The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Emirp Numbers 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 525th Steffan153 🇫🇮 853 84 4ms 9 Feb 2023 527th lyphyser 852 68 53ms 1 Feb 2025 528th ETHproductions 🇺🇸 851 75 30ms 21 Dec 2018 529th DaDerpDuck 850 79 3ms 22 Jan 2021 530th jared-hughes 850 113 51ms 20 Jul 2022 531st MeWhenI 🇻🇦 849 84 16ms 15 Nov 2021 531st Yewzir 🇧🇪 849 84 16ms 11 Nov 2023 531st DialFrost 🇸🇬 849 84 15ms 14 Apr 2025 534th Shanethegamer 🇺🇸 849 177 671ms 13 Jan 2025 534th GolfingSuccess 🇬🇷 849 177 455ms 13 Jan 2025 534th KatieLG 🇬🇧 849 177 524ms 13 Jan 2025 534th HumanoidCPU 849 177 531ms 13 Jan 2025 534th dokutan 849 177 450ms 13 Jan 2025 534th error256 849 177 510ms 13 Jan 2025 534th voytxt 🇨🇿 849 177 481ms 19 Jan 2025 534th ovs-code 🇩🇪 849 177 489ms 24 Jan 2025 534th CaedenHarper 🇨🇦 849 177 514ms 25 Jan 2025 534th MeWhenI 🇻🇦 849 177 467ms 10 Feb 2025 534th pardouin 🇫🇷 849 177 508ms 25 Feb 2025 534th albanian-laundromat 849 177 503ms 13 Sep 2025 546th MeWhenI 🇻🇦 847 87 2ms 12 Sep 2022 546th sean-niemann 🇺🇸 847 87 2ms 8 Oct 2024 548th duckyluuk 🇳🇱 846 74 434ms 26 Mar 2024 548th snoozingnewt 🇺🇸 846 74 347ms 4 hours ago 550th Shanethegamer 🇺🇸 845 67 39ms 11 May 2021 550th Irratix 🇳🇱 845 67 37ms 4 Mar 2022 552nd emplv 🇱🇻 845 76 4ms 11 May 2021 552nd sisyphus-ppcg 🇦🇺 845 76 4ms 14 Jul 2022 554th laikoni 845 89 130ms 25 Dec 2018 555th edsrzf 🇳🇿 844 63 74ms 7 Jun 2025 556th GeoffroyF 843 79 10ms 16 May 2018 556th Mr-Xcoder 843 79 9ms 8 Sep 2018 556th vladyslavprosolupov 843 79 10ms 27 May 2019 556th giacomogallina 843 79 34ms 13 Jun 2019 556th siegelzero 843 79 10ms 7 Aug 2019 556th handisb 843 79 16ms 26 Oct 2019 556th olivermrose 🇺🇸 843 79 10ms 20 Oct 2021 556th guilhem-roy 🇫🇷 843 79 17ms 26 Feb 2022 556th thehylian 843 79 10ms 29 Dec 2022 556th AlephSquirrel 843 79 10ms 19 Jul 2024 566th Mukundan314 843 117 25ms 4 days ago 567th primo-ppcg 🇹🇭 843 128 254ms 6 Jul 2021 568th mcreenan 842 46 110ms 20 Jun 2018 568th m-dango 842 46 97ms 2 Jul 2018 570th MeWhenI 🇻🇦 842 76 71ms 13 Dec 2022 571st GrayJoKing 🇦🇺 841 88 38ms 18 Jun 2022 572nd MeWhenI 🇻🇦 841 98 4ms 29 Nov 2022 573rd rak1507 🇬🇧 840 34 46ms 24 Oct 2021 574th tomtheisen 🇺🇸 840 76 9ms 27 Oct 2020 574th ovs-code 🇩🇪 840 76 10ms 17 Nov 2024 576th eldritchconundrum 840 98 317ms 31 Oct 2022 577th btnlq 840 122 1ms 7 Nov 2020 578th Yewzir 🇧🇪 836 129 255ms 26 Oct 2023 578th fuzzylojik-golf 🇺🇸 836 129 255ms 30 Aug 2025 578th CaedenHarper 🇨🇦 836 129 243ms 4 days ago 581st Shanethegamer 🇺🇸 835 75 479ms 16 Jan 2024 581st CaedenHarper 🇨🇦 835 75 487ms 12 Jan 2025 583rd janlelis 833 68 39ms 10 Feb 2021 584th StanislavNikolov 833 80 10ms 26 Nov 2017 584th jacklynnepenick 833 80 57ms 16 Aug 2021 584th ejini6969 833 80 9ms 1 Apr 2023 587th error256 832 136 1ms 28 Jun 2024 588th duckyluuk 🇳🇱 831 80 2,808ms 26 Oct 2024 589th sisyphus-ppcg 🇦🇺 830 116 7ms 14 Mar 2023 590th itsh01 829 77 9ms 23 Aug 2021 590th emgordon154 829 77 9ms 13 Dec 2021 590th nwellnhof 🇩🇪 829 77 9ms 26 Jun 2023 593rd primo-ppcg 🇹🇭 829 119 33ms 25 Jun 2022 594th Shanethegamer 🇺🇸 826 90 1,299ms 29 Mar 2023 595th annaproxy 826 91 137ms 5 Feb 2022 596th lynn 825 72 958ms 25 May 2022 597th bluebear94 824 47 102ms 12 Feb 2018 597th phdphil 824 47 116ms 27 Apr 2018 599th MeWhenI 🇻🇦 824 76 422ms 24 May 2024 599th AlephSquirrel 824 76 565ms 19 Jul 2024 First Prev 526–600 of 3,111 Next Last
