The Tower of Hanoi hole will go live in approximately 4 hours. Why not try and solve it ahead of time?
brainfuck in JavaScript 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 75th Maznek 738 183 11ms 6 Feb 2025 77th KatieLG 🇬🇧 730 185 12ms 3 Jun 2024 78th biocommando 🇫🇮 726 186 23ms 27 May 2023 78th NickTheEASDude 🇺🇸 726 186 11ms 26 Jan 2024 80th pandapawskat 722 187 12ms 16 Sep 2021 81st fitzdotlol 🇺🇸 718 188 11ms 28 Mar 2022 81st wh3n3v3r 🇨🇿 718 188 12ms 8 Nov 2024 81st iczelia 🇩🇪 718 188 11ms 22 Sep 2025 84th mobibluman 714 189 11ms 1 Mar 2022 84th edsrzf 🇳🇿 714 189 12ms 19 Nov 2024 84th TeodorDyakov 🇧🇬 714 189 11ms 7 Jul 2025 87th RDShah 707 191 11ms 3 Feb 2020 87th dzshn 707 191 12ms 17 Aug 2022 89th skps2010 703 192 11ms 2 Jan 2019 89th daisy-lau 703 192 12ms 31 Jul 2020 91st leon-w 699 193 12ms 5 Jan 2020 91st pfgithub 699 193 13ms 27 Oct 2020 91st gussy420 699 193 12ms 29 Oct 2023 91st dokutan 699 193 12ms 3 Aug 2024 95th bluebear94 692 195 12ms 4 Feb 2018 95th wansacis 🇩🇪 692 195 14ms 23 Jul 2021 95th kellantech 692 195 11ms 7 Jul 2023 95th smclaughlin-cf 692 195 11ms 11 Jun 2025 99th nking07049925 689 196 12ms 2 Jun 2024 99th unfinishedprogram 689 196 12ms 20 Sep 2024 99th alexsave 689 196 11ms 25 days ago 102nd ForkKILLET 🇨🇳 685 197 1,092ms 29 Jul 2021 102nd TheRealOhead 🇺🇸 685 197 14ms 4 Apr 2023 104th lowlighter 682 198 12ms 1 Nov 2020 105th eranws 678 199 11ms 17 Oct 2022 106th KaeruCT 665 203 11ms 2 Sep 2024 107th uttumuttu 🇫🇮 662 204 29ms 4 Jan 2022 107th xShadowBlade 662 204 11ms 26 Dec 2024 109th hacker112 🇸🇪 652 207 11ms 22 Jun 2024 109th daniel-cardone 652 207 13ms 5 Jul 2025 111th strattonwhisler 649 208 12ms 29 Jun 2023 112th ShiraJoseph 🇺🇸 646 209 13ms 12 Feb 2023 113th Kibble 643 210 14ms 11 Jul 2020 113th 52525rr 643 210 12ms 20 Oct 2025 115th thisishowmymindworks 🇳🇴 637 212 28ms 14 Oct 2020 116th NatNgs 634 213 12ms 7 Jan 2020 117th igmcdowell 625 216 21ms 27 Jan 2022 117th janbehrens 🇩🇪 625 216 12ms 17 Jun 2023 119th Nefsen402 622 217 11ms 24 Jan 2019 120th Michiocre 619 218 11ms 18 Jun 2024 121st TheDarkThatBarks 616 219 11ms 18 May 2024 122nd KrausRaus 🇺🇸 608 222 10ms 4 Oct 2020 123rd Juici 605 223 12ms 8 Feb 2021 123rd zakariamouhid 605 223 12ms 10 Jan 2023 125th Xbot781 603 224 11ms 12 Aug 2023 126th zohassadar 600 225 15ms 21 Mar 2025 127th adamnielson42 🇺🇸 592 228 12ms 23 Feb 2025 128th AnnoyedArt1256 590 229 17ms 7 Jan 2025 129th Lv0Sys 🇵🇱 587 230 12ms 8 hours ago 130th neihousaigaai 582 232 12ms 6 Mar 2022 131st typeswitch-dev 🇵🇹 579 233 12ms 28 Jul 2023 132nd JOrE20 🇺🇸 574 235 11ms 3 days ago 133rd Kauhentus 567 238 12ms 7 Dec 2019 134th Andrey-Plotnikov 556 243 16ms 23 Sep 2025 135th MichaelMBradley 🇨🇦 551 245 11ms 18 Mar 2022 136th SpareManiKatti 549 246 11ms 9 Sep 2021 137th inverseLorentz 🇦🇺 534 253 12ms 12 Jun 2022 137th quirked-up 534 253 11ms 30 Aug 2023 137th MyXoToD 🇩🇪 534 253 10ms 8 May 2025 140th florton 527 256 11ms 6 Jan 2022 140th aaronze 🇦🇺 527 256 11ms 12 Sep 2023 142nd Nuottajarvi 525 257 12ms 8 Oct 2018 142nd a6166231 🇨🇳 525 257 10ms 28 Apr 2025 144th acollett89 521 259 15ms 4 Aug 2025 145th ianpoe 513 263 13ms 21 Apr 2020 145th LukeBridges 🇬🇧 513 263 12ms 14 Aug 2024 147th piano-miles 504 268 13ms 6 Mar 2023 147th userNameIsu 504 268 11ms 5 Jul 2023 147th IchBinMichMarkus 504 268 12ms 5 Jul 2023 150th PatrickStephansen 🇿🇦 502 269 11ms 5 Mar 2021 First Prev 76–150 of 182 Next Last