The Tower of Hanoi hole will go live in approximately 6 hours. Why not try and solve it ahead of time?
Christmas Trees 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 825th Waffle3z 720 63 37ms 21 Jan 2021 825th NewDefectus 🇮🇱 720 63 35ms 10 Feb 2021 825th emgordon154 720 63 37ms 17 Nov 2024 825th olleicua 🇺🇸 720 63 36ms 13 Jun 2025 830th EnigmaticError 720 104 2ms 27 Jan 2024 831st bbakersmith 718 65 3ms 13 Jul 2021 831st armin-k1 718 65 3ms 10 Sep 2021 833rd Sakaala 718 74 10ms 24 Apr 2019 833rd rzana 718 74 10ms 14 Dec 2020 833rd RYNO8 718 74 70ms 26 Aug 2021 833rd Sloimayyy 718 74 10ms 22 Aug 2022 833rd shelerr 718 74 10ms 8 Sep 2022 833rd CarsonChr 🇺🇸 718 74 9ms 18 Sep 2022 833rd Eilonlif 🇮🇱 718 74 9ms 7 Apr 2023 833rd WillConker 718 74 10ms 16 Jul 2023 833rd wyarde 718 74 10ms 7 Nov 2023 833rd chartung17 718 74 9ms 10 Dec 2023 833rd bizy-coder 718 74 9ms 18 Jan 2024 833rd sultan 718 74 9ms 9 Mar 2024 833rd zaki1993 718 74 10ms 28 May 2024 833rd YAJUE114514 718 74 11ms 30 Jul 2025 847th MeWhenI 🇻🇦 718 85 1ms 13 Oct 2023 848th mousetail 🇳🇱 718 116 148ms 19 Jan 2024 849th CaedenHarper 🇨🇦 718 124 349ms 4 Oct 2025 850th CheeseCake628 🇳🇴 717 70 452ms 17 Jan 2024 851st dokutan 717 93 3ms 26 Jul 2024 852nd Natanaelel 🇸🇪 716 46 2ms 20 Jul 2023 853rd destofr 716 106 116ms 19 Dec 2022 854th solmyr2000 716 130 50ms 18 Jun 2022 854th kkoenig 716 130 375ms 23 Dec 2023 854th MateuszPietrzak 🇵🇱 716 130 373ms 27 Dec 2023 857th jared-hughes 715 104 2ms 28 Jun 2022 857th janbehrens 🇩🇪 715 104 1ms 29 Jul 2022 857th kkoenig 715 104 2ms 23 Dec 2023 860th Yewzir 🇧🇪 714 70 445ms 26 Feb 2024 860th Ripick 714 70 222ms 24 Jun 2025 860th Lv0Sys 🇵🇱 714 70 389ms 9 hours ago 863rd nmandel 714 95 8ms 21 Dec 2018 863rd zbreit 🇺🇸 714 95 8ms 6 Aug 2020 863rd dzshn 714 95 8ms 7 Apr 2021 863rd inventshah 714 95 8ms 8 May 2021 863rd GeorgeStechman 🇬🇧 714 95 8ms 16 Sep 2022 863rd weliveinhell 🇭🇹 714 95 9ms 20 Dec 2023 863rd madeforlosers 714 95 8ms 26 days ago 870th MeWhenI 🇻🇦 714 105 3ms 22 May 2023 870th Andriamanitra 🇫🇮 714 105 3ms 24 Dec 2024 872nd SteveL-MSFT 713 66 210ms 6 Jun 2020 873rd stefangimmillaro 712 116 350ms 17 Oct 2022 874th nipzu 711 117 127ms 4 Jan 2020 875th Yewzir 🇧🇪 711 131 376ms 9 Feb 2024 875th dokutan 711 131 383ms 19 Aug 2024 877th janbehrens 🇩🇪 710 97 3ms 18 Feb 2022 878th albanian-laundromat 710 184 576ms 20 Oct 2025 879th biinari 709 64 55ms 25 Mar 2018 879th Ardena 709 64 44ms 11 Dec 2020 879th 4hg 🇺🇸 709 64 49ms 8 Nov 2022 882nd edsrzf 🇳🇿 709 86 40ms 14 Feb 2025 883rd Mr-Xcoder 708 75 9ms 28 Dec 2018 883rd giacomogallina 708 75 9ms 14 Jun 2019 883rd petar-donchev 708 75 9ms 5 Sep 2019 883rd PiterAnnema 708 75 9ms 30 Aug 2020 883rd BLorant 708 75 9ms 23 Dec 2020 883rd qrico64 708 75 9ms 2 Feb 2021 883rd Brianzhengca 708 75 9ms 2 Feb 2021 883rd RobbeSneyders 708 75 9ms 29 Nov 2021 883rd neihousaigaai 708 75 9ms 6 Mar 2022 883rd markusgraube 708 75 9ms 25 Jun 2023 883rd GeneralPoxter 708 75 9ms 7 Dec 2023 883rd kops-cg 708 75 9ms 21 Feb 2025 883rd FEZfan 🇦🇺 708 75 9ms 26 Apr 2025 883rd davecame 708 75 9ms 24 Oct 2025 897th primo-ppcg 🇹🇭 708 145 2ms 8 Apr 2019 898th emgordon154 708 162 2ms 9 Jun 2025 899th commandblockguy 🇺🇸 707 71 580ms 1 Sep 2025 900th caasinehc 706 96 8ms 16 Oct 2018 First Prev 826–900 of 2,982 Next Last
