The Taxicab Numbers hole will go live in approximately 40 hours. Why not try and solve it ahead of time?
Forsyth–Edwards Notation 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 Huffman Encoder 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 Huffman Encoder 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 601st weliveinhell 🇭🇹 551 174 13ms 25 Sep 2023 602nd commandz0 🇺🇸 549 138 544ms 1 Sep 2025 603rd MeWhenI 🇻🇦 548 139 720ms 15 Sep 2025 604th Vaekor 547 149 12ms 9 Jul 2023 604th Emutis 🇱🇹 547 149 9ms 26 Oct 2025 606th MeWhenI 🇻🇦 546 151 16ms 14 days ago 607th ovs-code 🇩🇪 546 165 3ms 27 Sep 2024 608th acollett89 545 176 10ms 8 Aug 2025 609th DialFrost 🇸🇬 543 151 140ms 28 Oct 2024 610th dokutan 541 246 42ms 26 Aug 2024 611th FranklinJiaChen 540 151 11ms 3 Aug 2024 611th Anonymousellama21 540 151 11ms 9 Aug 2024 613th dokutan 538 230 3ms 5 Feb 2025 614th MeWhenI 🇻🇦 537 287 46ms 3 Jul 2023 615th AbhilashaTandon 536 152 11ms 21 Sep 2023 616th jerrandolph 536 288 348ms 2 Nov 2023 617th Maximizer02 534 185 9ms 10 Jan 2025 618th AlephSquirrel 533 153 10ms 1 May 2023 618th MaxElf999 533 153 10ms 2 May 2023 618th eiburns 533 153 11ms 5 May 2023 621st AlephSquirrel 530 143 501ms 21 Jan 2024 622nd MeWhenI 🇻🇦 530 296 34ms 6 Jun 2023 623rd snoozingnewt 🇨🇦 527 196 110ms 31 Oct 2025 624th snoozingnewt 🇨🇦 525 145 761ms 31 Oct 2025 625th madex 🇩🇪 525 185 1ms 23 Jul 2025 626th Natanaelel 🇸🇪 525 245 120ms 5 May 2023 627th dokutan 524 172 2ms 27 Dec 2025 628th adoxography 524 183 19ms 22 May 2023 629th hellwue 522 156 10ms 3 May 2023 629th hiichbindermax 522 156 10ms 4 May 2023 631st edsrzf 🇳🇿 518 156 69ms 3 Jul 2025 632nd Yewzir 🇧🇪 518 221 2,897ms 9 Feb 2024 633rd dokutan 517 119 38ms 21 Apr 2025 634th Mabeloid 🇳🇴 517 188 2ms 2 Oct 2024 635th alemelis 516 158 10ms 5 Oct 2024 635th Andrey135296 516 158 10ms 24 Nov 2024 637th Yewzir 🇧🇪 514 189 2ms 9 Feb 2024 638th andrewjc2000 513 159 9ms 30 Apr 2025 639th snoozingnewt 🇨🇦 512 147 472ms 27 Nov 2025 640th IISResetMe 511 140 249ms 3 Jan 2026 641st dokutan 511 220 208ms 29 Jun 2024 642nd snoozingnewt 🇨🇦 511 296 203ms 31 Oct 2025 643rd mrmena 🇦🇺 507 189 12ms 29 Mar 2024 644th chartung17 506 161 12ms 1 Jan 2024 645th Yewzir 🇧🇪 505 245 2ms 18 Jan 2024 646th tobyLovick 503 162 10ms 29 Nov 2023 647th amazingalek 🇳🇴 503 195 430ms 11 Jan 2026 648th Yewzir 🇧🇪 501 197 8ms 4 Apr 2024 649th msbranicky 501 231 1ms 28 Sep 2023 650th Babafaba 500 163 10ms 25 Oct 2025 651st dokutan 499 162 76ms 26 Jan 2026 652nd logalex8369 🇺🇸 499 192 11ms 18 Dec 2025 653rd adoxography 497 164 10ms 22 May 2023 653rd nstearns96 🇬🇧 497 164 11ms 12 Nov 2024 653rd snydej 497 164 10ms 21 Nov 2024 653rd kitotch 497 164 10ms 21 Mar 2026 657th daniel-cardone 497 193 12ms 8 Sep 2023 658th emgordon154 496 124 36ms 26 Jul 2024 659th Babafaba 495 153 428ms 25 Oct 2025 660th MeWhenI 🇻🇦 495 163 2ms 1 May 2023 661st rozium 494 165 11ms 11 Oct 2024 661st madex 🇩🇪 494 165 11ms 20 Jul 2025 663rd Solathian 492 122 4ms 26 Mar 2026 664th msbranicky 491 166 10ms 5 Aug 2023 665th CaedenHarper 🇨🇦 488 86 370ms 19 days ago 666th Schmitt-Very-Cool 488 273 547ms 26 Sep 2025 667th KatieLG 🇬🇧 486 163 1,346ms 1 May 2023 668th snoozingnewt 🇨🇦 486 279 116ms 8 Oct 2025 669th andre-lameirinhas 🇵🇹 485 168 10ms 5 May 2023 669th croc54 485 168 10ms 2 Dec 2024 669th BREMAUCY 🇫🇷 485 168 11ms 21 Aug 2025 672nd msbranicky 484 202 99ms 18 Aug 2023 673rd ehulinsky 🇺🇸 482 169 11ms 16 May 2023 673rd briankuder 482 169 11ms 20 Jun 2023 675th xPMo 482 198 3ms 28 Jun 2024 676th adoxography 481 128 38ms 22 May 2023 677th kaptsanovb 479 170 10ms 24 Sep 2023 678th TaserTheFox 🇺🇸 477 171 11ms 1 May 2023 679th janbehrens 🇩🇪 477 200 10ms 1 May 2023 680th MeWhenI 🇻🇦 475 528 12ms 28 Aug 2023 681st CedricGebistorf 474 172 10ms 3 May 2023 681st inverseLorentz 🇦🇺 474 172 11ms 8 May 2023 681st stertooy 🇧🇪 474 172 36ms 20 Jun 2024 684th TheZwierzLF 🇵🇱 471 173 15ms 21 May 2025 685th The-Wolfson 471 288 136ms 9 Feb 2025 686th klixel 🇨🇦 471 321 172ms 23 Jul 2025 687th TheZwierzLF 🇵🇱 470 131 38ms 21 Dec 2025 688th prplz 🇦🇺 467 208 1ms 9 May 2023 689th Matter1024 🇮🇳 466 175 12ms 17 Feb 2026 690th celiendonze 🇨🇭 463 176 11ms 3 May 2023 691st PhysicDev 🇫🇷 460 177 10ms 25 May 2023 692nd yuchuehw 458 178 10ms 3 Jan 2024 693rd msbranicky 456 166 522ms 17 Jan 2024 694th mbittner20 455 179 10ms 27 May 2023 694th Wildst 455 179 10ms 7 Jul 2023 696th msbranicky 455 217 2,754ms 9 Jan 2025 697th TheZwierzLF 🇵🇱 454 167 457ms 22 Nov 2025 698th KatieLG-Transpiler 🇬🇧 453 180 11ms 16 Aug 2024 699th MeWhenI 🇻🇦 453 181 145ms 25 Oct 2024 700th HenryTy83 452 212 10ms 3 May 2023 First Prev 601–700 of 866 Next Last