The Tower of Hanoi hole will go live in approximately 29 hours. Why not try and solve it ahead of time?
τ 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 MeWhenI 🇻🇦 368 190 3,089ms 27 Oct 2024 902nd msbranicky 367 172 40ms 5 Jul 2023 902nd LHLaurini 🇧🇷 367 172 141ms 18 Jun 2024 902nd JunkIce 367 172 14ms 25 Nov 2024 902nd dokutan 367 172 13ms 24 Mar 2025 902nd yahelihol 367 172 19ms 10 Jun 2025 902nd Flekay 🇩🇪 367 172 14ms 10 Jul 2025 908th wh3n3v3r 🇨🇿 365 173 21ms 20 Nov 2024 909th TJK-S 363 174 33ms 23 Oct 2025 910th Shanethegamer 🇺🇸 361 181 136ms 25 May 2022 911th Shanethegamer 🇺🇸 360 75 516ms 20 Jun 2022 912th Herbert00709 🇵🇱 359 146 60ms 23 Nov 2024 913th martinnorling 🇸🇪 359 176 15ms 29 Mar 2022 913th cuboids 359 176 131ms 17 Jul 2024 915th roguh 🇬🇹 357 177 32ms 22 Jan 2024 916th MeWhenI 🇻🇦 357 701 9ms 28 Nov 2023 917th snoozingnewt 🇺🇸 354 170 510ms 11 Feb 2024 917th JunkIce 354 170 607ms 3 Dec 2024 917th dokutan 354 170 476ms 24 Mar 2025 920th AkashTandon167 353 179 153ms 6 Nov 2021 921st msbranicky 350 172 611ms 16 Jan 2024 922nd alfonsoalves 349 181 38ms 26 Feb 2024 922nd Emutis 🇱🇹 349 181 15ms 7 Oct 2025 924th Matistjati 345 183 16ms 2 Dec 2019 925th UnderKoen 🇳🇱 345 586 1ms 11 Nov 2024 926th NickTheEASDude 🇺🇸 343 174 14ms 25 Apr 2024 927th typeswitch-dev 🇵🇹 343 387 397ms 24 Jul 2023 928th roguh 🇬🇹 340 177 811ms 28 Jun 2025 929th magnickolas 338 187 22ms 29 Aug 2020 930th aliakseikalosha 337 296 402ms 27 Jun 2025 931st tetraxile 336 188 30ms 3 Oct 2021 932nd Waffle3z 336 298 633ms 29 Oct 2020 933rd m-tkach 🇺🇦 335 603 3ms 15 Jun 2022 934th LeeCamp 334 189 67ms 15 Feb 2022 934th keelimeguy 🇺🇸 334 189 15ms 16 Dec 2023 936th Omega65536 🇩🇪 333 190 17ms 1 Dec 2022 937th bac0id 332 364 349ms 26 Sep 2023 938th PFischbeck 331 191 196ms 8 Dec 2017 938th luuumine 🇫🇷 331 191 24ms 7 Oct 2025 940th OllieBoyne 🇬🇧 329 192 435ms 23 Jan 2021 941st 52525rr 327 193 24ms 9 Jun 2025 942nd sciencedjinn 324 195 14ms 8 Nov 2024 942nd driri85 324 195 29ms 7 Jan 2025 944th rollsroyce0 322 196 37ms 14 Sep 2024 945th boxjelly 320 186 18ms 13 Feb 2021 946th Apataras 320 377 445ms 28 Jun 2025 947th lmeuser 319 198 14ms 2 Dec 2017 948th emgordon154 319 634 3ms 11 Jul 2024 949th codingisgreatbutiamnot 316 200 31ms 4 Aug 2024 950th KatieLG 🇬🇧 314 644 4ms 10 Dec 2022 951st davidsaltacc 308 205 14ms 16 Nov 2023 952nd c0d3-4-F00d 🇩🇪 303 331 4ms 29 Apr 2022 953rd dokutan 302 669 3ms 22 days ago 954th GameChaos 295 214 12ms 18 Apr 2020 955th TomasKazimir 294 215 39ms 18 Nov 2021 956th boxjelly 293 139 401ms 11 Feb 2021 957th atazzam 🇺🇸 293 216 666ms 4 Feb 2023 958th enbyte 289 219 12ms 4 Jun 2021 959th raphaelimahorn 289 418 332ms 3 Sep 2020 960th Andrey2001 285 222 176ms 4 days ago 961st robin-scragg 283 223 13ms 25 Oct 2025 962nd DialFrost 🇸🇬 281 575 29ms 18 Jan 2023 963rd adamnielson42 🇺🇸 279 131 533ms 2 Oct 2023 964th r-benson 🇬🇧 277 228 17ms 31 Jan 2023 964th tomc 277 228 728ms 29 Aug 2023 966th Jviscus1 272 232 15ms 24 Apr 2020 967th Andrey2001 271 222 677ms 2 days ago 968th CRHillman 270 234 40ms 16 Aug 2018 968th j-Ewan 270 234 17ms 10 Mar 2022 970th twocatsinatrenchcoat 263 240 57ms 15 Apr 2022 971st Schmitt-Very-Cool 262 461 472ms 3 Oct 2025 972nd orthoplex 🇨🇽 261 774 2ms 9 Jun 2024 973rd SniperSmiley 🇺🇸 260 124 115ms 26 Nov 2022 974th Stockoh 🇫🇷 260 243 23ms 26 Apr 2024 975th jakobkordez 🇸🇮 259 244 53ms 31 Oct 2022 First Prev 901–975 of 2,276 Next Last