The Tower of Hanoi hole will go live in approximately 41 hours. Why not try and solve it ahead of time?
Arrows 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 tatzyr 🇯🇵 372 184 53ms 26 Mar 2025 902nd tomh1012 371 258 456ms 10 Sep 2025 903rd dokutan 371 346 179ms 21 days ago 904th Ephellon 370 229 11ms 16 Dec 2023 905th aliakseikalosha 370 259 413ms 7 Aug 2023 906th Mabeloid 🇳🇴 369 253 3ms 21 Sep 2024 907th klixel 🇨🇦 368 259 12ms 19 Jun 2025 908th Natanaelel 🇸🇪 366 177 4ms 24 Aug 2021 909th Larento 364 233 12ms 14 Oct 2023 910th snoozingnewt 🇺🇸 364 243 94ms 23 Oct 2025 911th sbyrne51 364 262 13ms 2 Oct 2022 911th CheeseCake628 🇳🇴 364 262 23ms 19 Mar 2023 911th luuumine 🇫🇷 364 262 11ms 16 Oct 2025 914th Saaxxx 363 263 10ms 30 Nov 2023 914th strogor 363 263 10ms 9 Jun 2025 916th scpchicken 🇵🇼 362 179 7ms 10 Mar 2023 917th FrederikHutfless 🇩🇪 362 234 11ms 12 Jan 2023 918th veiko 361 235 12ms 20 Jun 2022 919th Trunksistor 🇫🇷 361 264 12ms 5 May 2022 920th osmith93 360 265 11ms 10 Jul 2022 920th rollershutter 360 265 10ms 21 Nov 2023 922nd hacker112 🇸🇪 358 237 13ms 19 Jun 2024 923rd PlatoHero 356 191 265ms 11 Dec 2023 924th MiranDaniel 🇨🇿 356 268 17ms 2 Sep 2023 925th null-tangent 355 239 12ms 23 Aug 2022 926th CaedenHarper 🇨🇦 355 299 356ms 23 Aug 2025 927th The-Wolfson 355 313 99ms 6 Feb 2025 928th Lunik 354 269 13ms 7 Nov 2022 929th corbob 🇨🇦 353 193 276ms 8 May 2024 930th CaedenHarper 🇨🇦 353 194 51ms 24 Aug 2025 931st j-Ewan 352 271 14ms 2 Mar 2022 931st rustykitty 🇺🇸 352 271 11ms 31 Oct 2025 933rd Mabeloid 🇳🇴 351 245 3ms 20 Oct 2025 934th lhulinsky 351 272 13ms 28 Oct 2024 935th CaedenHarper 🇨🇦 350 217 1,574ms 24 Aug 2025 936th CRHillman 349 273 11ms 16 Dec 2021 937th martindotexe 🇳🇴 349 366 318ms 18 May 2025 938th gifti258 348 297 106ms 13 Sep 2023 939th jb-lopez 🇺🇸 347 236 5ms 8 Nov 2021 940th lewdev 🇺🇸 347 244 12ms 14 Mar 2024 941st Babafaba 347 275 17ms 25 days ago 942nd KatieLG 🇬🇧 347 320 106ms 12 Sep 2021 943rd con-cs 346 245 13ms 17 Oct 2021 944th ABC00012345 344 277 13ms 26 Nov 2024 945th michaelbaudino 343 200 39ms 17 Mar 2022 945th dokutan 343 200 54ms 21 Sep 2025 947th Feniske 🇫🇷 342 199 257ms 27 Dec 2022 948th adamnielson42 🇺🇸 342 248 12ms 30 May 2023 949th Alban-Boissard 342 279 10ms 11 Jun 2025 950th cesarm4 341 280 11ms 5 May 2022 950th PotatoSaladOverlord 341 280 12ms 3 Jun 2023 950th Code-Coder-coder 341 280 14ms 14 Oct 2025 953rd ollyspooner 340 249 12ms 25 Nov 2022 954th carlmrichter 🇩🇪 339 250 12ms 22 Jun 2024 955th jfallon1997 339 281 15ms 16 Sep 2022 956th kmathis22 339 328 669ms 15 days ago 957th ravnskjaer 🇩🇰 339 332 487ms 11 Sep 2024 958th KatieLG 🇬🇧 339 377 371ms 25 Sep 2022 959th shibacho 🇯🇵 337 283 12ms 25 Mar 2022 959th joonaspu 337 283 14ms 3 Jun 2023 961st ezrillex 337 284 477ms 13 Mar 2022 962nd dylanpyle 336 252 16ms 24 Mar 2022 962nd fitzdotlol 🇺🇸 336 252 13ms 17 Apr 2022 962nd MyltsinVV 336 252 11ms 47 hours ago 965th joshmoody24 336 284 15ms 21 Mar 2022 966th KevinMarquette 🇺🇸 335 203 240ms 25 Apr 2023 967th kacogg5 335 285 16ms 20 Sep 2022 967th TheZwierzLF 🇵🇱 335 285 11ms 5 days ago 969th now4est 🇯🇵 332 287 10ms 21 Sep 2025 970th RokasBakutis 332 288 431ms 10 Apr 2023 971st lukasneukom 🇨🇭 332 335 104ms 19 Dec 2022 972nd cbrt-x 332 339 522ms 20 Sep 2021 973rd msbranicky 331 206 264ms 20 Jan 2024 974th quasar098 331 288 14ms 29 Mar 2022 975th HumanoidCPU 331 336 109ms 21 Apr 2024 First Prev 901–975 of 1,244 Next Last