The Taxicab Numbers hole will go live in approximately 3 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 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 501st PotatoSaladOverlord 550 163 17ms 14 Feb 2026 502nd Shanethegamer 🇺🇸 549 153 423ms 31 Jan 2025 503rd MeWhenI 🇻🇦 548 99 10ms 27 Jan 2025 504th Shanethegamer 🇺🇸 547 92 43ms 17 Jan 2025 505th TheZwierzLF 🇵🇱 547 145 1,212ms 14 Dec 2025 506th Babafaba 543 165 29ms 4 Nov 2025 507th Shanethegamer 🇺🇸 542 140 194ms 12 days ago 508th FlorianCassayre 🇫🇷 540 166 28ms 31 Jan 2025 508th noanabeshima 540 166 15ms 9 Jul 2025 508th yokasuretsu 540 166 15ms 11 Jul 2025 511th JDiLenarda 🇫🇷 538 222 1,840ms 26 Jun 2025 512th Shanethegamer 🇺🇸 537 163 19ms 16 Feb 2025 513th keegan-t 🇨🇦 537 167 15ms 16 Apr 2025 513th evan18c 537 167 16ms 16 Apr 2025 515th prestosilver 🇺🇸 534 174 442ms 14 days ago 516th CutSandstone 533 168 26ms 30 Jan 2025 516th sciencejiho 533 168 19ms 10 Feb 2025 516th dirckvdende 533 168 15ms 17 Jul 2025 519th prestosilver 🇺🇸 531 180 3ms 17 Nov 2025 520th jameswmccarty 530 169 19ms 9 Feb 2025 521st alexsave 528 137 31ms 8 Oct 2025 522nd dokutan 527 144 144ms 31 Jan 2025 523rd hiichbindermax 527 170 14ms 5 Feb 2025 524th Salutations45 524 138 14ms 13 Feb 2025 525th xyangst 521 139 28ms 14 Feb 2025 526th 77Tigers 521 172 16ms 13 Jan 2026 526th SectorCorruptor 521 172 15ms 13 Mar 2026 528th scpchicken 🇵🇼 520 184 3ms 13 days ago 529th YAJUE114514 518 173 15ms 30 Jul 2025 529th aalec 518 173 14ms 8 Nov 2025 531st JOrE20 517 140 13ms 14 Feb 2026 532nd isaiah0311 🇺🇸 514 186 3ms 1 Feb 2026 533rd nstearns96 🇬🇧 512 175 17ms 4 Feb 2025 534th Babafaba 509 156 688ms 4 Nov 2025 535th NerdyMcNerd42 509 176 16ms 20 Feb 2025 536th CatsAreFluffy 507 95 71ms 22 Feb 2025 537th MeWhenI 🇻🇦 505 514 83ms 13 Mar 2025 538th MeWhenI 🇻🇦 504 339 5ms 29 Jan 2025 539th albanian-laundromat 🇺🇸 503 108 48ms 25 Feb 2026 540th junkondo-jp 503 144 18ms 8 Feb 2026 541st nemoyatpeace 503 178 15ms 13 Jan 2026 542nd CarsonChr 🇺🇸 501 179 15ms 31 Jan 2025 543rd SuperFola 499 302 49ms 12 days ago 544th gastropner 495 181 23ms 10 Feb 2025 545th elttil 493 194 2ms 13 Feb 2025 546th JOrE20 492 182 15ms 29 Jan 2026 547th Feniske 🇫🇷 491 120 432ms 10 Feb 2025 548th Maltaran 🇵🇱 488 235 449ms 14 Feb 2025 549th Chinay-Domitrix 🇺🇸 484 174 2,459ms 2 Mar 2026 550th wuminws 481 175 2,644ms 19 Feb 2025 551st tatzyr 🇯🇵 479 105 45ms 26 Mar 2025 552nd adamnielson42 🇺🇸 479 187 14ms 10 Feb 2025 553rd MeWhenI 🇻🇦 479 436 12ms 27 Jul 2025 554th Pyroan 474 160 229ms 15 Feb 2025 555th Alban-Boissard 472 190 16ms 14 Jun 2025 556th viv511 472 243 494ms 13 Feb 2025 557th davidludwik2370 469 191 15ms 31 Jul 2025 557th To5BG 469 191 15ms 16 Nov 2025 559th Mikey-Beep 🇬🇧 467 192 21ms 7 days ago 560th heanyang1 466 205 2ms 3 Jun 2025 561st dokutan 464 134 797ms 30 Aug 2025 562nd janAkali 🇷🇺 464 200 470ms 14 Feb 2026 563rd michaelhodel 462 194 17ms 16 Nov 2025 564th msbranicky 459 195 17ms 1 Feb 2025 565th Robvdhout 458 158 13ms 10 Apr 2025 566th iczelia 🇩🇪 455 159 14ms 25 Oct 2025 567th msbranicky 455 185 2,489ms 2 Feb 2025 568th AstroOrbis 453 198 23ms 10 Feb 2026 568th Andrey2001 453 198 16ms 14 Feb 2026 568th Aquateraneal 🇺🇸 453 198 15ms 7 Mar 2026 571st Ripick 453 205 414ms 15 Apr 2025 572nd aditsu 448 188 2,491ms 10 Aug 2025 573rd kirjavascript 444 163 12ms 14 Feb 2025 574th CaedenHarper 🇨🇦 440 191 440ms 17 Oct 2025 575th scpchicken 🇵🇼 439 165 15ms 18 Mar 2026 576th weliveinhell 🇭🇹 436 166 21ms 18 Jun 2025 577th dokutan 433 194 461ms 1 Feb 2025 578th JunkIce 433 207 15ms 31 Jan 2025 579th snoozingnewt 🇨🇦 432 218 127ms 21 Nov 2025 580th maxgodfrey2004 🇨🇦 430 267 66ms 14 Feb 2025 581st amazingalek 🇳🇴 426 197 548ms 4 Jan 2026 582nd RedzGoose 🇦🇺 425 211 21ms 10 Feb 2025 583rd acollett89 423 171 12ms 14 Jul 2025 584th TheZwierzLF 🇵🇱 419 214 19ms 29 May 2025 585th tomh1012 418 201 502ms 12 Sep 2025 586th denkyuu1 416 121 39ms 28 Mar 2026 587th tomh1012 416 174 12ms 24 Mar 2026 588th yhm138 415 216 14ms 16 Feb 2025 588th te-chnical 415 216 14ms 1 Jan 2026 590th madeforlosers 414 175 14ms 5 Nov 2025 591st damagegithub 414 277 81ms 14 Feb 2026 592nd mbittner20 413 217 19ms 24 Feb 2025 592nd aaardwark 413 217 24ms 31 May 2025 594th Maltaran 🇵🇱 410 233 3ms 14 Feb 2025 595th CaedenHarper 🇨🇦 410 331 400ms 2 Nov 2025 596th blaztoma 🇱🇹 409 215 143ms 28 Nov 2025 597th Waffle3z 407 231 3ms 7 Feb 2025 597th Sciman101 407 231 5ms 17 Jan 2026 599th RaBa21 🇭🇺 405 221 15ms 13 Feb 2026 600th EthanJantz 404 222 16ms 10 Aug 2025 First Prev 501–600 of 774 Next Last