The Tower of Hanoi hole will go live in approximately 28 hours. Why not try and solve it ahead of time?
12 Days of Christmas 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 376th HumanoidCPU 753 295 3ms 8 days ago 377th ms0rgn 753 468 2ms 26 Apr 2018 378th btnlq 751 246 231ms 14 Mar 2021 378th dcgjb 751 246 367ms 18 Mar 2024 380th Irratix 🇳🇱 751 253 9ms 7 May 2022 381st dscholtz-lab49 751 469 3ms 1 Jun 2023 382nd andersk 🇺🇸 749 470 2ms 26 Mar 2020 382nd idavidka 🇭🇺 749 470 3ms 1 Jun 2023 384th Attero 🇸🇪 748 254 29ms 25 Sep 2020 384th GolfingSuccess 🇬🇷 748 254 10ms 29 Oct 2020 386th GolfingSuccess 🇬🇷 748 408 2ms 13 Jan 2022 386th Bubbler-4 748 408 2ms 19 Jan 2022 388th error256 746 267 6ms 23 Jul 2024 389th lucasvazq 🇦🇷 745 255 10ms 20 Mar 2022 389th jz268 745 255 11ms 6 Jul 2022 391st XenThe 🇬🇧 745 289 9ms 17 Jul 2025 392nd Shanethegamer 🇺🇸 744 470 16ms 8 Sep 2021 393rd SirBogman 🇺🇸 743 400 263ms 23 May 2020 394th MeWhenI 🇻🇦 743 415 321ms 5 Sep 2022 395th ludwig-n 742 256 11ms 7 Apr 2021 395th inventshah 742 256 10ms 24 Jan 2023 397th dokutan 740 274 757ms 30 Aug 2025 397th AnAwesomGuy 740 274 740ms 17 Sep 2025 399th andersk 🇺🇸 739 257 9ms 26 Mar 2020 399th Fishron 739 257 10ms 28 Dec 2021 399th jeff-at-tamer-dot-codes 🇺🇸 739 257 11ms 31 May 2023 399th jatloe 739 257 10ms 23 Oct 2024 403rd apreg 738 477 2ms 31 May 2023 404th ThePSAdmin 736 251 243ms 6 Jun 2020 405th jakobkordez 🇸🇮 736 258 11ms 19 Oct 2022 405th KatieLG 🇬🇧 736 258 9ms 11 Dec 2022 405th ehulinsky 🇺🇸 736 258 11ms 9 May 2023 408th jared-hughes 735 479 2ms 17 Jul 2022 409th 4hg 🇺🇸 734 254 34ms 27 Dec 2022 409th DialFrost 🇸🇬 734 254 35ms 26 Jan 2023 411th joshmoody24 734 259 10ms 14 Mar 2022 412th AnAwesomGuy 732 328 3,016ms 17 Sep 2025 413th urojony 🇵🇱 731 260 11ms 27 May 2021 413th annaproxy 731 260 10ms 31 Oct 2021 413th Just4FunCoder 731 260 10ms 26 Oct 2022 413th cefqrn 731 260 9ms 27 Dec 2022 413th FortuiteMan 🇫🇷 731 260 11ms 11 Sep 2023 413th eiburns 731 260 14ms 9 Oct 2023 419th dokutan 731 539 2ms 27 Feb 2025 420th sean-niemann 🇺🇸 728 214 6ms 30 May 2025 421st dokutan 728 256 34ms 23 Apr 2025 422nd rak1507 🇬🇧 728 261 10ms 15 Oct 2020 423rd KrausRaus 🇺🇸 727 296 8ms 2 Sep 2020 424th MeWhenI 🇻🇦 727 481 16ms 29 May 2023 425th dokutan 726 268 118ms 19 Oct 2024 426th BREMAUCY 🇫🇷 726 798 11ms 26 Aug 2025 427th yzhs 🇩🇪 725 262 10ms 25 Oct 2020 427th jacklynnepenick 725 262 9ms 14 Aug 2021 427th Keegan-T 🇨🇦 725 262 11ms 20 Apr 2025 427th RaBa21 🇭🇺 725 262 11ms 21 Jul 2025 431st dokutan 724 287 41ms 6 Oct 2024 432nd liamLatour 722 263 10ms 3 Aug 2024 433rd GrayJoKing 🇦🇺 722 441 4ms 5 Jun 2021 434th bbakersmith 721 485 15ms 26 Jul 2021 435th emgordon154 720 214 39ms 19 days ago 436th CarsonChr 🇺🇸 720 264 9ms 17 Sep 2022 437th emgordon154 720 623 2ms 9 Jun 2025 438th HumanEquivalentUnit 719 257 243ms 28 Aug 2020 439th MeWhenI 🇻🇦 716 215 41ms 28 Jul 2022 440th jaredtrh 714 266 9ms 12 Sep 2021 440th elgan65536 714 266 10ms 15 Apr 2024 440th amberzit 714 266 10ms 3 Jul 2025 440th luuumine 🇫🇷 714 266 10ms 5 days ago 444th HumanoidCPU 711 262 37ms 1 Aug 2024 445th sean-niemann 🇺🇸 710 430 2ms 3 Jan 2024 445th neel11235813 710 430 2ms 26 Mar 2024 447th TeddyWoodburn 709 268 113ms 7 Oct 2024 448th giacomogallina 706 269 10ms 15 Jun 2019 448th HumanoidCPU 706 269 9ms 9 May 2024 450th MeWhenI 🇻🇦 706 499 2ms 17 Nov 2023 First Prev 376–450 of 3,889 Next Last