The Taxicab Numbers hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Tongue-twisters 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 501st msbranicky 638 421 4ms 15 Sep 2023 502nd ludwig-n 636 233 10ms 7 Apr 2021 502nd annaproxy 636 233 10ms 1 Nov 2021 502nd cingulataluke 636 233 11ms 27 Aug 2023 505th ybrodala 635 423 5ms 24 Aug 2021 506th JOrE20 635 539 4ms 19 Feb 2026 507th DialFrost 🇸🇬 634 236 37ms 7 Jan 2023 508th dokutan 634 239 211ms 14 Apr 2025 509th BrenSchaap 633 234 10ms 22 Oct 2021 509th jeff-at-tamer-dot-codes 🇺🇸 633 234 15ms 1 Jun 2023 511th nwellnhof 🇩🇪 632 338 421ms 31 Jul 2022 512th rollershutter 632 392 1ms 1 Jul 2024 513th Shanethegamer 🇺🇸 632 541 3ms 6 Dec 2024 513th CaedenHarper 🇨🇦 632 541 3ms 25 Jan 2025 513th prestosilver 🇺🇸 632 541 3ms 24 Nov 2025 516th dokutan 632 566 39ms 16 Jul 2024 517th MeWhenI 🇻🇦 631 344 416ms 27 Jul 2024 518th snoozingnewt 🇨🇦 631 368 103ms 23 Oct 2025 519th lynn 630 520 10ms 1 Jun 2021 520th madeforlosers 630 543 4ms 5 days ago 521st snoozingnewt 🇨🇦 629 216 3ms 23 Oct 2025 522nd sean-niemann 🇺🇸 629 260 429ms 10 Jan 2026 523rd snoozingnewt 🇨🇦 629 335 2ms 23 Oct 2025 524th emgordon154 629 369 173ms 24 Feb 2025 525th fischfood 629 427 5ms 15 Aug 2024 526th albanian-laundromat 🇺🇸 627 204 74ms 20 Nov 2025 527th orlikoski 627 395 2ms 8 Jan 2023 528th sean-niemann 🇺🇸 625 245 1,067ms 26 Nov 2024 529th c0d3-4-F00d 🇩🇪 625 316 1ms 29 May 2021 529th nwellnhof 🇩🇪 625 316 1ms 31 Jul 2022 531st MeWhenI 🇻🇦 625 362 2ms 13 Oct 2023 531st GolfingSuccess 🇬🇷 625 362 1ms 28 Oct 2023 533rd prplz 🇦🇺 625 380 55ms 13 Jul 2021 534th JOrE20 624 205 75ms 30 Dec 2025 535th ovs-code 🇩🇪 624 246 42ms 22 Aug 2024 536th stefangimmillaro 624 262 473ms 12 Oct 2023 537th WilliamKeating 623 238 10ms 24 Jan 2022 537th jatloe 623 238 11ms 29 Jan 2024 539th primo-ppcg 🇹🇭 623 295 1,471ms 19 Jul 2021 540th goblinrieur 🇫🇷 623 549 3ms 15 Jul 2023 541st tobeannouncd 622 355 115ms 10 Jan 2024 542nd edsrzf 🇳🇿 622 373 193ms 8 Jun 2025 543rd edsrzf 🇳🇿 621 300 107ms 6 Dec 2025 544th JDiLenarda 🇫🇷 621 354 1,716ms 2 Oct 2020 545th Babafaba 620 239 10ms 25 Oct 2025 546th prplz 🇦🇺 619 264 453ms 21 Nov 2021 547th KatieLG 🇬🇧 619 481 2ms 22 Aug 2024 548th stefangimmillaro 619 2,029 1ms 30 Nov 2021 549th annaproxy 618 357 115ms 24 Jan 2022 550th rucin93 🇵🇱 617 235 455ms 5 Jan 2026 551st jmerle 🇳🇱 617 240 10ms 19 Dec 2022 551st SB-945 617 240 10ms 17 Apr 2024 553rd sisyphus-ppcg 🇦🇺 615 236 455ms 17 Jan 2024 554th RaBa21 🇭🇺 615 241 10ms 17 Jul 2025 555th janAkali 🇷🇺 615 353 312ms 17 May 2025 556th m-tkach 🇺🇦 615 520 27ms 15 Jan 2024 557th snoozingnewt 🇨🇦 614 327 4ms 23 Oct 2025 558th MeWhenI 🇻🇦 614 385 367ms 23 Nov 2021 559th dpethes 613 387 55ms 26 Jul 2022 560th dokutan 612 244 425ms 20 Mar 2025 561st snoozingnewt 🇨🇦 612 355 309ms 23 Oct 2025 562nd albanian-laundromat 🇺🇸 612 400 41ms 1 Dec 2025 563rd Shanethegamer 🇺🇸 612 530 2ms 7 Feb 2026 563rd prestosilver 🇺🇸 612 530 3ms 20 Mar 2026 563rd CaedenHarper 🇨🇦 612 530 2ms 20 Mar 2026 566th prestosilver 🇺🇸 611 245 35ms 18 Nov 2025 567th dokutan 611 323 1ms 4 Apr 2024 568th HumanoidCPU 611 531 2ms 1 Jan 2026 568th KatieLG 🇬🇧 611 531 3ms 21 Feb 2026 568th madeforlosers 611 531 3ms 5 days ago 571st arjanadriaanse 🇳🇱 610 362 115ms 11 Jan 2022 572nd KatieLG 🇬🇧 610 586 39ms 29 Mar 2024 573rd sisyphus-ppcg 🇦🇺 609 232 3ms 23 Feb 2023 574th lynn 609 361 1,557ms 30 Nov 2021 575th KrausRaus 🇺🇸 608 442 5ms 21 Feb 2021 576th ovs-code 🇩🇪 607 239 523ms 2 May 2025 576th Babafaba 607 239 482ms 25 Oct 2025 578th Mabeloid 🇳🇴 607 244 19ms 17 Sep 2024 579th marcin7Cd 607 357 6ms 8 Feb 2021 580th snoozingnewt 🇨🇦 607 362 1,495ms 23 Oct 2025 581st hacker112 🇸🇪 606 298 14ms 20 Jun 2024 582nd jared-hughes 606 344 34ms 26 Sep 2021 583rd ovs-code 🇩🇪 605 253 470ms 23 Aug 2024 584th SephQ 604 248 43ms 9 Feb 2021 585th KrausRaus 🇺🇸 604 299 11ms 8 Oct 2020 586th dokutan 603 392 341ms 24 Mar 2025 586th albanian-laundromat 🇺🇸 603 392 352ms 4 Dec 2025 588th lynn 602 241 428ms 17 Feb 2024 589th snoozingnewt 🇨🇦 602 346 159ms 23 Oct 2025 590th FlorianCassayre 🇫🇷 602 2,086 1ms 23 Sep 2023 591st mokymok 🇺🇸 601 249 37ms 23 Jul 2021 592nd prplz 🇦🇺 601 317 436ms 26 Jun 2021 593rd jared-hughes 601 386 115ms 7 Mar 2022 593rd kgodara 601 386 117ms 6 Mar 2023 595th CarsonChr 🇺🇸 600 247 10ms 23 Sep 2022 596th chunky 600 486 1ms 29 Sep 2020 597th janbehrens 🇩🇪 600 546 10ms 2 Aug 2023 598th primo-ppcg 🇹🇭 599 256 41ms 11 Feb 2023 599th kkoenig 599 395 334ms 8 Sep 2025 600th dokutan 599 534 28ms 23 Feb 2026 First Prev 501–600 of 2,448 Next Last