The Taxicab Numbers hole will go live in approximately 41 hours. Why not try and solve it ahead of time?
12 Days of Christmas 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 601st edsrzf 🇳🇿 639 476 128ms 1 Dec 2025 602nd makononov 637 521 175ms 28 Feb 2025 602nd KasperKivimaeki 🇫🇮 637 521 168ms 7 Oct 2025 604th MeWhenI 🇻🇦 636 522 204ms 13 Nov 2022 604th vidanm 🇫🇷 636 522 203ms 11 Jun 2025 606th petar-donchev 635 299 10ms 7 Sep 2019 606th frankgraziano 635 299 11ms 6 Jan 2023 608th Irratix 🇳🇱 635 417 3,846ms 30 Dec 2022 609th chris-araman 635 481 102ms 3 Jan 2022 610th user189032 635 499 124ms 29 May 2019 611th GinjaNinja32 635 523 202ms 16 Apr 2020 612th dokutan 634 268 77ms 12 Dec 2025 613th edsrzf 🇳🇿 634 321 7ms 19 Feb 2025 614th yzhs 🇩🇪 633 500 123ms 24 Jul 2021 615th ridingqwerty 🇺🇸 633 552 15ms 11 Jul 2022 616th Shanethegamer 🇺🇸 632 525 179ms 11 Dec 2022 617th strout 631 502 121ms 15 Aug 2022 618th msbranicky 631 526 194ms 6 Oct 2023 618th dokutan 631 526 132ms 17 Oct 2024 620th orthoplex 🇨🇽 631 712 2ms 30 Sep 2020 621st o0lit3 🇺🇸 630 323 6ms 16 Apr 2021 621st primo-ppcg 🇹🇭 630 323 7ms 16 Apr 2021 623rd primo-ppcg 🇹🇭 630 431 5ms 3 Jul 2023 624th MeWhenI 🇻🇦 630 505 6ms 13 Mar 2025 625th 0xEigenDev 630 560 2ms 28 Feb 2024 625th rbertram90 🇬🇧 630 560 4ms 29 Dec 2025 627th kaascevich 629 486 115ms 8 Jul 2025 628th scottpenn 629 528 141ms 4 Jan 2020 629th GrayJoKing 🇦🇺 628 486 20ms 19 Nov 2021 629th icendoan 628 486 2ms 11 Aug 2024 631st wangchning 628 586 7ms 6 Jun 2023 632nd Helam24 627 487 107ms 20 Jan 2020 633rd Natanaelel 🇸🇪 627 505 114ms 11 Mar 2022 633rd eddiesmithxyz 627 505 120ms 7 Jan 2023 635th klixel 🇨🇦 627 529 159ms 4 Jun 2023 636th MeWhenI 🇻🇦 626 325 6ms 15 Oct 2021 636th lynn 626 325 7ms 25 Jan 2022 636th AlephSquirrel 626 325 6ms 4 Oct 2024 639th JOrE20 626 506 122ms 1 Nov 2025 640th yamhab 🇨🇦 626 530 141ms 13 Sep 2023 641st bluebear94 625 252 142ms 12 Feb 2018 642nd Shanethegamer 🇺🇸 625 494 616ms 25 Sep 2025 643rd dokutan 625 613 2ms 27 Feb 2025 644th chunky 625 719 2ms 1 Oct 2020 645th Irratix 🇳🇱 623 508 116ms 18 Nov 2021 646th DaCuteRaccoon 623 533 171ms 2 Oct 2022 646th wackbyte 623 533 135ms 7 Nov 2023 646th blaztoma 🇱🇹 623 533 173ms 17 Aug 2025 649th GrayJoKing 🇦🇺 622 327 7ms 15 Feb 2023 649th blaztoma 🇱🇹 622 327 7ms 29 Mar 2026 651st 09cf 622 534 139ms 4 Oct 2023 652nd dokutan 621 497 486ms 30 Nov 2025 653rd ChristophHornung 620 395 402ms 12 May 2020 653rd fleischa 620 395 401ms 12 May 2020 655th Shanethegamer 🇺🇸 620 511 126ms 9 Jun 2022 656th ian-h-chamberlain 🇺🇸 620 535 171ms 26 Jul 2022 657th bwenstar 619 307 10ms 11 Aug 2022 658th dokutan 619 491 113ms 12 Dec 2025 659th dbdr 619 536 136ms 5 Jan 2020 659th deltaphc 619 536 134ms 7 Jan 2020 659th fantaize 619 536 158ms 10 Mar 2026 662nd JDiLenarda 🇫🇷 618 508 1,480ms 7 Oct 2020 663rd deerawj 617 538 141ms 7 Apr 2024 664th SirBogman 🇺🇸 616 496 119ms 18 Jan 2020 665th raphaelimahorn 616 501 453ms 12 Mar 2026 666th janbehrens 🇩🇪 615 442 5ms 3 Jul 2023 667th Liibe 615 502 501ms 25 Sep 2025 667th stefangimmillaro 615 502 788ms 6 Oct 2025 669th TheWhoAreYouPerson 615 540 156ms 4 Jan 2020 669th CatsAreFluffy 615 540 136ms 25 Nov 2024 671st annaproxy 614 497 14ms 15 Jun 2023 672nd msbranicky 614 498 95ms 15 Sep 2023 673rd MeWhenI 🇻🇦 613 517 118ms 17 Sep 2024 674th h3ra993huskp 🇯🇵 612 504 539ms 30 Nov 2025 675th NoUselessTech 612 542 139ms 20 Dec 2022 675th aumptl 🇦🇺 612 542 159ms 13 Nov 2024 675th elituf 612 542 144ms 4 Jan 2025 675th TannerJ07 🇺🇸 612 542 134ms 6 Apr 2025 679th Creative0708 🇨🇦 611 543 136ms 16 Dec 2023 680th primo-ppcg 🇹🇭 610 506 421ms 1 Aug 2021 681st gdyr 610 544 222ms 3 Mar 2023 682nd Hillsoft 609 520 123ms 31 Jul 2022 683rd lacroixjonathan87 608 447 4ms 4 Aug 2020 684th Luna1996 🇨🇳 608 524 3ms 9 Jan 2022 685th fraserli 🇦🇺 608 546 141ms 2 Jan 2022 686th olleicua 🇺🇸 607 304 38ms 10 Jan 2024 687th MWI-polygolf 607 503 107ms 6 Dec 2023 688th dokutan 606 578 113ms 3 Jul 2025 689th daisy-lau 605 356 12ms 3 Jul 2020 690th johnnythedoggie 605 505 102ms 10 Oct 2020 691st okaponta 605 549 148ms 13 Jan 2024 692nd BlankSpruce 604 492 340ms 24 Nov 2024 693rd namelessiw 604 511 519ms 6 Oct 2025 693rd kmathis22 604 511 486ms 14 Oct 2025 695th yujqiao 603 315 11ms 15 Dec 2025 696th rowan-OzRunways 603 507 94ms 15 Aug 2020 696th HumanoidCPU 603 507 95ms 5 May 2024 698th rak1507 🇬🇧 603 528 3ms 1 Apr 2021 699th mattiapenati 602 551 168ms 28 Nov 2020 699th mad4j 🇮🇹 602 551 145ms 3 Jul 2021 First Prev 601–700 of 4,127 Next Last
