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 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 601st edsrzf 🇳🇿 640 476 128ms 1 Dec 2025 602nd Santarii 640 495 119ms 7 Oct 2019 603rd hacker112 🇸🇪 639 337 16ms 17 Jun 2024 604th makononov 637 521 175ms 28 Feb 2025 604th KasperKivimaeki 🇫🇮 637 521 168ms 7 Oct 2025 606th MeWhenI 🇻🇦 636 522 204ms 13 Nov 2022 606th vidanm 🇫🇷 636 522 203ms 11 Jun 2025 608th petar-donchev 635 299 10ms 7 Sep 2019 608th frankgraziano 635 299 11ms 6 Jan 2023 610th Irratix 🇳🇱 635 417 3,846ms 30 Dec 2022 611th chris-araman 635 481 102ms 3 Jan 2022 612th user189032 635 499 124ms 29 May 2019 613th GinjaNinja32 635 523 202ms 16 Apr 2020 614th dokutan 634 268 77ms 12 Dec 2025 615th edsrzf 🇳🇿 634 321 7ms 19 Feb 2025 616th yzhs 🇩🇪 634 500 123ms 24 Jul 2021 617th ridingqwerty 🇺🇸 634 552 15ms 11 Jul 2022 618th MeWhenI 🇻🇦 632 505 6ms 13 Mar 2025 619th Shanethegamer 🇺🇸 632 525 179ms 11 Dec 2022 620th strout 631 502 121ms 15 Aug 2022 621st msbranicky 631 526 194ms 6 Oct 2023 621st dokutan 631 526 132ms 17 Oct 2024 623rd orthoplex 🇨🇽 631 712 2ms 30 Sep 2020 624th o0lit3 🇺🇸 630 323 6ms 16 Apr 2021 624th primo-ppcg 🇹🇭 630 323 7ms 16 Apr 2021 626th primo-ppcg 🇹🇭 630 431 5ms 3 Jul 2023 627th 0xEigenDev 630 560 2ms 28 Feb 2024 627th rbertram90 🇬🇧 630 560 4ms 29 Dec 2025 629th wangchning 630 586 7ms 6 Jun 2023 630th GrayJoKing 🇦🇺 629 486 20ms 19 Nov 2021 630th icendoan 629 486 2ms 11 Aug 2024 630th kaascevich 629 486 115ms 8 Jul 2025 633rd scottpenn 629 528 141ms 4 Jan 2020 634th Helam24 628 487 107ms 20 Jan 2020 635th klixel 🇨🇦 628 529 159ms 4 Jun 2023 636th Natanaelel 🇸🇪 627 505 114ms 11 Mar 2022 636th eddiesmithxyz 627 505 120ms 7 Jan 2023 638th MeWhenI 🇻🇦 626 325 6ms 15 Oct 2021 638th lynn 626 325 7ms 25 Jan 2022 638th AlephSquirrel 626 325 6ms 4 Oct 2024 641st JOrE20 626 506 122ms 1 Nov 2025 642nd yamhab 🇨🇦 626 530 141ms 13 Sep 2023 643rd dokutan 626 613 2ms 27 Feb 2025 644th bluebear94 625 252 142ms 12 Feb 2018 645th Shanethegamer 🇺🇸 625 494 616ms 25 Sep 2025 646th chunky 625 719 2ms 1 Oct 2020 647th Irratix 🇳🇱 624 508 116ms 18 Nov 2021 648th DaCuteRaccoon 623 533 171ms 2 Oct 2022 648th wackbyte 623 533 135ms 7 Nov 2023 648th blaztoma 🇱🇹 623 533 173ms 17 Aug 2025 651st jusaka 623 694 6ms 10 days ago 652nd GrayJoKing 🇦🇺 622 327 7ms 15 Feb 2023 652nd blaztoma 🇱🇹 622 327 7ms 29 Mar 2026 654th 09cf 622 534 139ms 4 Oct 2023 655th dokutan 621 491 113ms 12 Dec 2025 656th dokutan 621 497 486ms 30 Nov 2025 657th ian-h-chamberlain 🇺🇸 621 535 171ms 26 Jul 2022 658th ChristophHornung 620 395 402ms 12 May 2020 658th fleischa 620 395 401ms 12 May 2020 660th Shanethegamer 🇺🇸 620 511 126ms 9 Jun 2022 661st bwenstar 619 307 10ms 11 Aug 2022 662nd dbdr 619 536 136ms 5 Jan 2020 662nd deltaphc 619 536 134ms 7 Jan 2020 662nd fantaize 619 536 158ms 10 Mar 2026 665th JDiLenarda 🇫🇷 618 508 1,480ms 7 Oct 2020 666th deerawj 617 538 141ms 7 Apr 2024 667th SirBogman 🇺🇸 616 496 119ms 18 Jan 2020 668th raphaelimahorn 616 501 453ms 12 Mar 2026 669th janbehrens 🇩🇪 615 442 5ms 3 Jul 2023 670th annaproxy 615 497 14ms 15 Jun 2023 671st Liibe 615 502 501ms 25 Sep 2025 671st stefangimmillaro 615 502 788ms 6 Oct 2025 673rd TheWhoAreYouPerson 615 540 156ms 4 Jan 2020 673rd CatsAreFluffy 615 540 136ms 25 Nov 2024 675th msbranicky 614 498 95ms 15 Sep 2023 676th MeWhenI 🇻🇦 613 517 118ms 17 Sep 2024 677th NoUselessTech 613 542 139ms 20 Dec 2022 677th aumptl 🇦🇺 613 542 159ms 13 Nov 2024 677th elituf 613 542 144ms 4 Jan 2025 677th TannerJ07 🇺🇸 613 542 134ms 6 Apr 2025 681st h3ra993huskp 🇯🇵 612 504 539ms 30 Nov 2025 682nd Creative0708 🇨🇦 611 543 136ms 16 Dec 2023 683rd primo-ppcg 🇹🇭 610 506 421ms 1 Aug 2021 684th gdyr 610 544 222ms 3 Mar 2023 685th Hillsoft 609 520 123ms 31 Jul 2022 686th Luna1996 🇨🇳 609 524 3ms 9 Jan 2022 687th lacroixjonathan87 608 447 4ms 4 Aug 2020 688th MWI-polygolf 608 503 107ms 6 Dec 2023 689th fraserli 🇦🇺 608 546 141ms 2 Jan 2022 690th olleicua 🇺🇸 607 304 38ms 10 Jan 2024 691st dokutan 606 578 113ms 3 Jul 2025 692nd daisy-lau 605 356 12ms 3 Jul 2020 693rd BlankSpruce 605 492 340ms 24 Nov 2024 694th johnnythedoggie 605 505 102ms 10 Oct 2020 695th okaponta 605 549 148ms 13 Jan 2024 696th namelessiw 604 511 519ms 6 Oct 2025 696th kmathis22 604 511 486ms 14 Oct 2025 698th rak1507 🇬🇧 604 528 3ms 1 Apr 2021 699th yujqiao 603 315 11ms 15 Dec 2025 700th rowan-OzRunways 603 507 94ms 15 Aug 2020 First Prev 601–700 of 4,207 Next Last
