The Tower of Hanoi hole will go live in approximately 18 hours. Why not try and solve it ahead of time?
ln 2 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 526th stefangimmillaro 714 193 268ms 16 Sep 2023 527th tomh1012 712 127 387ms 16 Sep 2025 528th adamnielson42 🇺🇸 705 73 17ms 14 Aug 2023 528th jtaxen 705 73 17ms 17 Mar 2024 528th ei14 705 73 182ms 23 May 2024 528th EnTerr 705 73 17ms 17 Jun 2024 532nd lynn 705 223 231ms 4 Aug 2023 533rd msbranicky 698 55 229ms 12 Jan 2024 534th dokutan 695 74 18ms 31 Dec 2023 535th kg583 🇺🇸 694 87 83ms 6 days ago 536th edsrzf 🇳🇿 693 128 250ms 7 mins ago 537th MeWhenI 🇻🇦 693 171 1,601ms 28 Mar 2025 538th msbranicky 692 199 769ms 31 Aug 2023 539th zakariamouhid 691 73 2,614ms 1 Aug 2023 540th Daniikk1012 690 41 268ms 26 days ago 541st stefangimmillaro 688 190 142ms 4 Jun 2025 542nd clemmers 🇺🇸 686 75 17ms 1 Aug 2023 542nd aksyristos 686 75 17ms 1 Aug 2023 542nd bac0id 686 75 17ms 20 Sep 2023 545th msbranicky 677 76 17ms 3 Aug 2023 545th StHagel 677 76 18ms 3 Aug 2023 545th BREMAUCY 🇫🇷 677 76 18ms 4 Aug 2023 545th SniperSmiley 🇺🇸 677 76 17ms 15 Aug 2023 545th RYNO8 677 76 17ms 20 Aug 2023 545th cingulataluke 677 76 17ms 27 Aug 2023 545th keelimeguy 🇺🇸 677 76 17ms 6 Nov 2023 545th epic-programmer-guy 677 76 17ms 31 Dec 2023 545th zwxzwxzwx21 677 76 17ms 16 Jan 2024 545th Just4FunCoder 677 76 17ms 26 Feb 2024 545th sultan 677 76 17ms 9 Mar 2024 545th stertooy 🇧🇪 677 76 18ms 11 Jun 2024 545th HumanoidCPU 677 76 18ms 2 Sep 2024 545th JunkIce 677 76 18ms 1 Oct 2024 545th xyangst 677 76 18ms 12 Oct 2024 545th OSYCh314 🇦🇺 677 76 17ms 2 Nov 2024 545th Unknownuserfrommars 677 76 18ms 20 Nov 2024 545th austinleblanc 677 76 20ms 1 Mar 2025 545th 0dyse 677 76 17ms 29 Apr 2025 545th codewrite 🇬🇧 677 76 21ms 25 May 2025 545th Flekay 🇩🇪 677 76 18ms 10 Jul 2025 545th GoldStar184 677 76 18ms 17 Jul 2025 545th Upload-and-View 🇺🇦 677 76 18ms 9 Aug 2025 545th cthierfelder 🇲🇨 677 76 18ms 8 Sep 2025 545th LostSyntax21 🇬🇧 677 76 18ms 20 days ago 570th albanian-laundromat 673 176 1,604ms 18 Oct 2025 571st iczelia 🇩🇪 672 75 20ms 16 Oct 2025 572nd CaedenHarper 🇨🇦 668 65 1,155ms 27 Sep 2025 573rd willdaspit 668 77 17ms 4 Aug 2023 573rd jgh713 668 77 17ms 29 Aug 2023 573rd diquah 668 77 17ms 1 Nov 2023 573rd cooljoseph1 668 77 17ms 24 Dec 2023 573rd jameswmccarty 668 77 17ms 4 Jun 2024 573rd swtchblade 668 77 17ms 15 Jul 2025 573rd Voltrifrodec 🇸🇰 668 77 18ms 22 days ago 580th dokutan 665 74 447ms 15 Jan 2024 581st BREMAUCY 🇫🇷 664 55 99ms 11 Sep 2023 581st tatzyr 🇯🇵 664 55 88ms 6 Feb 2025 583rd ovs-code 🇩🇪 663 211 1,563ms 14 Sep 2025 584th rollershutter 662 58 185ms 8 Nov 2023 585th Coolbeansyeah 660 78 17ms 13 May 2024 585th codingisgreatbutiamnot 660 78 17ms 29 Jul 2024 585th piano-miles 660 78 17ms 4 May 2025 585th Zhenyu-Bo 660 78 17ms 31 Jul 2025 585th jacekwladzinski 660 78 24ms 4 Oct 2025 590th MeWhenI 🇻🇦 660 183 146ms 1 Aug 2023 591st Lydxn 🇨🇦 658 177 361ms 6 Aug 2023 591st jared-hughes 658 177 362ms 24 Sep 2025 593rd m-tkach 🇺🇦 656 254 80ms 17 Dec 2023 594th rifatx 655 138 431ms 15 Jul 2024 595th eiburns 651 79 18ms 15 Sep 2023 595th Mabeloid 🇳🇴 651 79 18ms 7 Sep 2024 595th Cube14yt 651 79 18ms 11 days ago 598th 4hg 🇺🇸 650 69 831ms 17 Sep 2023 599th edsrzf 🇳🇿 648 183 2,471ms 18 Jan 2025 600th msbranicky 647 76 447ms 17 Jan 2024 First Prev 526–600 of 1,718 Next Last
