The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
brainfuck 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 601st btjones0 662 243 27ms 8 Jan 2021 601st guilhem-roy 🇫🇷 662 243 296ms 27 Jul 2023 603rd KasperKivimaeki 🇫🇮 662 248 444ms 10 Apr 2025 604th perlebach 🇨🇿 662 277 2,642ms 7 Jun 2025 605th JDiLenarda 🇫🇷 662 377 1,696ms 28 Oct 2020 606th rucin93 🇵🇱 660 309 179ms 10 Jul 2025 607th Andriamanitra 🇫🇮 659 132 41ms 9 Oct 2023 608th ForkKILLET 🇨🇳 659 197 1,102ms 29 Jul 2021 608th owen-c-parker 🇺🇸 659 197 29ms 4 Apr 2023 610th duckyluuk 🇳🇱 659 235 140ms 13 Nov 2025 611th fgrosshans 🇫🇷 659 244 22ms 18 Jul 2022 612th voytasify 🇵🇱 659 249 426ms 21 Nov 2021 613th Slonser 657 203 459ms 26 Jan 2026 614th lowlighter 656 198 28ms 1 Nov 2020 615th za3k 656 245 23ms 12 Oct 2022 615th willdaspit 656 245 22ms 5 Aug 2023 617th olivermrose 🇺🇸 654 133 44ms 10 Oct 2021 617th olleicua 🇺🇸 654 133 41ms 20 Jan 2024 619th CedricGebistorf 654 246 24ms 5 Mar 2022 619th dirckvdende 654 246 29ms 12 Jul 2025 621st SirBogman 🇺🇸 653 128 36ms 26 Apr 2022 622nd MeWhenI 🇻🇦 653 295 40ms 17 May 2023 623rd b97tsk 653 302 365ms 23 Apr 2020 624th eranws 652 199 25ms 17 Oct 2022 625th dokutan 652 231 7ms 5 Sep 2024 626th 386asm 🇺🇸 651 239 48ms 4 May 2023 627th BlankSpruce 651 247 14ms 9 Sep 2022 628th ian-h-chamberlain 🇺🇸 651 327 162ms 26 Jul 2022 629th Mandrzejy 🇵🇱 650 205 445ms 17 Mar 2025 630th KatieLG 🇬🇧 649 134 43ms 26 Dec 2023 631st MeWhenI 🇻🇦 647 256 33ms 13 Dec 2023 632nd 0jdxt 🇬🇧 647 329 177ms 15 days ago 633rd msrawson 646 249 23ms 4 Sep 2018 634th ovs-code 🇩🇪 644 162 2ms 19 Mar 2024 634th MostParsingVex 644 162 3ms 2 Jan 2025 636th roupiq 🇵🇱 644 207 64ms 5 hours ago 637th 0jdxt 🇬🇧 644 387 37ms 16 days ago 638th asheeri 643 250 36ms 15 Aug 2021 638th kmaork 🇮🇱 643 250 194ms 17 Aug 2023 638th alfonsoalves 643 250 22ms 21 Jul 2024 638th fredrik-bakke 🇳🇴 643 250 25ms 17 Mar 2025 642nd MeWhenI 🇻🇦 642 213 10ms 13 Dec 2023 643rd sean-niemann 🇺🇸 642 278 554ms 24 Sep 2025 644th jared-hughes 641 208 450ms 2 Nov 2022 645th ZoeyKD 641 251 262ms 14 May 2023 645th janbehrens 🇩🇪 641 251 21ms 24 Nov 2024 647th edsrzf 🇳🇿 641 308 350ms 25 Oct 2024 648th MeWhenI 🇻🇦 641 318 177ms 10 Sep 2022 649th Shanethegamer 🇺🇸 641 389 34ms 30 Dec 2022 650th emgordon154 640 136 50ms 14 May 2025 651st KarstenHohmeier 639 172 6ms 7 Mar 2018 652nd KaeruCT 639 203 18ms 2 Sep 2024 653rd Shanethegamer 🇺🇸 639 611 1,283ms 8 Apr 2025 654th amishtal 638 252 20ms 1 Dec 2019 654th domingues 🇵🇹 638 252 487ms 9 Aug 2022 656th roavin 638 257 542ms 5 Jul 2022 657th bendiscz 638 309 339ms 21 Apr 2020 658th prplz 🇦🇺 638 342 27ms 28 Sep 2021 659th uttumuttu 🇫🇮 636 204 184ms 4 Jan 2022 659th xShadowBlade 636 204 12ms 26 Dec 2024 661st FortuiteMan 🇫🇷 635 253 16ms 7 Dec 2025 662nd msbranicky 635 321 11ms 10 Aug 2023 663rd H3XDaemon 633 165 2ms 20 Dec 2025 664th joegodbehere 633 254 16ms 30 Oct 2020 665th lacroixjonathan87 632 174 6ms 10 Aug 2020 666th Artemis21 🇬🇧 631 255 38ms 3 Jan 2025 666th lelbal 631 255 324ms 28 Aug 2025 668th Chinay-Domitrix 🇺🇸 631 291 2,411ms 15 Mar 2026 669th ccbrown 630 313 387ms 21 Apr 2020 670th postie77 629 261 428ms 9 May 2023 671st Shanethegamer 🇺🇸 629 270 472ms 3 Mar 2022 672nd JRaspass 🇬🇧 628 141 1,277ms 30 Jan 2023 673rd Natanaelel 🇸🇪 628 255 3ms 15 Jun 2022 674th cesarm4 628 256 38ms 9 May 2021 674th ehulinsky 🇺🇸 628 256 22ms 16 May 2023 676th hacker112 🇸🇪 627 207 19ms 22 Jun 2024 676th daniel-cardone 627 207 19ms 5 Jul 2025 678th D-MOVE 🇵🇭 626 139 47ms 4 Feb 2026 679th sean-niemann 🇺🇸 626 213 72ms 3 Jun 2022 679th Alex-x90 🇺🇸 626 213 416ms 11 Jul 2023 681st bknower 626 257 45ms 29 Jun 2025 682nd AdrienHache 🇫🇷 626 262 418ms 25 Apr 2024 683rd isaacg1 626 340 186ms 4 Jan 2020 684th strattonwhisler 624 208 42ms 29 Jun 2023 685th Natanaelel 🇸🇪 624 317 152ms 5 Dec 2025 686th jmerle 🇳🇱 623 210 589ms 19 Jun 2023 687th evanrittner 623 258 23ms 28 Dec 2021 687th elephantpanda 623 258 45ms 11 Aug 2022 689th tdashroy 622 264 468ms 21 Nov 2021 690th CaedenHarper 🇨🇦 621 140 41ms 7 Sep 2025 691st ShiraJoseph 🇺🇸 621 209 34ms 12 Feb 2023 691st 52525rr 621 209 12ms 25 Feb 2026 693rd codingisgreatbutiamnot 621 259 237ms 26 days ago 694th lynn 619 135 36ms 12 Apr 2021 695th Anonymousellama21 618 98 59ms 12 Apr 2024 696th nomennescio 618 169 2ms 9 Dec 2024 697th retrohun 618 191 40ms 2 Mar 2026 698th Kibble 618 210 22ms 11 Jul 2020 699th Starwort 🇬🇧 618 260 59ms 28 May 2019 699th cubed-guy 618 260 29ms 2 Oct 2021 First Prev 601–700 of 1,516 Next Last