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 KasperKivimaeki 🇫🇮 661 248 444ms 10 Apr 2025 602nd Andriamanitra 🇫🇮 659 132 41ms 9 Oct 2023 603rd ForkKILLET 🇨🇳 659 197 1,102ms 29 Jul 2021 603rd owen-c-parker 🇺🇸 659 197 29ms 4 Apr 2023 605th duckyluuk 🇳🇱 659 235 140ms 13 Nov 2025 606th fgrosshans 🇫🇷 659 244 22ms 18 Jul 2022 607th voytasify 🇵🇱 659 249 426ms 21 Nov 2021 608th MeWhenI 🇻🇦 657 235 40ms 26 Aug 2023 609th rucin93 🇵🇱 657 309 179ms 10 Jul 2025 610th lowlighter 656 198 28ms 1 Nov 2020 611th Slonser 656 203 459ms 26 Jan 2026 612th za3k 656 245 23ms 12 Oct 2022 612th willdaspit 656 245 22ms 5 Aug 2023 614th JDiLenarda 🇫🇷 656 377 1,696ms 28 Oct 2020 615th olivermrose 🇺🇸 654 133 44ms 10 Oct 2021 615th olleicua 🇺🇸 654 133 41ms 20 Jan 2024 617th CedricGebistorf 654 246 24ms 5 Mar 2022 617th dirckvdende 654 246 29ms 12 Jul 2025 619th SirBogman 🇺🇸 653 128 36ms 26 Apr 2022 620th b97tsk 653 302 365ms 23 Apr 2020 621st eranws 652 199 25ms 17 Oct 2022 622nd dokutan 652 231 7ms 5 Sep 2024 623rd BlankSpruce 651 247 14ms 9 Sep 2022 624th Mandrzejy 🇵🇱 650 205 445ms 17 Mar 2025 625th ian-h-chamberlain 🇺🇸 650 327 162ms 26 Jul 2022 626th KatieLG 🇬🇧 649 134 43ms 26 Dec 2023 627th MeWhenI 🇻🇦 648 295 40ms 17 May 2023 628th 386asm 🇺🇸 646 239 48ms 4 May 2023 629th msrawson 646 249 23ms 4 Sep 2018 630th 0jdxt 🇬🇧 646 329 177ms 16 days ago 631st ovs-code 🇩🇪 644 162 2ms 19 Mar 2024 631st MostParsingVex 644 162 3ms 2 Jan 2025 633rd roupiq 🇵🇱 644 207 64ms 15 hours ago 634th MeWhenI 🇻🇦 644 256 33ms 13 Dec 2023 635th asheeri 643 250 36ms 15 Aug 2021 635th kmaork 🇮🇱 643 250 194ms 17 Aug 2023 635th alfonsoalves 643 250 22ms 21 Jul 2024 635th fredrik-bakke 🇳🇴 643 250 25ms 17 Mar 2025 639th ZoeyKD 641 251 262ms 14 May 2023 639th janbehrens 🇩🇪 641 251 21ms 24 Nov 2024 641st sean-niemann 🇺🇸 641 278 554ms 24 Sep 2025 642nd 0jdxt 🇬🇧 641 387 37ms 17 days ago 643rd emgordon154 640 136 50ms 14 May 2025 644th jared-hughes 640 208 450ms 2 Nov 2022 645th edsrzf 🇳🇿 640 308 350ms 25 Oct 2024 646th KaeruCT 639 203 18ms 2 Sep 2024 647th MeWhenI 🇻🇦 639 213 10ms 13 Dec 2023 648th Shanethegamer 🇺🇸 639 611 1,283ms 8 Apr 2025 649th KarstenHohmeier 638 172 6ms 7 Mar 2018 650th amishtal 638 252 20ms 1 Dec 2019 650th domingues 🇵🇹 638 252 487ms 9 Aug 2022 652nd roavin 638 257 542ms 5 Jul 2022 653rd bendiscz 638 309 339ms 21 Apr 2020 654th MeWhenI 🇻🇦 638 318 177ms 10 Sep 2022 655th Shanethegamer 🇺🇸 637 389 34ms 30 Dec 2022 656th uttumuttu 🇫🇮 636 204 184ms 4 Jan 2022 656th xShadowBlade 636 204 12ms 26 Dec 2024 658th FortuiteMan 🇫🇷 635 253 16ms 7 Dec 2025 659th prplz 🇦🇺 635 342 27ms 28 Sep 2021 660th H3XDaemon 633 165 2ms 20 Dec 2025 661st joegodbehere 633 254 16ms 30 Oct 2020 662nd msbranicky 632 321 11ms 10 Aug 2023 663rd lacroixjonathan87 631 174 6ms 10 Aug 2020 664th Chinay-Domitrix 🇺🇸 631 291 2,411ms 15 Mar 2026 665th Artemis21 🇬🇧 630 255 38ms 3 Jan 2025 665th lelbal 630 255 324ms 28 Aug 2025 667th ccbrown 630 313 387ms 21 Apr 2020 668th JRaspass 🇬🇧 628 141 1,277ms 30 Jan 2023 669th cesarm4 628 256 38ms 9 May 2021 669th ehulinsky 🇺🇸 628 256 22ms 16 May 2023 671st postie77 628 261 428ms 9 May 2023 672nd hacker112 🇸🇪 627 207 19ms 22 Jun 2024 672nd daniel-cardone 627 207 19ms 5 Jul 2025 674th Natanaelel 🇸🇪 627 255 3ms 15 Jun 2022 675th D-MOVE 🇵🇭 626 139 47ms 4 Feb 2026 676th bknower 626 257 45ms 29 Jun 2025 677th AdrienHache 🇫🇷 626 262 418ms 25 Apr 2024 678th Shanethegamer 🇺🇸 626 270 472ms 3 Mar 2022 679th sean-niemann 🇺🇸 625 213 72ms 3 Jun 2022 679th Alex-x90 🇺🇸 625 213 416ms 11 Jul 2023 681st isaacg1 625 340 186ms 4 Jan 2020 682nd strattonwhisler 624 208 42ms 29 Jun 2023 683rd Natanaelel 🇸🇪 624 317 152ms 5 Dec 2025 684th evanrittner 623 258 23ms 28 Dec 2021 684th elephantpanda 623 258 45ms 11 Aug 2022 686th CaedenHarper 🇨🇦 621 140 41ms 7 Sep 2025 687th ShiraJoseph 🇺🇸 621 209 34ms 12 Feb 2023 687th 52525rr 621 209 12ms 25 Feb 2026 689th jmerle 🇳🇱 621 210 589ms 19 Jun 2023 690th codingisgreatbutiamnot 621 259 237ms 27 days ago 691st tdashroy 621 264 468ms 21 Nov 2021 692nd lynn 619 135 36ms 12 Apr 2021 693rd Anonymousellama21 618 98 59ms 12 Apr 2024 694th nomennescio 618 169 2ms 9 Dec 2024 695th retrohun 618 191 40ms 2 Mar 2026 696th Kibble 618 210 22ms 11 Jul 2020 697th Starwort 🇬🇧 618 260 59ms 28 May 2019 697th cubed-guy 618 260 29ms 2 Oct 2021 699th targrik 618 319 343ms 28 Jul 2025 700th frozolotl 618 344 158ms 10 Jan 2020 First Prev 601–700 of 1,472 Next Last