The Taxicab Numbers hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Arrows 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 401st neel11235813 725 90 722ms 3 Apr 2024 402nd stefangimmillaro 725 126 154ms 25 Nov 2022 403rd snoozingnewt 🇨🇦 725 162 3ms 10 Dec 2025 404th Shanethegamer 🇺🇸 724 91 346ms 2 Sep 2021 405th MeWhenI 🇻🇦 724 121 16ms 13 Jan 2022 406th stefangimmillaro 723 86 236ms 18 Dec 2021 406th SirBogman 🇺🇸 723 86 258ms 18 May 2024 408th coreynash 723 113 16ms 25 Sep 2023 409th elgan65536 🇺🇸 723 188 377ms 5 Mar 2024 410th adamnielson42 🇺🇸 722 100 14ms 22 Aug 2023 410th prplz 🇦🇺 722 100 14ms 29 Jan 2024 410th Anonymousellama21 722 100 14ms 7 Mar 2024 410th abc7-12 722 100 14ms 2 Jun 2024 410th 5cw 🇺🇸 722 100 10ms 9 Jun 2024 415th jared-hughes 722 141 471ms 17 Jul 2022 416th snoozingnewt 🇨🇦 720 162 1,917ms 10 Dec 2025 417th orthoplex 🇨🇽 718 80 51ms 1 Apr 2022 417th GrayJoKing 🇦🇺 718 80 43ms 7 Jul 2023 417th prplz 🇦🇺 718 80 53ms 29 Jan 2024 420th jared-hughes 718 113 3ms 3 Aug 2022 421st KatieLG 🇬🇧 717 91 606ms 6 Oct 2025 422nd janbehrens 🇩🇪 717 114 15ms 10 Jul 2023 422nd Andrey-Plotnikov 717 114 15ms 22 Aug 2023 422nd itserasmus 717 114 16ms 25 Jan 2024 422nd helbling 🇨🇭 717 114 24ms 8 Sep 2024 426th lynn 715 101 15ms 30 Aug 2021 427th primo-ppcg 🇹🇭 714 152 666ms 4 Mar 2022 428th annaproxy 714 207 165ms 28 Jul 2022 429th snoozingnewt 🇨🇦 713 125 539ms 10 Dec 2025 430th MichalMarsalek 🇨🇿 712 142 473ms 17 May 2024 431st primo-ppcg 🇹🇭 711 121 94ms 15 Oct 2023 432nd lynn 710 92 777ms 17 Feb 2024 433rd uttumuttu 🇫🇮 710 115 15ms 6 Jan 2022 433rd KatieLG 🇬🇧 710 115 13ms 13 Aug 2022 433rd ToriTheChicken 710 115 16ms 30 May 2023 433rd Argeento 🇵🇱 710 115 14ms 8 Sep 2023 437th stefangimmillaro 709 81 59ms 28 Jan 2022 437th ovs-code 🇩🇪 709 81 47ms 9 May 2023 439th lynn 709 153 665ms 23 Sep 2021 440th ndren 708 102 14ms 3 Aug 2025 441st dokutan 708 133 10ms 12 Mar 2026 442nd Shanethegamer 🇺🇸 708 174 42ms 2 Sep 2021 443rd Sp3000 🇦🇺 707 66 3ms 4 Nov 2021 444th emgordon154 707 143 414ms 4 days ago 445th 386asm 🇺🇸 706 134 44ms 7 May 2023 446th alphafalfa 705 91 3ms 20 Nov 2024 447th Waffle3z 705 115 2ms 2 Sep 2021 448th iliazeus 704 116 16ms 4 Sep 2022 448th unfinishedprogram 704 116 14ms 26 Oct 2023 448th CaedenHarper 🇨🇦 704 116 15ms 23 Aug 2025 451st ovs-code 🇩🇪 702 93 799ms 5 Aug 2024 452nd annaproxy 701 103 14ms 29 Nov 2022 452nd commandz0 🇺🇸 701 103 14ms 22 Aug 2023 452nd Seek64 🇩🇪 701 103 15ms 19 Sep 2024 452nd edsrzf 🇳🇿 701 103 14ms 19 Feb 2026 456th albanian-laundromat 🇺🇸 700 174 3ms 19 Dec 2025 457th jgbaldwinbrown 700 175 407ms 21 Jul 2022 458th GrayJoKing 🇦🇺 699 116 2ms 30 Nov 2022 459th Pimentero 🇷🇺 698 114 6ms 10 Nov 2022 460th dokutan 698 146 64ms 6 Nov 2025 461st Lv0Sys 🇵🇱 696 176 434ms 28 Feb 2026 461st emgordon154 696 176 348ms 15 hours ago 463rd MeWhenI 🇻🇦 696 185 35ms 7 Jun 2023 464th blaztoma 🇱🇹 695 104 35ms 22 Mar 2026 464th Emutis 🇱🇹 695 104 43ms 26 days ago 466th albanian-laundromat 🇺🇸 695 106 1,469ms 29 Sep 2025 467th dokutan 694 146 524ms 7 Nov 2025 468th 4very 692 118 14ms 10 Jun 2025 468th tetrogem 692 118 13ms 23 Aug 2025 468th snoozingnewt 🇨🇦 692 118 13ms 10 Dec 2025 471st edsrzf 🇳🇿 692 135 5ms 19 Feb 2026 472nd emgordon154 691 98 164ms 3 Mar 2025 473rd revlayle 🇺🇸 691 129 555ms 6 Jun 2023 474th snoozingnewt 🇨🇦 691 161 120ms 20 Nov 2025 475th AlephSquirrel 690 133 4ms 6 Aug 2024 476th madex 🇩🇪 689 178 369ms 29 hours ago 477th primo-ppcg 🇹🇭 688 105 14ms 4 Mar 2022 477th scpchicken 🇵🇼 688 105 30ms 15 days ago 477th vang1ong7ang 🇦🇶 688 105 13ms 3 days ago 480th emgordon154 688 177 3ms 4 days ago 481st DialFrost 🇸🇬 687 119 13ms 28 Sep 2023 481st CarsonChr 🇺🇸 687 119 19ms 6 Apr 2024 483rd dokutan 687 158 902ms 21 Feb 2026 484th emgordon154 686 51 60ms 16 Nov 2025 485th bbakersmith 684 128 16ms 7 Jun 2022 486th Kacarott 🇦🇺 683 126 85ms 9 Dec 2025 487th stefangimmillaro 682 106 14ms 12 Mar 2022 487th emplv 🇱🇻 682 106 14ms 16 Nov 2022 487th AlephSquirrel 682 106 12ms 27 May 2023 487th aksyristos 682 106 13ms 26 days ago 491st dokutan 682 108 1,110ms 17 Dec 2025 492nd two-bad 🇬🇧 681 120 15ms 7 Feb 2024 493rd Shanethegamer 🇺🇸 679 129 18ms 13 days ago 494th ShiraJoseph 🇺🇸 675 121 18ms 7 May 2022 495th AdrienHache 🇫🇷 675 132 556ms 30 Dec 2024 496th stefangimmillaro 674 118 6ms 6 Sep 2022 497th AlephSquirrel 673 97 676ms 21 Jan 2024 497th m-tkach 🇺🇦 673 97 751ms 29 Jan 2024 497th MeWhenI 🇻🇦 673 97 691ms 24 May 2024 500th stefangabos 🇷🇴 670 122 18ms 15 Sep 2022 First Prev 401–500 of 1,371 Next Last