The Tower of Hanoi hole will go live in approximately 19 hours. Why not try and solve it ahead of time?
Seven Segment 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 598th stertooy 🇧🇪 578 137 9ms 16 Jun 2024 598th bizy-coder 578 137 9ms 12 Oct 2024 603rd targrik 578 167 4ms 17 Jan 2025 604th djeedjay 🇳🇱 578 172 2ms 8 Oct 2020 605th 20kdc 577 198 1ms 13 Oct 2021 606th commandblockguy 🇺🇸 576 126 666ms 1 Sep 2025 607th Yewzir 🇧🇪 575 209 371ms 9 Feb 2024 608th daedals 574 138 9ms 24 Apr 2019 608th bastienvoirin 🇫🇷 574 138 9ms 9 Apr 2020 608th davitf 574 138 10ms 6 Jul 2020 608th j-Ewan 574 138 9ms 14 Feb 2022 608th janbehrens 🇩🇪 574 138 9ms 17 Jun 2023 613th jared-hughes 571 98 36ms 10 Sep 2022 613th olleicua 🇺🇸 571 98 35ms 13 Jan 2024 615th roguh 🇬🇹 571 174 2ms 22 Jan 2024 616th Decrare 570 166 375ms 7 Sep 2025 617th fourth-bit 569 139 9ms 3 Jul 2024 617th bzijlema 🇳🇱 569 139 9ms 30 Jun 2025 619th msbranicky 569 238 261ms 5 Sep 2023 620th janbehrens 🇩🇪 568 121 359ms 2 Nov 2021 621st janbehrens 🇩🇪 568 129 217ms 3 Dec 2023 622nd boxjelly 568 229 148ms 7 Jan 2021 623rd bluebear94 566 95 131ms 4 Feb 2018 623rd Natanaelel 🇸🇪 566 95 92ms 7 Nov 2023 625th Yewzir 🇧🇪 566 170 1ms 16 Oct 2023 626th NickTheEASDude 🇺🇸 566 202 1ms 21 Aug 2024 627th 1231234md5 🇨🇳 565 176 2ms 8 Jan 2024 628th daniel-pedersen 🇸🇪 564 160 9ms 7 Mar 2022 629th ericlangedijk 🇸🇮 563 168 344ms 24 Feb 2022 630th PatrickStephansen 🇿🇦 561 141 16ms 3 Nov 2020 630th jared-hughes 561 141 9ms 8 Sep 2022 630th stefangimmillaro 561 141 9ms 26 Apr 2023 630th robin-scragg 561 141 10ms 8 Jun 2025 634th aksyristos 561 177 2ms 29 Dec 2022 634th mnurzia 561 177 2ms 13 Oct 2023 636th Shanethegamer 🇺🇸 560 162 4ms 26 Apr 2023 637th MeWhenI 🇻🇦 559 123 279ms 15 Feb 2023 638th cam-lambda 559 221 7ms 1 May 2018 639th satutalo 🇫🇮 558 173 4ms 25 Sep 2023 640th Shanethegamer 🇺🇸 558 178 2,966ms 28 Oct 2024 641st Shanethegamer 🇺🇸 558 239 43ms 12 Sep 2024 642nd Yewzir 🇧🇪 557 179 127ms 17 Sep 2023 643rd icy-lava 557 205 2ms 11 Aug 2023 644th MeWhenI 🇻🇦 555 132 243ms 28 Jan 2023 644th nullshallot 555 132 220ms 9 Jan 2025 646th DialFrost 🇸🇬 554 101 33ms 5 Jan 2023 647th JunkIce 554 131 329ms 9 Mar 2025 648th Lv0Sys 🇵🇱 554 143 15ms 2 days ago 649th alexkunin 554 163 9ms 3 Jul 2019 649th dsntzn 🇸🇰 554 163 9ms 17 Aug 2020 649th nathanadams 🇳🇿 554 163 9ms 28 Mar 2023 652nd dpethes 554 217 928ms 10 Jan 2024 653rd rambox11 552 180 2ms 24 Jun 2019 654th dokutan 551 181 143ms 3 Jul 2024 655th kurkale6ka 550 96 3ms 9 Sep 2021 656th jarekwg 550 144 10ms 26 Apr 2019 656th ahegewald 550 144 9ms 16 Oct 2023 656th cros107 🇦🇺 550 144 9ms 29 Jul 2024 659th user189032 550 164 9ms 29 May 2019 660th Yewzir 🇧🇪 550 179 5ms 8 Apr 2024 661st NewDefectus 🇮🇱 549 181 2ms 15 Feb 2021 661st DialFrost 🇸🇬 549 181 2ms 26 Feb 2024 663rd cbrt-x 549 237 154ms 5 Oct 2023 664th MeWhenI 🇻🇦 548 167 3ms 8 Mar 2025 665th MeWhenI 🇻🇦 547 138 133ms 3 Aug 2024 666th iczelia 🇩🇪 547 165 9ms 17 Oct 2025 667th scottwday 🇨🇦 546 145 9ms 22 Nov 2021 667th Flekay 🇩🇪 546 145 10ms 19 Jun 2025 667th madex 🇩🇪 546 145 9ms 15 Sep 2025 670th alichraghi 546 182 2ms 14 Oct 2021 671st RussellEmerine 546 238 126ms 10 Apr 2020 672nd olivermrose 🇺🇸 544 97 3ms 30 Oct 2021 673rd daisy-lau 544 166 9ms 16 Jun 2020 674th Shanethegamer 🇺🇸 543 178 4ms 28 Apr 2022 674th dokutan 543 178 4ms 10 Apr 2025 First Prev 601–675 of 1,421 Next Last