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 501st QuincyNash 🇺🇸 602 177 15ms 29 Nov 2025 502nd SwordF-Official 🇺🇸 602 212 8ms 9 Sep 2025 503rd emgordon154 601 191 1,489ms 2 Feb 2026 504th NerdyMcNerd42 600 170 280ms 26 Oct 2022 505th FlyingPenguin223 600 248 5ms 13 Oct 2023 506th jared-hughes 599 173 2ms 1 Nov 2022 507th PatrickStephansen 🇿🇦 599 178 28ms 5 Mar 2021 507th iliazeus 599 178 19ms 10 Mar 2023 507th tayloia 🇬🇧 599 178 32ms 15 May 2023 507th LukeBridges 🇬🇧 599 178 18ms 14 Aug 2024 511th atenfyr 599 213 3ms 21 Jun 2020 511th Shanethegamer 🇺🇸 599 213 4ms 5 Oct 2024 511th Blendi-Goose 599 213 3ms 5 Oct 2025 514th janbehrens 🇩🇪 598 221 65ms 20 Nov 2022 515th ovs-code 🇩🇪 597 296 297ms 7 Jul 2024 516th kimbo 🇺🇸 597 328 370ms 16 Dec 2022 517th Aurel300 🇨🇭 597 354 166ms 6 Jun 2024 518th jakobkordez 🇸🇮 596 171 18ms 7 Nov 2022 518th 4atj 596 171 23ms 30 Jun 2025 520th TomatOid 595 174 2ms 26 May 2021 520th PurkkaKoodari 🇫🇮 595 174 2ms 23 Nov 2024 522nd Lv0Sys 🇵🇱 595 179 13ms 21 Dec 2025 523rd nwellnhof 🇩🇪 594 102 42ms 2 Jan 2022 524th liamLatour 593 172 18ms 21 Jul 2024 525th MeWhenI 🇻🇦 593 272 415ms 27 Jul 2024 526th stuarthighley 593 330 383ms 25 Apr 2020 527th rniii 592 180 14ms 21 Nov 2025 528th The3gs 592 357 159ms 28 Nov 2024 529th timvermeulen 591 358 176ms 4 Jan 2020 530th HumanoidCPU 590 173 21ms 31 Mar 2025 531st not-optikk 🇺🇸 588 217 3ms 14 Dec 2022 532nd MeWhenI 🇻🇦 588 253 14ms 13 Oct 2023 533rd Eolu 587 360 170ms 8 Apr 2021 533rd luuumine 🇫🇷 587 360 176ms 9 Dec 2025 535th ryyyn 🇺🇸 586 174 28ms 24 Apr 2025 536th urojony 🇵🇱 585 177 2ms 2 Jan 2021 537th lynn 584 245 209ms 22 May 2021 538th MrPsyware 583 336 354ms 16 Apr 2020 539th UladzimirSukharukau 582 104 42ms 15 Sep 2021 540th tianshuo 582 183 28ms 19 Jun 2019 540th Maznek 582 183 16ms 6 Feb 2025 542nd qrakhen 582 280 446ms 17 Nov 2025 543rd primo-ppcg 🇹🇭 581 164 80ms 17 Oct 2023 544th syntax-rules 580 253 77ms 4 May 2023 545th schachmattmatt 579 176 384ms 29 Sep 2021 546th HumanoidCPU 579 184 14ms 1 Apr 2025 547th user189032 579 339 199ms 29 May 2019 548th Mandrzejy 🇵🇱 578 179 2ms 14 Apr 2024 549th edsrzf 🇳🇿 577 272 115ms 16 Jul 2025 550th weliveinhell 🇭🇹 577 339 326ms 10 Aug 2024 551st lynn 576 87 6ms 14 Nov 2021 552nd zacjl 576 199 50ms 4 Nov 2025 553rd Xzyaihni 576 367 206ms 15 Jan 2024 554th antimon2 🇯🇵 575 147 2,069ms 12 Sep 2022 555th biocommando 🇫🇮 573 186 22ms 27 May 2023 555th NickTheEASDude 🇺🇸 573 186 18ms 26 Jan 2024 557th msbranicky 573 369 171ms 19 Sep 2023 558th MeWhenI 🇻🇦 572 231 65ms 29 Nov 2022 559th ovs-code 🇩🇪 571 106 48ms 23 Jul 2024 559th blaztoma 🇱🇹 571 106 41ms 20 days ago 561st lynn 570 179 37ms 17 May 2022 561st bricknellj 570 179 22ms 28 Oct 2022 561st Seek64 🇩🇪 570 179 25ms 19 Aug 2024 564th pandapawskat 570 187 25ms 16 Sep 2021 564th xyangst 570 187 15ms 28 Sep 2024 566th janbehrens 🇩🇪 569 311 621ms 24 Apr 2023 566th DialFrost 🇸🇬 569 311 677ms 18 Nov 2025 568th GrayJoKing 🇦🇺 568 127 5ms 22 Jun 2025 569th prestosilver 🇺🇸 568 284 425ms 3 days ago 570th TimCurwick 🇺🇸 567 147 329ms 6 May 2021 570th KevinMarquette 🇺🇸 567 147 310ms 27 Apr 2023 572nd ovs-code 🇩🇪 567 164 711ms 15 May 2024 573rd thbwd 567 180 134ms 21 Nov 2025 573rd bzijlema 🇳🇱 567 180 30ms 19 Mar 2026 575th fitzdotlol 🇺🇸 567 188 23ms 28 Mar 2022 575th wh3n3v3r 🇨🇿 567 188 21ms 8 Nov 2024 575th iczelia 🇩🇪 567 188 13ms 22 Sep 2025 578th MeWhenI 🇻🇦 567 205 8ms 15 Nov 2022 579th jwhear 🇺🇸 567 373 161ms 27 Sep 2024 580th primo-ppcg 🇹🇭 566 107 45ms 1 Nov 2021 581st prplz 🇦🇺 566 183 2ms 14 Aug 2020 582nd msbranicky 566 346 367ms 9 Jan 2025 583rd m-tkach 🇺🇦 564 165 451ms 23 Apr 2025 584th KarstenHohmeier 564 172 6ms 7 Mar 2018 585th mobibluman 564 189 16ms 1 Mar 2022 585th edsrzf 🇳🇿 564 189 16ms 19 Nov 2024 587th cbrt-x 564 348 165ms 8 Oct 2023 587th tobeannouncd 564 348 157ms 8 Jan 2024 589th HelloGravity 563 181 23ms 2 Aug 2022 589th inventshah 563 181 21ms 15 Nov 2022 589th fourth-bit 563 181 22ms 5 Dec 2022 589th thatbirdguythatuknownot 563 181 23ms 3 Feb 2024 593rd janbehrens 🇩🇪 563 184 2ms 21 Mar 2022 594th Skepfyr 562 376 178ms 4 Jan 2020 595th hellopatrick 562 438 34ms 29 Dec 2022 596th MeWhenI 🇻🇦 561 108 41ms 30 Dec 2023 596th stefangimmillaro 561 108 46ms 26 Dec 2024 598th Ultra814 561 190 14ms 13 Mar 2026 599th keelimeguy 🇺🇸 560 182 16ms 17 Dec 2023 600th dokutan 560 185 2ms 23 Jan 2026 First Prev 501–600 of 1,461 Next Last