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 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 601st MeWhenI 🇻🇦 560 205 1,862ms 26 Aug 2023 602nd aditsu 559 325 2,662ms 11 Aug 2025 603rd RussellEmerine 559 351 141ms 10 Feb 2021 604th lacroixjonathan87 558 174 6ms 10 Aug 2020 605th RDShah 558 191 31ms 3 Feb 2020 605th dzshn 558 191 27ms 17 Aug 2022 607th splitlane 557 229 3ms 9 Mar 2023 608th Andrey135296 556 293 490ms 6 Oct 2023 609th skps2010 555 192 32ms 2 Jan 2019 609th daisy-lau 555 192 38ms 31 Jul 2020 609th kellantech 555 192 13ms 9 Dec 2025 612th Irratix 🇳🇱 555 238 445ms 3 Aug 2023 613th achimkrause 553 355 167ms 20 Dec 2019 614th cmdrsabre 553 431 119ms 31 Jan 2020 615th ovs-code 🇩🇪 552 67 99ms 17 Jul 2024 616th leon-w 552 193 22ms 5 Jan 2020 617th arcpolaris 552 295 533ms 11 Nov 2025 618th kirjavascript 552 383 178ms 12 Oct 2025 619th olivermrose 🇺🇸 551 110 43ms 14 Sep 2021 620th JunkIce 551 185 364ms 13 Feb 2025 620th 5cw 🇺🇸 551 185 24ms 3 May 2025 620th blaztoma 🇱🇹 551 185 32ms 20 days ago 623rd sean-niemann 🇺🇸 551 188 5ms 3 Jun 2022 624th martin-viggiano 551 355 378ms 1 Jul 2022 625th drabart 🇵🇱 550 240 66ms 8 Dec 2023 626th snoozingnewt 🇨🇦 550 433 124ms 20 Oct 2025 627th ovs-code 🇩🇪 549 164 146ms 17 Apr 2025 628th stefangimmillaro 548 186 20ms 6 Mar 2023 628th bizy-coder 548 186 24ms 23 Oct 2023 628th CaedenHarper 🇨🇦 548 186 20ms 11 days ago 631st inventshah 548 189 5ms 2 Apr 2025 632nd sean-niemann 🇺🇸 548 212 203ms 15 Aug 2023 633rd MateuszPietrzak 🇵🇱 548 241 444ms 8 Dec 2023 634th Kacarott 🇦🇺 548 398 8ms 23 Jul 2024 635th Natanaelel 🇸🇪 547 132 6ms 25 Oct 2023 636th bluebear94 547 195 20ms 4 Feb 2018 636th wansacis 🇩🇪 547 195 37ms 23 Jul 2021 636th smclaughlin-cf 547 195 11ms 11 Jun 2025 639th malworthy 547 298 425ms 12 Oct 2023 640th Pimentero 🇷🇺 545 178 7ms 9 Nov 2022 641st Bulmenisaurus 545 187 22ms 3 May 2025 642nd nking07049925 544 196 19ms 2 Jun 2024 642nd unfinishedprogram 544 196 14ms 20 Sep 2024 642nd alexsave 544 196 13ms 5 Nov 2025 645th dbut2 🇦🇺 544 360 326ms 15 Jul 2025 646th adlerzei 543 300 434ms 3 May 2022 647th luuumine 🇫🇷 542 188 26ms 9 Oct 2025 648th Alex-x90 🇺🇸 542 191 2ms 11 Jul 2023 649th arjanadriaanse 🇳🇱 542 362 150ms 24 Nov 2021 650th MeWhenI 🇻🇦 542 454 37ms 14 Jun 2023 651st HumanoidCPU 541 172 411ms 31 Mar 2025 652nd ForkKILLET 🇨🇳 541 197 1,102ms 29 Jul 2021 652nd owen-c-parker 🇺🇸 541 197 29ms 4 Apr 2023 654th ericlangedijk 🇸🇮 541 301 395ms 21 Mar 2022 655th jerrandolph 541 362 396ms 22 Dec 2023 656th jared-hughes 540 189 23ms 19 Jan 2023 657th Shanethegamer 🇺🇸 540 215 7ms 13 Nov 2022 658th m4c0 539 245 64ms 26 Jan 2022 658th Herbert00709 🇵🇱 539 245 447ms 12 Apr 2024 660th JRaspass 🇬🇧 539 363 363ms 23 Sep 2022 661st MeWhenI 🇻🇦 538 173 497ms 14 Mar 2026 662nd lowlighter 538 198 28ms 1 Nov 2020 663rd DialFrost 🇸🇬 538 202 90ms 28 Feb 2025 664th rucin93 🇵🇱 538 309 179ms 10 Jul 2025 665th Yewzir 🇧🇪 538 364 354ms 3 Jan 2024 666th AlephSquirrel 537 190 21ms 31 May 2023 667th Johannesd3 537 193 2ms 9 Apr 2021 668th arvidjonasson 537 246 455ms 8 Jun 2025 669th eranws 536 199 25ms 17 Oct 2022 670th jbyuki 536 238 3ms 28 Aug 2020 671st IISResetMe 534 156 1,813ms 14 Jan 2026 672nd WilliamDeBlieck 534 180 709ms 1 Mar 2026 673rd OllieBoyne 🇬🇧 534 191 22ms 7 Apr 2022 673rd htareque 534 191 20ms 12 Oct 2023 675th Szum123321 🇵🇱 534 396 192ms 20 Mar 2024 676th pandapawskat 533 182 6ms 9 Sep 2021 676th jb-lopez 🇺🇸 533 182 6ms 8 Nov 2021 678th zakariamouhid 533 200 50ms 4 Jun 2023 679th dokutan 533 248 66ms 28 Jun 2025 680th alemelis 532 159 1,607ms 15 Aug 2024 681st rak1507 🇬🇧 531 192 22ms 21 Oct 2021 681st LogicalJoe 531 192 21ms 17 Oct 2022 681st solisolu 531 192 20ms 11 days ago 684th marshallward 🇺🇸 531 356 42ms 6 May 2025 685th mrmena 🇦🇺 531 369 380ms 29 Mar 2024 686th Argeento 🇵🇱 530 170 154ms 3 Aug 2024 687th Natanaelel 🇸🇪 528 193 27ms 11 Apr 2024 688th h3ra993huskp 🇯🇵 528 335 675ms 30 Nov 2025 689th CaedenHarper 🇨🇦 526 177 570ms 11 days ago 690th marcin7Cd 526 194 22ms 24 Jul 2021 690th zhaohm14 526 194 21ms 22 Jul 2025 692nd rak1507 🇬🇧 524 156 36ms 2 Nov 2021 693rd christiankuhl 523 195 21ms 29 May 2021 694th MeWhenI 🇻🇦 523 318 177ms 10 Sep 2022 695th uttumuttu 🇫🇮 522 204 184ms 4 Jan 2022 695th xShadowBlade 522 204 12ms 26 Dec 2024 697th Shanethegamer 🇺🇸 522 309 397ms 6 May 2023 698th aliakseikalosha 522 339 520ms 14 Jun 2020 699th wiebecommajonas 522 405 191ms 31 Oct 2021 700th yevgeniyredko 521 313 461ms 3 Oct 2023 First Prev 601–700 of 1,461 Next Last