The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
12 Days of Christmas in Python 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 595th sleepingtable 375 510 11ms 16 Sep 2022 595th Squidled 375 510 11ms 3 Jan 2023 595th PikeIt 375 510 9ms 14 Jun 2023 595th midnattssol 🇸🇪 375 510 10ms 27 Jul 2023 595th jtaxen 375 510 11ms 12 Jul 2024 595th VictorStenvers 🇳🇱 375 510 11ms 7 Oct 2024 595th ibixina 375 510 11ms 13 Oct 2024 595th kbeat 🇰🇿 375 510 10ms 6 Jun 2025 595th tails618 375 510 10ms 13 days ago 610th egelmex 374 511 10ms 15 Nov 2019 610th Nyandereian 374 511 19ms 15 Jul 2025 610th mathieurodic 374 511 18ms 21 Oct 2025 613th haydenridd 373 512 11ms 1 Jul 2020 613th xkacer 🇨🇿 373 512 17ms 1 Feb 2021 613th krcs 🇵🇱 373 512 10ms 25 Dec 2021 613th r-benson 🇬🇧 373 512 10ms 3 Apr 2023 613th ffelixm 373 512 10ms 22 May 2025 618th PFischbeck 372 513 9ms 11 Dec 2017 618th wilkij1 372 513 10ms 11 Jun 2018 618th NoKGamer 372 513 9ms 6 Jul 2021 618th Mikey-Beep 🇬🇧 372 513 10ms 9 Oct 2022 618th yishayv 372 513 11ms 22 Jan 2023 618th aalec 372 513 18ms 25 Apr 2024 618th ginop 372 513 11ms 3 Jul 2024 618th hamilton-bonds 372 513 11ms 29 Aug 2024 618th benjibon 372 513 11ms 11 Sep 2024 618th nulzo 372 513 10ms 17 Oct 2025 628th Deepztream 372 514 10ms 2 Sep 2018 628th Mojken 372 514 10ms 2 Sep 2018 628th fepe55 372 514 11ms 8 Oct 2018 628th Oscujic 372 514 10ms 10 Nov 2019 628th Malin001 372 514 10ms 3 Jan 2020 628th dtaylor0 372 514 10ms 25 Dec 2022 628th mrmena 🇦🇺 372 514 10ms 19 Mar 2024 628th LostSyntax21 🇬🇧 372 514 9ms 9 Dec 2024 628th Babafaba 372 514 12ms 29 Oct 2025 637th DarkTemplar5 371 515 10ms 19 Feb 2020 637th TheYMI 371 515 10ms 19 May 2020 637th winny- 371 515 10ms 28 Aug 2020 637th rollix 371 515 11ms 11 Dec 2021 637th QuantumNovice 371 515 9ms 3 Sep 2023 637th j3mak 371 515 10ms 19 Jan 2024 637th Deppyforce 371 515 10ms 13 Mar 2026 644th colinnewell 370 516 10ms 22 Dec 2017 644th AgathokakologicalBit 370 516 10ms 25 Jul 2019 644th katmh 370 516 10ms 31 Jan 2021 644th jcrutle 370 516 11ms 11 Oct 2022 644th Rythoka 370 516 10ms 17 Oct 2022 644th VictorFordham 370 516 10ms 19 Dec 2023 650th 0xDeadcell 369 517 11ms 22 Aug 2020 650th CameronGBell 369 517 10ms 31 Oct 2022 650th b10011 🇫🇮 369 517 18ms 26 Dec 2022 650th M450NCH00 369 517 11ms 4 Feb 2023 650th resoNathan 369 517 10ms 8 Jul 2024 650th IoLimmer 369 517 10ms 11 Jul 2024 650th Brokames 369 517 11ms 6 Jun 2025 657th Daniel-Martin576 369 518 10ms 1 Apr 2020 657th andrewgopher 369 518 10ms 28 Jul 2021 657th dlee888 369 518 10ms 17 Nov 2023 657th karadigm01 369 518 10ms 1 Mar 2026 661st GodEmperorCaterpie 368 519 10ms 5 Sep 2019 661st lemogne 368 519 10ms 9 Aug 2021 661st ToE42 368 519 10ms 7 Sep 2021 661st 104210 368 519 11ms 9 Nov 2022 661st tmanternach 368 519 10ms 23 Nov 2022 661st marcus-gomes-v 🇧🇷 368 519 10ms 23 Feb 2025 661st bradye31 368 519 10ms 20 Nov 2025 661st kayaulai 368 519 10ms 23 Nov 2025 669th Stockoh 🇫🇷 367 520 11ms 11 May 2021 669th Kasci 367 520 10ms 28 Dec 2021 669th azure-blondon 367 520 9ms 25 Dec 2023 669th joao-parreira 367 520 40ms 24 Apr 2024 669th kejcao 🇨🇦 367 520 18ms 10 May 2024 669th Florian-Mt 367 520 10ms 4 Dec 2025 675th mothcolada 🇺🇸 367 521 11ms 11 Mar 2021 675th nikhil9302 367 521 9ms 21 Nov 2021 675th LeeCamp 367 521 10ms 11 Dec 2021 675th jhpaques 🇫🇷 367 521 11ms 28 Dec 2022 675th WillConker 367 521 10ms 14 Jul 2023 675th 0xkarambit 367 521 10ms 24 Feb 2026 681st HemangRajvanshy 366 522 10ms 1 Apr 2020 681st nmgetahun 366 522 9ms 5 Dec 2022 681st pde-bakk 🇳🇱 366 522 10ms 21 Oct 2023 681st raflemakt 366 522 10ms 3 Jan 2024 681st codingisgreatbutiamnot 366 522 11ms 29 Jul 2024 681st Kowalskiexe 🇵🇱 366 522 11ms 19 Apr 2025 687th nickrodgers42 365 523 9ms 2 Oct 2020 687th piebot3000 365 523 10ms 13 Sep 2023 687th IdkWhatIsIdk 365 523 10ms 28 Oct 2024 687th OyuDays 365 523 10ms 17 Mar 2025 687th AdamMorris377 365 523 11ms 1 Jan 2026 692nd gardarjuto 365 524 10ms 16 Nov 2020 692nd xy3 🇮🇪 365 524 11ms 4 Jan 2022 692nd xenufo 365 524 10ms 14 Jul 2022 692nd james-downey 365 524 11ms 14 Jul 2022 692nd Argon1999 365 524 9ms 21 Oct 2022 697th NicoAdams 364 525 9ms 21 Nov 2021 697th sleepyStick 364 525 10ms 5 Apr 2022 697th ce-warren 364 525 10ms 26 Aug 2023 697th qwjhvbxi 364 525 10ms 5 Feb 2024 First Prev 601–700 of 1,182 Next Last