The Tower of Hanoi hole will go live in approximately 23 hours. Why not try and solve it ahead of time?
Farey Sequence in all languages in bytes. 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 826th Stockoh 🇫🇷 517 123 10ms 23 Apr 2024 826th jatloe 517 123 21ms 24 Aug 2024 828th snoozingnewt 🇺🇸 516 125 2ms 15 Oct 2025 829th aksyristos 514 81 36ms 30 Nov 2024 830th janbehrens 🇩🇪 514 97 593ms 9 Jan 2024 831st Kokusui 🇯🇵 513 108 4ms 26 Jul 2024 832nd yuchuehw 512 124 21ms 15 May 2024 832nd Flekay 🇩🇪 512 124 20ms 11 Jul 2025 834th KatieLG 🇬🇧 510 109 1,050ms 2 Jan 2024 835th snoozingnewt 🇺🇸 509 136 9ms 15 Oct 2025 836th dokutan 509 156 4ms 26 Oct 2024 837th estomagordo 🇳🇱 508 125 11ms 25 Mar 2025 838th snoozingnewt 🇺🇸 508 143 2,115ms 15 Oct 2025 839th msbranicky 507 116 112ms 1 Jan 2024 840th typeswitch-dev 🇵🇹 507 151 4ms 25 Jun 2024 841st alphafalfa 506 107 2ms 26 Aug 2024 842nd dokutan 505 100 7ms 28 Oct 2024 843rd Vaekor 504 126 11ms 28 Feb 2024 844th msbranicky 501 111 976ms 2 Jan 2024 845th KatieLG 🇬🇧 501 170 4ms 3 Dec 2023 846th HumanoidCPU 498 132 79ms 5 Jun 2024 847th scpchicken 🇵🇼 497 90 3ms 13 Dec 2023 848th evnu 497 160 95ms 13 Oct 2025 849th 4ndyJ 🇬🇧 496 128 11ms 29 Feb 2024 850th msbranicky 496 142 25ms 6 Jan 2024 851st Yewzir 🇧🇪 494 101 183ms 26 Feb 2024 852nd Yewzir 🇧🇪 494 112 6ms 5 Feb 2024 853rd HumanoidCPU 493 129 20ms 5 Jun 2024 853rd CutSandstone 493 129 11ms 19 Jul 2024 853rd wh3n3v3r 🇨🇿 493 129 19ms 18 Nov 2024 856th dokutan 492 163 133ms 6 Nov 2024 857th snoozingnewt 🇺🇸 491 116 721ms 15 Oct 2025 858th MeWhenI 🇻🇦 490 89 107ms 1 Dec 2023 859th addmai 489 130 30ms 30 Jul 2025 860th dokutan 488 111 2ms 28 Apr 2025 861st HumanoidCPU 487 126 663ms 5 Jun 2024 862nd HumanEquivalentUnit 487 133 17ms 5 Dec 2023 863rd Protothor 485 119 10ms 20 Jul 2025 864th bjornmartensson 485 131 77ms 11 Dec 2023 864th Mabeloid 🇳🇴 485 131 19ms 11 Sep 2024 866th snoozingnewt 🇺🇸 484 112 2ms 15 Oct 2025 867th msbranicky 483 130 2ms 2 Jan 2024 868th michelebastione 🇮🇹 481 132 24ms 23 Dec 2023 868th CatsAreFluffy 481 132 30ms 31 Jan 2024 868th FranklinJiaChen 481 132 30ms 4 Aug 2024 871st msbranicky 481 134 2ms 2 Jan 2024 872nd tomh1012 481 152 422ms 17 days ago 873rd madeforlosers 479 113 2ms 8 Dec 2023 874th dokutan 478 140 50ms 29 Oct 2024 875th snoozingnewt 🇺🇸 475 167 4ms 15 Oct 2025 876th MaxCastella 🇫🇷 473 89 734ms 1 Dec 2023 877th snoozingnewt 🇺🇸 473 184 5ms 15 Oct 2025 878th CatsAreFluffy 472 130 578ms 31 Jan 2024 879th RockOfStone 471 140 7ms 23 Mar 2024 880th msbranicky 469 118 4ms 2 Jan 2024 880th dokutan 469 118 4ms 10 Apr 2025 882nd trinityy-7 469 123 24ms 6 Dec 2023 883rd Mabeloid 🇳🇴 469 131 496ms 17 Sep 2024 884th Feniske 🇫🇷 468 90 221ms 1 Dec 2023 885th emgordon154 467 62 2ms 1 Oct 2025 886th dokutan 467 135 1,274ms 31 Mar 2025 887th dokutan 466 126 110ms 26 Oct 2024 888th msbranicky 465 144 43ms 2 Jan 2024 889th f-tucker 464 137 31ms 24 May 2024 889th Jaydosu 464 137 13ms 26 Jun 2024 889th mbittner20 464 137 19ms 13 Apr 2025 892nd AsbestosSniffer 464 184 937ms 1 Dec 2023 893rd cmkb3 463 91 213ms 1 Dec 2023 894th msbranicky 463 117 2ms 6 Jan 2024 895th snoozingnewt 🇺🇸 462 145 54ms 15 Oct 2025 896th CatsAreFluffy 461 140 5ms 31 Jan 2024 897th Emutis 🇱🇹 460 138 16ms 4 Aug 2025 898th msbranicky 460 159 324ms 2 Jan 2024 899th Liibe 456 166 354ms 2 Oct 2025 900th pedro-a-soares 455 127 9ms 6 Dec 2023 First Prev 826–900 of 1,470 Next Last