The Tower of Hanoi hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Intersection 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 901st Andriamanitra 🇫🇮 554 165 4ms 15 May 2023 902nd snoozingnewt 🇺🇸 554 232 146ms 2 Oct 2025 903rd HumanEquivalentUnit 553 139 292ms 8 Oct 2020 903rd IISResetMe 553 139 453ms 25 Feb 2024 905th ravnskjaer 🇩🇰 553 318 333ms 20 Dec 2024 906th Codsilla 🇨🇦 552 127 257ms 4 Jul 2022 907th snoozingnewt 🇺🇸 552 185 2,333ms 2 Oct 2025 908th jared-hughes 551 55 34ms 6 Nov 2021 908th SirBogman 🇺🇸 551 55 41ms 22 Sep 2025 910th AforAmpere 551 139 10ms 21 Feb 2021 911th Shanethegamer 🇺🇸 551 143 121ms 6 Dec 2024 912th MeWhenI 🇻🇦 549 147 5ms 18 Nov 2023 913th blaztoma 🇱🇹 547 103 40ms 15 Oct 2025 914th MeWhenI 🇻🇦 547 128 256ms 15 Feb 2023 915th ydevor 🇮🇱 547 140 10ms 20 Nov 2020 915th mathb0y512 547 140 10ms 20 Jan 2023 915th hellwue 547 140 10ms 17 Feb 2023 915th jtaxen 547 140 11ms 28 Apr 2024 915th fuzzylojik-golf 🇺🇸 547 140 12ms 25 Jul 2025 915th YAJUE114514 547 140 10ms 28 Jul 2025 921st MeWhenI 🇻🇦 547 222 159ms 21 May 2023 922nd Shanethegamer 🇺🇸 545 108 2ms 5 Nov 2022 922nd alphafalfa 545 108 2ms 23 Oct 2024 924th MeWhenI 🇻🇦 545 159 8ms 21 Jun 2021 925th Waffle3z 543 141 10ms 8 Oct 2020 925th lemogne 543 141 10ms 9 Aug 2021 925th HerLovelyTentacles 543 141 10ms 22 Nov 2021 925th osmith93 543 141 10ms 10 Jul 2022 925th DavidHospital 543 141 10ms 22 Sep 2023 925th Peanut-XIV 543 141 10ms 9 Nov 2023 925th ridingqwerty 🇺🇸 543 141 13ms 1 Feb 2024 925th inverseLorentz 🇦🇺 543 141 10ms 22 Apr 2024 925th yokasuretsu 543 141 10ms 10 Jan 2025 925th khaninm 543 141 10ms 2 Jun 2025 935th maxpelic 🇺🇸 542 163 10ms 11 Jul 2022 935th madeforlosers 542 163 9ms 4 Nov 2024 937th Maximizer02 542 166 12ms 30 Jul 2024 938th KatieLG 🇬🇧 541 325 311ms 24 Jan 2023 939th logvp 539 142 10ms 3 Jan 2024 939th countlpaul-dotcom 539 142 12ms 19 Oct 2025 941st rifatx 538 270 391ms 23 Jul 2024 942nd Waffle3z 537 105 39ms 12 Oct 2020 942nd emgordon154 537 105 36ms 20 Nov 2024 944th namelessiw 537 130 502ms 5 Mar 2024 945th SaswatPadhi 536 143 11ms 5 Sep 2022 946th arcpolaris 536 271 361ms 22 days ago 947th lukehewittvandy 535 329 310ms 27 May 2021 948th Lunahere 533 210 2ms 3 May 2021 949th jared-hughes 532 106 40ms 9 Sep 2022 949th lacrosse 532 106 45ms 26 hours ago 951st jgbaldwinbrown 532 144 10ms 29 Jun 2021 951st Bmrl7 532 144 10ms 3 Mar 2024 951st rollershutter 532 144 11ms 8 Oct 2025 954th unfinishedprogram 532 166 10ms 14 Dec 2023 955th tomh1012 530 274 338ms 21 Nov 2021 956th jerrandolph 530 298 271ms 22 Oct 2023 957th maggym00 528 145 10ms 27 Apr 2021 957th AkashTandon167 528 145 9ms 25 May 2021 957th LeeCamp 528 145 10ms 9 Dec 2021 957th eshilo-draper 528 145 16ms 15 Jun 2023 957th Ythaenagor 528 145 19ms 5 Aug 2024 962nd ReidZ3 🇺🇸 528 333 367ms 1 Dec 2020 963rd MeWhenI 🇻🇦 527 286 42ms 26 Aug 2023 964th Laksen 🇩🇰 526 325 66ms 8 Jul 2021 965th fuzzylojik-golf 🇺🇸 525 133 590ms 3 Jul 2025 966th MisterrLuck 525 146 10ms 3 Sep 2023 966th Command-Master 525 146 10ms 24 Sep 2023 966th solisolu 525 146 11ms 20 days ago 969th albanian-laundromat 524 476 12ms 8 Sep 2025 970th rak1507 🇬🇧 523 58 35ms 5 Nov 2021 970th dpinchbe 523 58 36ms 6 Sep 2024 972nd snoozingnewt 🇺🇸 523 163 791ms 2 Oct 2025 973rd piano-miles 523 169 9ms 6 Sep 2024 974th dokutan 523 195 3,103ms 26 Oct 2024 975th NickTheEASDude 🇺🇸 523 214 13ms 11 Oct 2024 First Prev 901–975 of 1,276 Next Last