The Tower of Hanoi hole will go live in approximately 17 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 901st Emutis 🇱🇹 460 138 16ms 4 Aug 2025 902nd msbranicky 460 159 324ms 2 Jan 2024 903rd Liibe 456 166 354ms 2 Oct 2025 904th pedro-a-soares 455 127 9ms 6 Dec 2023 905th AtengChen 454 140 12ms 14 Aug 2024 906th snoozingnewt 🇺🇸 454 158 26ms 15 Oct 2025 907th snoozingnewt 🇺🇸 453 92 51ms 15 Oct 2025 908th HumanoidCPU 450 139 116ms 5 Jun 2024 909th sidok 449 111 469ms 26 Apr 2024 910th aydamak 448 93 36ms 15 May 2024 911th ridingqwerty 🇺🇸 448 142 18ms 28 Dec 2023 911th CyberTapir 448 142 10ms 5 Sep 2024 911th wobblybits 448 142 48ms 20 Aug 2025 911th cthierfelder 🇲🇨 448 142 21ms 15 days ago 915th msbranicky 445 153 101ms 2 Jan 2024 916th sciencejiho 444 143 19ms 18 Oct 2024 916th Andrey135296 444 143 12ms 26 Oct 2024 918th Kaffeleif 444 156 12ms 13 Mar 2024 919th KatieLG 🇬🇧 441 131 59ms 13 Jun 2024 920th HumanoidCPU 441 165 2,925ms 24 Oct 2024 921st snoozingnewt 🇺🇸 439 115 7ms 15 Oct 2025 922nd sultan 438 145 11ms 3 Mar 2024 922nd alexeldridge 438 145 18ms 12 Aug 2024 922nd ComputerKWasTaken 🇺🇸 438 145 22ms 23 Apr 2025 925th BambooleanLogic 🇸🇪 437 132 26ms 1 Dec 2023 926th KatieLG 🇬🇧 436 100 120ms 2 Jan 2024 927th dokutan 436 124 141ms 26 Oct 2024 928th ridingqwerty 🇺🇸 435 141 616ms 25 Jan 2024 929th amollberg 🇸🇪 435 146 20ms 8 Jan 2024 930th janbehrens 🇩🇪 433 175 326ms 16 Dec 2023 931st dokutan 432 146 42ms 29 Oct 2024 932nd acollett89 431 134 23ms 5 Aug 2025 933rd snoozingnewt 🇺🇸 429 129 4ms 15 Oct 2025 934th epic-programmer-guy 428 170 197ms 3 Jan 2024 935th Alban-Boissard 426 149 45ms 14 Jun 2025 936th inverseLorentz 🇦🇺 426 171 196ms 6 Apr 2024 937th itserasmus 424 136 11ms 26 Jan 2024 938th snoozingnewt 🇺🇸 423 139 108ms 15 Oct 2025 939th CatsAreFluffy 423 172 206ms 17 Dec 2023 940th msbranicky 422 118 219ms 11 Jan 2024 941st msbranicky 422 169 12ms 2 Jan 2024 942nd dokutan 421 99 36ms 29 Oct 2024 943rd 77Tigers 421 151 11ms 22 Jun 2024 944th XenThe 🇬🇧 415 139 10ms 14 Sep 2025 945th jfallon1997 415 153 20ms 3 Jun 2024 946th snoozingnewt 🇺🇸 414 151 121ms 15 Oct 2025 947th snoozingnewt 🇺🇸 414 173 40ms 15 Oct 2025 948th olleicua 🇺🇸 409 141 24ms 20 Jan 2024 949th unfinishedprogram 407 142 10ms 5 Dec 2023 950th JunkIce 407 151 544ms 8 Jan 2025 951st AzroyAr 407 156 23ms 28 Dec 2023 952nd msbranicky 407 186 324ms 2 Jan 2024 953rd JunkIce 405 157 12ms 3 Dec 2024 954th snoozingnewt 🇺🇸 397 163 10ms 15 Oct 2025 955th dokutan 397 188 4ms 28 Oct 2024 956th nephila-nacrea 🇬🇧 396 113 3ms 6 Feb 2024 957th gigaprofisi 🇺🇸 395 146 11ms 4 Sep 2025 958th adoxography 395 161 16ms 22 Oct 2024 959th msbranicky 393 147 9ms 2 Jan 2024 960th gigaprofisi 🇺🇸 392 162 20ms 24 Jun 2025 961st alexsave 390 148 10ms 16 days ago 962nd xyangst 387 149 10ms 7 Oct 2024 963rd msbranicky 385 194 4ms 2 Jan 2024 964th Yewzir 🇧🇪 383 110 246ms 5 Feb 2024 965th didion0 🇺🇸 382 151 17ms 28 Aug 2025 966th msbranicky 379 110 36ms 2 Jan 2024 967th rifatx 379 193 378ms 11 Jul 2024 968th dokutan 376 119 3ms 31 Mar 2025 969th mrmena 🇦🇺 374 170 11ms 19 Mar 2024 970th Waffle3z 370 178 3ms 4 May 2024 971st Mabeloid 🇳🇴 369 217 296ms 31 Oct 2025 972nd snoozingnewt 🇺🇸 366 122 3ms 15 Oct 2025 973rd dokutan 365 124 7ms 23 Feb 2025 974th qwjhvbxi 365 174 11ms 6 Feb 2024 975th msbranicky 363 139 32ms 9 Jan 2024 First Prev 901–975 of 1,471 Next Last