The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Rijndael S-box 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 600th luuumine 🇫🇷 304 207 2ms 26 Nov 2025 602nd msbranicky 303 591 2ms 1 Sep 2023 603rd Natanaelel 🇸🇪 297 212 1ms 4 Sep 2023 603rd iczelia 🇩🇪 297 212 1ms 17 Oct 2025 605th dokutan 297 788 3ms 1 Aug 2024 605th Shanethegamer 🇺🇸 297 788 3ms 6 Dec 2024 605th CaedenHarper 🇨🇦 297 788 3ms 20 Jan 2025 605th BREMAUCY 🇫🇷 297 788 3ms 13 Aug 2025 605th fuzzylojik-golf 🇺🇸 297 788 3ms 7 Sep 2025 605th JOrE20 297 788 3ms 29 Jan 2026 611th thisishowmymindworks 🇳🇴 296 348 10ms 11 Jun 2024 611th hacker112 🇸🇪 296 348 12ms 22 Jun 2024 613th dokutan 295 489 2ms 21 Jun 2025 614th MateuszPietrzak 🇵🇱 294 286 2,900ms 17 Jan 2024 615th bobbysq 294 291 11ms 20 May 2024 616th CaedenHarper 🇨🇦 293 215 3ms 30 Jan 2025 617th KatieLG 🇬🇧 292 783 2ms 2 Sep 2023 617th snoozingnewt 🇨🇦 292 783 2ms 7 Sep 2023 617th Shanethegamer 🇺🇸 292 783 2ms 16 Jan 2024 617th HumanoidCPU 292 783 2ms 16 Apr 2024 617th CaedenHarper 🇨🇦 292 783 1ms 22 Jan 2025 622nd KatieLG-Transpiler 🇬🇧 292 784 2ms 2 Sep 2023 622nd Mabeloid 🇳🇴 292 784 2ms 21 Sep 2024 624th brimstonetrader 291 294 96ms 10 Jan 2024 625th msbranicky 291 785 1ms 20 Sep 2023 626th logvp 289 218 1ms 1 Feb 2024 627th Stanbroek 289 291 66ms 18 Sep 2023 628th dokutan 289 354 387ms 20 Mar 2025 629th Yewzir 🇧🇪 288 219 2ms 7 Nov 2023 630th snoozingnewt 🇨🇦 286 220 2ms 17 Feb 2026 631st Shanethegamer 🇺🇸 285 788 127ms 4 Dec 2025 632nd janbehrens 🇩🇪 284 222 1ms 30 Dec 2023 633rd HumanoidCPU 284 790 111ms 4 Aug 2025 634th rifatx 283 223 1ms 16 Jul 2024 635th MeWhenI 🇻🇦 280 773 16ms 1 Sep 2023 635th Shanethegamer 🇺🇸 280 773 15ms 1 Sep 2023 635th snoozingnewt 🇨🇦 280 773 15ms 2 Sep 2023 635th msbranicky 280 773 15ms 13 Sep 2023 635th theunofficialcoder 280 773 15ms 7 Jan 2024 635th KatieLG 🇬🇧 280 773 15ms 17 Mar 2024 635th HumanoidCPU 280 773 15ms 16 Apr 2024 635th Mabeloid 🇳🇴 280 773 15ms 21 Sep 2024 635th CaedenHarper 🇨🇦 280 773 16ms 22 Jan 2025 635th JunkIce 280 773 16ms 24 Jan 2025 645th codereport 🇨🇦 279 226 1ms 18 Apr 2025 646th KatieLG 🇬🇧 279 805 114ms 20 Apr 2025 646th CaedenHarper 🇨🇦 279 805 117ms 1 Dec 2025 648th gastropner 278 227 1ms 17 Jul 2025 649th Shanethegamer 🇺🇸 277 782 68ms 1 Sep 2023 649th HumanoidCPU 277 782 67ms 27 May 2024 649th dokutan 277 782 70ms 30 Jul 2024 649th Mabeloid 🇳🇴 277 782 72ms 21 Sep 2024 649th CaedenHarper 🇨🇦 277 782 73ms 22 Jan 2025 654th dokutan 276 572 2,249ms 24 Oct 2024 655th hellwue 275 311 18ms 10 Sep 2024 655th HumanoidCPU 275 311 12ms 12 Nov 2025 657th KatieLG 🇬🇧 274 792 72ms 2 Sep 2023 658th robin-scragg 273 313 19ms 6 Jun 2025 659th JOrE20 273 391 42ms 18 Feb 2026 660th Mabeloid 🇳🇴 272 232 1ms 15 Oct 2025 661st theunofficialcoder 272 862 3ms 21 Jan 2024 661st plcc0 272 862 3ms 10 Apr 2025 661st HumanoidCPU 272 862 3ms 4 Aug 2025 664th Yewzir 🇧🇪 271 599 1,612ms 7 days ago 665th MeWhenI 🇻🇦 271 866 3ms 1 Sep 2023 666th KatieLG 🇬🇧 270 867 3ms 2 Sep 2023 666th KatieLG-Transpiler 🇬🇧 270 867 3ms 2 Sep 2023 668th crizin 🇰🇷 269 534 400ms 15 Sep 2023 669th HumanoidCPU 268 311 438ms 12 Nov 2025 670th KatieLG-Transpiler 🇬🇧 268 809 663ms 2 Sep 2023 671st bac0id 267 236 2ms 8 Jan 2025 672nd Jacob385 267 538 419ms 4 Aug 2024 673rd msbranicky 267 590 2,300ms 11 Jan 2025 674th JOrE20 267 768 4ms 29 Jan 2026 675th trinityy-7 266 237 1ms 10 Oct 2023 676th KatieLG 🇬🇧 266 769 3ms 11 Aug 2024 676th Shanethegamer 🇺🇸 266 769 3ms 11 Aug 2024 676th HumanoidCPU 266 769 3ms 13 Aug 2024 676th KatieLG-Transpiler 🇬🇧 266 769 3ms 16 Aug 2024 676th Mabeloid 🇳🇴 266 769 4ms 21 Sep 2024 676th CaedenHarper 🇨🇦 266 769 3ms 22 Jan 2025 676th snoozingnewt 🇨🇦 266 769 3ms 28 Sep 2025 683rd InigoK 🇺🇸 265 883 3ms 6 Aug 2025 684th peachey2k2 262 240 2ms 22 Nov 2025 685th msbranicky 262 638 145ms 1 Sep 2023 686th c0d3-4-F00d 🇩🇪 261 241 2ms 4 Dec 2023 687th helbling 🇨🇭 260 242 1ms 25 Jul 2024 688th Shanethegamer 🇺🇸 260 781 22ms 1 Sep 2023 688th KatieLG 🇬🇧 260 781 23ms 2 Sep 2023 688th KatieLG-Transpiler 🇬🇧 260 781 22ms 2 Sep 2023 688th snoozingnewt 🇨🇦 260 781 22ms 5 Sep 2023 688th vgamula 🇺🇦 260 781 22ms 6 Sep 2023 688th HumanoidCPU 260 781 22ms 16 Apr 2024 688th Mabeloid 🇳🇴 260 781 22ms 21 Sep 2024 688th dokutan 260 781 22ms 18 Oct 2024 688th CaedenHarper 🇨🇦 260 781 22ms 22 Jan 2025 697th ndren 260 782 25ms 20 Jan 2025 697th Stockoh 🇫🇷 260 782 23ms 9 Jan 2026 699th Martymoose98 258 244 1ms 30 May 2025 699th prestosilver 🇺🇸 258 244 2ms 20 Mar 2026 First Prev 601–700 of 1,430 Next Last