The Tower of Hanoi hole will go live in approximately 6 hours. Why not try and solve it ahead of time?
Recamán 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 charlieharutaka 691 98 16ms 16 Nov 2021 902nd richard-oelze 🇩🇪 690 78 16ms 13 May 2021 902nd Kloppermand 🇩🇰 690 78 17ms 29 Nov 2021 902nd Omega65536 🇩🇪 690 78 11ms 24 Nov 2022 902nd Fanrco 690 78 9ms 4 Sep 2023 902nd Techdude01 690 78 10ms 11 Jan 2024 902nd Mabeloid 🇳🇴 690 78 11ms 3 Oct 2024 902nd Alban-Boissard 690 78 10ms 14 Jun 2025 902nd Flekay 🇩🇪 690 78 16ms 10 Jul 2025 910th kg583 🇺🇸 690 85 5ms 5 Oct 2025 911th luuumine 🇫🇷 690 92 2ms 23 days ago 912th Yewzir 🇧🇪 690 197 1,586ms 16 days ago 913th dokutan 689 68 119ms 15 Jun 2025 914th annaproxy 688 59 35ms 27 Aug 2022 915th MeWhenI 🇻🇦 688 95 58ms 9 May 2023 916th cure-honey 🇯🇵 688 133 26ms 10 Jul 2021 917th hymanimy 687 100 204ms 19 Aug 2021 917th Andriamanitra 🇫🇮 687 100 135ms 28 Feb 2025 919th MeWhenI 🇻🇦 687 237 11ms 19 Apr 2025 920th ereztaiar 🇮🇱 686 72 8ms 7 Sep 2021 920th Yax42 🇫🇷 686 72 9ms 5 Sep 2025 922nd MeWhenI 🇻🇦 686 121 1,283ms 14 Jun 2023 923rd emgordon154 686 124 158ms 27 Feb 2025 924th cure-honey 🇯🇵 685 97 81ms 4 Jul 2021 925th razetime 684 42 2ms 2 Oct 2022 926th Shanethegamer 🇺🇸 684 71 81ms 12 Dec 2022 926th MeWhenI 🇻🇦 684 71 83ms 12 Dec 2022 928th m42km 682 75 496ms 4 Feb 2024 929th Andriamanitra 🇫🇮 682 86 4ms 28 Feb 2025 930th Alex-Huggett 🇬🇧 682 120 316ms 13 Apr 2024 931st Brianzhengca 681 79 15ms 2 Feb 2021 931st feherd 681 79 10ms 4 Mar 2022 931st petroselo 681 79 17ms 12 Apr 2022 931st Ripick 681 79 10ms 13 Aug 2022 931st Eilonlif 🇮🇱 681 79 16ms 7 Sep 2022 931st celiendonze 🇨🇭 681 79 10ms 17 Apr 2023 931st ridingqwerty 🇺🇸 681 79 9ms 5 Feb 2024 931st Lv0Sys 🇵🇱 681 79 16ms 22 Jun 2025 939th Shanethegamer 🇺🇸 681 100 16ms 8 Sep 2021 940th snoozingnewt 🇺🇸 680 92 2ms 24 Sep 2025 941st albanian-laundromat 680 204 517ms 17 Oct 2025 942nd Feniske 🇫🇷 679 62 214ms 4 Oct 2022 943rd MeWhenI 🇻🇦 678 135 27ms 13 Jul 2021 944th ShiraJoseph 🇺🇸 676 73 8ms 11 May 2023 944th thisishowmymindworks 🇳🇴 676 73 9ms 8 Jun 2023 946th nipzu 675 126 132ms 13 Jan 2022 947th namelessiw 673 76 579ms 5 Mar 2024 948th timchu 673 80 9ms 8 Mar 2021 948th jameslindesay 673 80 16ms 24 Mar 2021 948th AIn0n 673 80 11ms 8 Jul 2021 948th myleopard 673 80 10ms 13 Oct 2021 948th abba23 673 80 18ms 24 May 2022 948th alexjurkiewicz 🇦🇺 673 80 10ms 16 Jul 2022 948th PyryL 🇫🇮 673 80 13ms 25 Aug 2024 948th alemelis 673 80 12ms 17 Oct 2024 948th Europe2048 673 80 11ms 25 Nov 2024 948th jacekwladzinski 673 80 9ms 4 Oct 2025 958th cure-honey 🇯🇵 670 127 120ms 4 Jul 2021 958th dokutan 670 127 159ms 6 Jun 2025 960th akamayu-ouo 🇹🇼 669 43 2ms 30 Jul 2024 961st SirBogman 🇺🇸 668 43 3ms 30 Dec 2020 962nd raphaelimahorn 667 74 9ms 18 Aug 2021 962nd inverseLorentz 🇦🇺 667 74 9ms 22 Nov 2023 962nd alexsave 667 74 9ms 17 days ago 965th MeWhenI 🇻🇦 666 94 2ms 7 May 2023 966th Yewzir 🇧🇪 665 123 320ms 10 May 2023 967th bac0id 665 126 55ms 2 Jul 2024 968th Ripick 664 75 196ms 24 Jun 2025 969th itiievskyi 🇺🇦 664 81 9ms 5 Jan 2021 969th lmolteno 664 81 9ms 10 Mar 2021 969th 4ndyJ 🇬🇧 664 81 10ms 11 Jan 2023 969th codingisgreatbutiamnot 664 81 9ms 26 Aug 2024 969th yokasuretsu 664 81 10ms 6 Jan 2025 974th lionbryce 663 93 2ms 7 Aug 2024 975th primo-ppcg 🇹🇭 661 50 158ms 31 Dec 2020 First Prev 901–975 of 1,975 Next Last