The Tower of Hanoi hole will go live in approximately 2 hours. Why not try and solve it ahead of time?
brainfuck 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 FortuiteMan 🇫🇷 552 293 22ms 1 Oct 2025 827th shelerr 550 294 13ms 15 Sep 2022 827th liamLatour 550 294 16ms 21 Jul 2024 829th malworthy 550 298 441ms 12 Oct 2023 830th Bonjour27891 🇻🇳 548 295 314ms 15 Jul 2022 830th idoweinstein 548 295 38ms 30 Jul 2022 830th HumanoidCPU 548 295 18ms 31 Mar 2025 833rd dbut2 🇦🇺 547 360 271ms 15 Jul 2025 834th arjanadriaanse 🇳🇱 547 362 183ms 24 Nov 2021 835th Kacarott 🇦🇺 547 398 9ms 23 Jul 2024 836th Alex-x90 🇺🇸 546 191 2ms 11 Jul 2023 837th msbranicky 546 269 815ms 17 Jan 2024 838th adlerzei 546 300 430ms 3 May 2022 839th DialFrost 🇸🇬 545 202 43ms 28 Feb 2025 840th janbehrens 🇩🇪 545 232 303ms 24 Nov 2024 841st ovs-code 🇩🇪 545 235 105ms 12 Sep 2024 842nd Kauhentus 545 238 12ms 7 Dec 2019 843rd MeWhenI 🇻🇦 544 143 9ms 16 Apr 2023 844th CatsAreFluffy 544 270 658ms 15 Jan 2024 845th madex 🇩🇪 544 297 17ms 9 Jul 2024 846th ericlangedijk 🇸🇮 544 301 419ms 21 Mar 2022 847th jerrandolph 544 362 252ms 22 Dec 2023 848th JRaspass 🇬🇧 543 363 296ms 23 Sep 2022 849th MeWhenI 🇻🇦 543 454 41ms 14 Jun 2023 850th Johannesd3 541 193 2ms 9 Apr 2021 851st Andre3582 541 299 47ms 3 Nov 2020 851st pengu1n-master 541 299 20ms 11 Dec 2021 851st brimstonetrader 541 299 21ms 11 Jan 2024 854th Yewzir 🇧🇪 541 364 271ms 3 Jan 2024 855th DialFrost 🇸🇬 540 144 8ms 14 May 2024 856th shraiwi 539 161 35ms 5 Dec 2019 857th Upload-and-View 🇺🇦 539 300 21ms 21 Aug 2025 857th M4rc0g1 539 300 22ms 13 days ago 859th derp-all-day 537 204 5ms 27 Nov 2019 860th schachmattmatt 537 301 426ms 29 Sep 2021 860th FranklinJiaChen 537 301 31ms 4 Jul 2024 862nd marshallward 🇺🇸 537 356 45ms 6 May 2025 863rd rak1507 🇬🇧 536 156 43ms 2 Nov 2021 864th Andrey-Plotnikov 534 243 16ms 23 Sep 2025 865th mrmena 🇦🇺 534 369 292ms 29 Mar 2024 866th Yewzir 🇧🇪 533 263 385ms 9 Mar 2024 867th myleopard 533 303 26ms 15 Oct 2021 867th Heathcorp 🇦🇺 533 303 22ms 5 Dec 2022 867th BREMAUCY 🇫🇷 533 303 325ms 21 Jul 2025 870th Natanaelel 🇸🇪 533 371 235ms 1 Jun 2025 871st TetraPengwin 532 301 4ms 15 Dec 2021 872nd nstearns96 🇬🇧 532 304 394ms 22 Jan 2023 872nd osNiko 🇧🇷 532 304 14ms 19 Aug 2025 874th gifti258 531 241 130ms 15 Sep 2023 875th roupiq 🇵🇱 531 264 385ms 11 Jun 2024 876th h3ra993huskp 🇯🇵 531 335 397ms 18 hours ago 877th hrrs01 529 164 41ms 26 Sep 2018 878th MichaelMBradley 🇨🇦 529 245 11ms 18 Mar 2022 879th CatsAreFluffy 529 265 59ms 18 Dec 2023 880th DarkTemplar5 528 306 34ms 25 Feb 2020 880th knutae 🇳🇴 528 306 21ms 13 Nov 2021 882nd SpareManiKatti 527 246 11ms 9 Sep 2021 883rd MeWhenI 🇻🇦 526 247 118ms 13 Dec 2022 884th LeeCamp 526 307 321ms 19 Feb 2022 884th namelessiw 526 307 15ms 15 Jan 2024 886th Shanethegamer 🇺🇸 526 309 327ms 6 May 2023 887th daedals 525 148 6ms 4 Jul 2019 888th inverseLorentz 🇦🇺 525 308 17ms 14 May 2024 888th AtengChen 525 308 123ms 7 Sep 2024 888th AnnoyedArt1256 525 308 24ms 7 Jan 2025 891st aliakseikalosha 525 339 334ms 14 Jun 2020 892nd JoeBigToe 524 198 295ms 8 Jun 2020 893rd Flying-Toast 524 199 2ms 17 Apr 2024 894th johnathanleung18 523 309 424ms 3 Oct 2021 894th midnattssol 🇸🇪 523 309 26ms 19 Oct 2023 896th yevgeniyredko 523 313 431ms 3 Oct 2023 896th Skellybob56 523 313 345ms 17 days ago 898th cbrt-x 523 340 347ms 14 Sep 2023 899th andre-lameirinhas 🇵🇹 520 311 270ms 22 Jun 2020 899th jacekwladzinski 520 311 14ms 8 Oct 2025 First Prev 826–900 of 1,395 Next Last