The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
12 Days of Christmas in Python 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 825th luxdragon 740 561 9ms 11 Oct 2022 825th falinos 740 561 9ms 1 Jan 2023 825th andyxukq 740 561 9ms 4 Feb 2025 825th kasarino 740 561 15ms 2 hours ago 830th fl3ur1nestimable 737 563 9ms 28 Mar 2022 831st NuqieNoila 736 564 10ms 1 Feb 2019 831st bwenstar 736 564 9ms 9 Aug 2022 831st Saaxxx 736 564 13ms 22 Aug 2023 834th MiranDaniel 🇨🇿 735 565 16ms 30 Aug 2023 834th pquline 735 565 10ms 5 Mar 2025 836th artur-py 733 566 9ms 16 Dec 2022 836th skarabb 733 566 13ms 26 Mar 2024 838th CRHillman 731 568 9ms 14 Aug 2018 838th CheeseCake628 🇳🇴 731 568 29ms 19 Mar 2023 838th Greguhh 731 568 9ms 22 Oct 2024 841st msrawson 729 569 9ms 13 Aug 2018 841st TJK-S 729 569 9ms 25 Oct 2025 843rd ei14 728 570 9ms 18 Jun 2021 843rd amollberg 🇸🇪 728 570 10ms 3 Jan 2022 843rd Eulentier161 728 570 17ms 30 Aug 2023 846th Watermelon876 726 572 10ms 27 Nov 2021 846th markbyrne 726 572 10ms 25 Aug 2022 846th joonaspu 726 572 9ms 3 Jun 2023 846th alfonsoalves 726 572 10ms 27 Feb 2024 850th BenAns 724 573 9ms 17 Nov 2018 850th KevinLaux 724 573 12ms 4 Dec 2022 852nd Dejgz 722 575 10ms 11 Sep 2023 852nd gigaprofisi 🇺🇸 722 575 9ms 2 Mar 2025 854th sayloren 720 576 14ms 30 Jul 2025 855th anananlyjlyj 719 577 9ms 2 Jul 2018 855th Sami-ul 719 577 10ms 12 Oct 2021 855th godCoderXYZ 719 577 13ms 5 Dec 2024 858th omgardner 718 578 13ms 1 Mar 2019 858th samual-hain 718 578 9ms 4 Apr 2024 858th JMMMMC 718 578 9ms 23 Oct 2024 861st bakaq 717 579 9ms 4 Jan 2020 861st danielweper 717 579 9ms 21 Oct 2021 863rd Matistjati 713 582 9ms 17 Feb 2020 864th jpyCode 712 583 10ms 14 Jan 2019 865th selketdaly 707 587 10ms 21 Feb 2021 865th DePopadopalis 707 587 10ms 6 Apr 2022 865th julienlamoureux78 707 587 9ms 17 Aug 2022 868th dlevear 705 589 9ms 20 May 2021 868th PrinceSalatyell 705 589 10ms 22 Jun 2022 868th Matter1024 🇮🇳 705 589 10ms 24 Aug 2025 871st maxliuql 703 590 9ms 11 Jul 2025 872nd joel-e-m-mitchell 702 591 10ms 10 Jun 2018 872nd Nektar24 702 591 10ms 2 Jun 2023 872nd Nightmarius 702 591 18ms 22 Jan 2024 875th bnuh 701 592 9ms 3 Dec 2022 875th omero-san 701 592 9ms 15 Sep 2025 877th plainoldcheese 🇦🇶 699 594 10ms 16 Apr 2020 878th lewisdean98 697 595 29ms 4 Dec 2022 878th atrus159 697 595 9ms 24 Oct 2023 880th ktnguyen2 695 597 11ms 4 Jan 2020 880th halp1 695 597 10ms 7 Apr 2022 882nd jjbvtk 694 598 13ms 31 Aug 2021 882nd lethan3 694 598 10ms 1 Dec 2022 884th Modeba 693 599 10ms 23 days ago 885th clodalala 692 600 9ms 1 Nov 2019 886th dylanjones92 685 606 9ms 19 Jan 2024 887th zuparnowa 684 607 10ms 28 Jan 2019 887th henrytranter 684 607 10ms 20 Sep 2019 889th Piccora 683 608 11ms 3 Oct 2022 889th Baxi-codes 683 608 9ms 4 Jan 2023 891st FJSFerreira 681 609 10ms 22 May 2021 892nd besasam 680 610 9ms 31 Mar 2021 892nd OddAlgorithm 680 610 12ms 4 Dec 2022 894th surbainczyk 679 611 13ms 22 Jul 2022 895th lakshmanaprasanth 675 615 12ms 10 Jun 2021 896th mhenion8293 🇺🇸 674 616 10ms 11 Jan 2022 896th kelseychristensen 674 616 12ms 3 Nov 2022 896th jrappeneker 674 616 10ms 24 Apr 2025 899th warrinerbros 672 618 9ms 3 Dec 2021 900th valgardg 🇮🇸 669 620 16ms 17 Aug 2021 First Prev 826–900 of 1,109 Next Last