms 25 Sep 2025 162nd robin-scragg 356 261 16ms 11 Jul 2025 163rd Stockoh 🇫🇷 354 263 120ms 13 Feb 2025 164th lucasging 346 269 14ms 13 Jun 2025 165th omero-san 343 271 15ms 26 Sep 2025 166th Nikinator2704 317 293 14ms 1 Nov 2025 167th HumanoidCPU 306 304 17ms 26 Jan 2025 168th mintyproof 287 324 15ms 14 Feb 2025 169th atazzam 🇺🇸 284 328 16ms 14 Feb 2025 170th RobertBurs 269 346 14ms 26 Sep 2025 171st prplz 🇦🇺 268 347 18ms 14 Feb 2025 172nd Bit125 265 351 14ms 11 Feb 2025 173rd muser-logiccpu 🇺🇦 252 369 15ms 25 Aug 2025 174th kasarino 247 376 16ms 27 Feb 2026 175th zt14427 244 381 14ms 13 Feb 2025 176th navier-1 212 438 14ms 26 Sep 2025 177th Zhenyu-Bo 177 525 13ms 1 Aug 2025 178th kevinnaviapaiva 173 538 13ms 14 Feb 2025 179th Mefred 103 903 15ms 9 Feb 2026 180th AidanWalter 83 1,121 15ms 8 Feb 2025 181st KatieLG-Transpiler 🇬🇧 4 25,049 117ms 9 Jan 2026 First Prev 101–181 of 181