The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Farey Sequence 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 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 Chars Time Submitted 751st msbranicky 568 128 2,857ms 9 Jan 2025 752nd dokutan 567 129 325ms 26 Oct 2024 752nd snoozingnewt 🇺🇸 567 129 349ms 15 Oct 2025 754th Ripick 566 99 11ms 1 Dec 2023 754th hellwue 566 99 10ms 22 Feb 2024 756th madeforlosers 563 112 45ms 8 Dec 2023 757th snoozingnewt 🇺🇸 562 121 111ms 15 Oct 2025 758th Natanaelel 🇸🇪 562 133 18ms 29 Dec 2023 759th snoozingnewt 🇺🇸 561 135 355ms 15 Oct 2025 760th snoozingnewt 🇺🇸 560 130 154ms 15 Oct 2025 761st Chinay-Domitrix 🇺🇸 559 130 2,048ms 23 days ago 762nd snoozingnewt 🇺🇸 558 170 26ms 15 Oct 2025 763rd jerrandolph 557 173 261ms 22 Dec 2023 764th msbranicky 556 112 81ms 8 Jan 2024 765th 051 🇸🇬 554 101 12ms 24 Dec 2023 766th mrmena 🇦🇺 553 114 48ms 11 May 2024 767th CarsonChr 🇺🇸 553 145 126ms 24 Dec 2023 768th JRaspass 🇬🇧 551 73 119ms 4 Jan 2024 769th kkoenig 551 117 2ms 22 Dec 2023 770th dokutan 551 132 2,717ms 26 Oct 2024 771st msbranicky 550 155 918ms 2 Jan 2024 772nd WillConker 549 102 27ms 10 Mar 2024 773rd MeWhenI 🇻🇦 548 115 71ms 1 Dec 2023 774th snoozingnewt 🇺🇸 546 156 2ms 15 Oct 2025 775th MWI-polygolf 545 137 4ms 7 Dec 2023 776th Apataras 545 139 311ms 3 Jul 2025 777th weliveinhell 🇭🇹 545 147 126ms 2 Dec 2023 778th markusgraube 544 103 10ms 22 Jun 2024 779th HumanoidCPU 542 119 2ms 5 Mar 2024 780th dokutan 541 77 38ms 29 Oct 2024 781st KadinSchultz 538 104 10ms 4 Dec 2023 781st cros107 🇦🇺 538 104 11ms 26 Dec 2023 781st JunkIce 538 104 14ms 24 Nov 2024 781st Lv0Sys 🇵🇱 538 104 10ms 30 May 2025 785th msbranicky 538 149 117ms 1 Jan 2024 785th snoozingnewt 🇺🇸 538 149 121ms 15 Oct 2025 787th janbehrens 🇩🇪 537 120 3ms 22 Dec 2023 788th msbranicky 536 151 166ms 2 Jan 2024 789th CatsAreFluffy 536 159 52ms 31 Jan 2024 790th msbranicky 535 117 114ms 2 Jan 2024 791st blaztoma 🇱🇹 534 78 32ms 24 days ago 792nd dokutan 534 104 847ms 29 Oct 2024 793rd madex 🇩🇪 533 105 11ms 21 May 2024 794th Yewzir 🇧🇪 533 117 79ms 5 Feb 2024 795th MeWhenI 🇻🇦 532 84 3ms 1 Dec 2023 796th KatieLG 🇬🇧 530 109 59ms 5 Oct 2025 797th janbehrens 🇩🇪 530 138 337ms 17 Apr 2025 798th Yewzir 🇧🇪 529 150 3ms 29 Mar 2024 799th HumanoidCPU 529 153 92ms 12 days ago 800th Bmrl7 528 106 11ms 26 Mar 2024 801st anarconic 527 125 3ms 11 Dec 2023 802nd YAJUE114514 527 138 183ms 23 Jul 2025 803rd msbranicky 522 152 3ms 2 Jan 2024 804th snoozingnewt 🇺🇸 521 121 1,471ms 15 Oct 2025 805th steffan-polygolf 521 133 10ms 29 Feb 2024 806th neihousaigaai 519 108 11ms 11 Feb 2024 807th dokutan 517 121 119ms 29 Oct 2024 808th JDiLenarda 🇫🇷 517 122 1,256ms 13 Sep 2024 809th snoozingnewt 🇺🇸 516 125 2ms 15 Oct 2025 810th aksyristos 514 81 36ms 30 Nov 2024 811th Bodo171 514 109 11ms 1 Jul 2024 811th trist224 🇫🇷 514 109 11ms 3 Aug 2025 813th JunkIce 513 104 395ms 3 Dec 2024 814th Kokusui 🇯🇵 513 108 4ms 26 Jul 2024 815th KatieLG 🇬🇧 510 109 1,050ms 2 Jan 2024 816th rollershutter 509 110 15ms 20 Dec 2023 816th fourth-bit 509 110 21ms 1 Jul 2024 816th jipsong 🇩🇪 509 110 20ms 5 Jul 2025 819th snoozingnewt 🇺🇸 509 136 9ms 15 Oct 2025 820th dokutan 509 156 4ms 26 Oct 2024 821st snoozingnewt 🇺🇸 508 143 2,115ms 15 Oct 2025 822nd msbranicky 507 116 112ms 1 Jan 2024 823rd typeswitch-dev 🇵🇹 507 151 4ms 25 Jun 2024 824th alphafalfa 506 107 2ms 26 Aug 2024 825th dokutan 505 100 7ms 28 Oct 2024 First Prev 751–825 of 1,457 Next Last