The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
DFA Simulator in all languages 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 401st bpharaldsson 487 196 13ms 13 Feb 2026 402nd klixel 🇨🇦 485 197 12ms 19 Jul 2025 402nd Babafaba 485 197 13ms 17 Nov 2025 402nd vhoulbreque 🇫🇷 485 197 16ms 26 Nov 2025 405th Bmrl7 483 198 12ms 23 Nov 2025 406th Shanethegamer 🇺🇸 481 181 250ms 1 Nov 2023 407th Yax42 🇫🇷 481 204 12ms 13 Feb 2026 408th StefanHabel 🇨🇦 475 201 14ms 17 Mar 2026 409th Code-Coder-coder 473 202 14ms 9 Feb 2026 410th snoozingnewt 🇨🇦 470 307 390ms 18 Oct 2025 411th jerrandolph 470 438 348ms 1 Nov 2023 412th Shanethegamer 🇺🇸 469 180 5ms 9 Nov 2023 413th Babafaba 465 193 385ms 17 Nov 2025 414th janbehrens 🇩🇪 464 190 408ms 9 Jan 2024 415th Pyroan 464 206 12ms 12 Mar 2025 416th MeWhenI 🇻🇦 463 188 294ms 7 Dec 2023 417th CaedenHarper 🇨🇦 461 208 860ms 20 Sep 2025 418th MeWhenI 🇻🇦 460 189 156ms 3 Aug 2024 419th roguh 🇬🇹 460 324 2ms 15 Oct 2024 420th Lv0Sys 🇵🇱 459 364 583ms 1 Mar 2026 421st MeWhenI 🇻🇦 458 308 9ms 27 Jun 2024 422nd snoozingnewt 🇨🇦 456 157 39ms 18 Oct 2025 423rd hiichbindermax 453 211 12ms 20 Nov 2023 423rd thienudomsrirungruang 453 211 12ms 1 Apr 2024 425th YAJUE114514 449 213 17ms 10 Dec 2025 426th VictorFordham 444 215 14ms 24 Nov 2023 427th alemelis 441 200 1,346ms 20 Sep 2024 428th CaedenHarper 🇨🇦 438 218 19ms 21 Sep 2025 429th amollberg 🇸🇪 434 220 15ms 14 Jan 2024 430th MeWhenI 🇻🇦 434 221 821ms 30 Aug 2025 431st snoozingnewt 🇨🇦 427 323 126ms 18 Oct 2025 432nd jgbaldwinbrown 427 349 2ms 14 Mar 2024 433rd snoozingnewt 🇨🇦 427 395 3,009ms 18 Oct 2025 434th blaztoma 🇱🇹 427 453 112ms 28 Nov 2025 435th snoozingnewt 🇨🇦 422 267 3ms 18 Oct 2025 436th Ripick 418 211 345ms 28 Jun 2025 437th CaedenHarper 🇨🇦 417 215 664ms 21 Sep 2025 438th CaedenHarper 🇨🇦 416 236 13ms 15 Sep 2025 439th IISResetMe 415 210 697ms 2 Dec 2025 440th jtaxen 415 230 12ms 8 Jun 2024 441st snoozingnewt 🇨🇦 413 457 34ms 18 Oct 2025 442nd snoozingnewt 🇨🇦 408 207 3ms 18 Oct 2025 443rd alemelis 408 234 42ms 11 Oct 2024 444th Schmitt-Very-Cool 408 462 467ms 26 Sep 2025 445th croc54 405 236 11ms 17 Dec 2024 446th dokutan 401 220 911ms 7 Mar 2024 447th fgrosshans 🇫🇷 400 239 14ms 7 Nov 2023 448th jameswmccarty 398 240 12ms 24 Feb 2025 448th Heathcorp 🇦🇺 398 240 12ms 12 Aug 2025 450th snoozingnewt 🇨🇦 398 247 11ms 18 Oct 2025 451st adoxography 396 241 13ms 19 Nov 2023 452nd snoozingnewt 🇨🇦 395 492 44ms 18 Oct 2025 453rd tomh1012 388 246 12ms 2 Mar 2026 454th neihousaigaai 387 247 12ms 7 Oct 2024 455th retrohun 385 339 56ms 18 Nov 2023 456th CaedenHarper 🇨🇦 385 489 624ms 7 Oct 2025 457th Mikey-Beep 🇬🇧 378 253 12ms 42 hours ago 458th galloj 🇨🇿 376 254 11ms 24 Nov 2023 458th MaxElf999 376 254 12ms 9 Feb 2024 460th snoozingnewt 🇨🇦 369 354 45ms 18 Oct 2025 461st msbranicky 369 413 17ms 1 Nov 2023 462nd MeWhenI 🇻🇦 368 355 121ms 18 Nov 2023 463rd logvp 366 261 13ms 6 Oct 2024 464th za3k 365 262 13ms 22 Jul 2025 465th msbranicky 365 563 325ms 1 Nov 2023 466th snoozingnewt 🇨🇦 360 418 198ms 18 Oct 2025 467th zakariamouhid 356 276 12ms 1 Nov 2023 468th msbranicky 356 462 10ms 1 Nov 2023 469th BREMAUCY 🇫🇷 354 270 13ms 21 Aug 2025 470th arcpolaris 354 403 578ms 3 days ago 471st JDiLenarda 🇫🇷 353 490 1,595ms 13 Sep 2024 472nd FortuiteMan 🇫🇷 351 272 10ms 14 Oct 2024 473rd Lv0Sys 🇵🇱 349 281 12ms 24 Feb 2026 474th KatieLG 🇬🇧 348 740 16ms 25 Aug 2024 475th alexjurkiewicz 🇦🇺 347 275 12ms 14 Nov 2023 476th Xzyaihni 345 607 240ms 1 Nov 2023 477th FranklinJiaChen 344 278 14ms 4 Jul 2024 478th BREMAUCY 🇫🇷 336 267 616ms 21 Aug 2025 479th madex 🇩🇪 335 625 352ms 8 Oct 2025 480th TheZwierzLF 🇵🇱 334 286 34ms 5 Jan 2026 481st msbranicky 330 633 257ms 1 Nov 2023 482nd jelleromer 329 290 29ms 19 Nov 2023 483rd snoozingnewt 🇨🇦 329 574 132ms 18 Oct 2025 484th CaedenHarper 🇨🇦 327 436 472ms 17 Oct 2025 485th TheZwierzLF 🇵🇱 324 221 67ms 6 Jan 2026 486th snoozingnewt 🇨🇦 324 364 2ms 18 Oct 2025 487th nemoyatpeace 322 297 22ms 29 Dec 2025 487th Lv0Sys 🇵🇱 322 297 15ms 24 Feb 2026 489th TheZwierzLF 🇵🇱 321 279 738ms 5 Jan 2026 490th msbranicky 321 298 17ms 1 Nov 2023 491st snoozingnewt 🇨🇦 321 538 1,617ms 18 Oct 2025 492nd mbittner20 320 299 13ms 12 Feb 2024 493rd iczelia 🇩🇪 319 308 11ms 17 Oct 2025 494th snoozingnewt 🇨🇦 319 442 5ms 18 Oct 2025 495th haighd 312 306 12ms 21 Nov 2023 496th madex 🇩🇪 308 310 13ms 8 Oct 2025 497th acollett89 303 324 13ms 8 Aug 2025 498th snoozingnewt 🇨🇦 303 491 2ms 18 Oct 2025 499th msbranicky 301 298 730ms 17 Jan 2024 500th ravnskjaer 🇩🇰 295 639 732ms 15 Dec 2025 First Prev 401–500 of 527 Next Last