The Tower of Hanoi hole will go live in approximately 6 hours. Why not try and solve it ahead of time?
Jacobi Symbol 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 226th msbranicky 746 158 266ms 31 Aug 2023 227th MeWhenI 🇻🇦 744 209 3ms 12 Sep 2022 228th bob-th 742 109 17ms 8 Aug 2022 228th jakobkordez 🇸🇮 742 109 30ms 8 Nov 2022 228th neel11235813 742 109 17ms 17 Jan 2023 228th DialFrost 🇸🇬 742 109 17ms 19 Jan 2023 228th commandblockguy 🇺🇸 742 109 17ms 22 Aug 2023 228th Yewzir 🇧🇪 742 109 19ms 3 Jun 2024 234th Irratix 🇳🇱 741 145 2ms 13 Jun 2022 234th jared-hughes 741 145 2ms 23 Oct 2022 236th Irratix 🇳🇱 740 167 359ms 9 May 2022 236th sean-niemann 🇺🇸 740 167 361ms 10 Jun 2024 238th voytxt 🇨🇿 738 112 12ms 1 Mar 2023 238th KatieLG 🇬🇧 738 112 10ms 5 Oct 2025 240th GolfingSuccess 🇬🇷 737 139 2ms 9 days ago 241st ovs-code 🇩🇪 735 103 529ms 10 Jun 2024 242nd elgan65536 735 110 10ms 30 Mar 2024 242nd JunkIce 735 110 17ms 25 Nov 2024 242nd snoozingnewt 🇺🇸 735 110 30ms 31 Mar 2025 245th kg583 🇺🇸 735 167 6ms 19 days ago 246th Shanethegamer 🇺🇸 735 193 333ms 24 Sep 2025 247th sean-niemann 🇺🇸 734 165 431ms 10 Jun 2024 248th stefangimmillaro 734 172 107ms 23 Oct 2023 249th jared-hughes 732 113 11ms 19 Jul 2022 250th antimon2 🇯🇵 731 107 287ms 18 Aug 2022 251st lifthrasiir 🇰🇷 731 147 2ms 30 Nov 2024 252nd GolfingSuccess 🇬🇷 730 213 3ms 11 Sep 2022 253rd SB-945 729 111 17ms 24 Jan 2024 254th MeWhenI 🇻🇦 728 291 1,521ms 22 days ago 255th rucin93 🇵🇱 727 195 340ms 24 Sep 2025 256th m-tkach 🇺🇦 726 148 2ms 17 Jun 2022 256th sean-niemann 🇺🇸 726 148 2ms 10 Jun 2024 258th blaztoma 🇱🇹 725 108 239ms 13 Oct 2025 259th vlpx 🇫🇮 725 114 10ms 23 Sep 2024 260th GrayJoKing 🇦🇺 725 181 372ms 24 Jul 2025 261st h3ra993huskp 🇯🇵 724 196 357ms 14 hours ago 262nd duckyluuk 🇳🇱 721 105 412ms 28 Aug 2024 262nd KatieLG 🇬🇧 721 105 444ms 28 Oct 2024 264th GolfingSuccess 🇬🇷 721 149 2ms 10 May 2022 265th acotis 717 218 225ms 5 Jun 2025 266th dokutan 716 113 10ms 23 Jun 2024 266th RaBa21 🇭🇺 716 113 30ms 19 Jul 2025 268th UnderKoen 🇳🇱 716 177 5ms 20 Jan 2025 269th HPWiz 🇳🇿 715 106 646ms 4 Jun 2024 269th snoozingnewt 🇺🇸 715 106 619ms 28 Sep 2025 271st tomtheisen 🇺🇸 715 175 410ms 31 Jan 2025 272nd Kacarott 🇦🇺 713 157 84ms 28 Oct 2023 273rd albanian-laundromat 713 218 3ms 6 Jul 2025 274th MeWhenI 🇻🇦 711 144 2ms 23 Jun 2024 275th emplv 🇱🇻 711 150 105ms 20 Dec 2022 276th Sakisan 🇧🇪 711 175 181ms 11 May 2022 277th jmerle 🇳🇱 710 114 16ms 11 Jul 2023 278th MeWhenI 🇻🇦 710 176 372ms 23 Jun 2024 279th stefangimmillaro 710 220 261ms 23 Oct 2023 280th andersk 🇺🇸 707 221 239ms 29 Nov 2022 281st sean-niemann 🇺🇸 706 177 385ms 20 Jun 2025 282nd Shanethegamer 🇺🇸 705 179 109ms 11 May 2022 283rd Shanethegamer 🇺🇸 702 176 368ms 12 May 2022 284th neel11235813 701 108 393ms 27 Mar 2024 285th SirBogman 🇺🇸 698 67 3ms 9 May 2022 286th wh3n3v3r 🇨🇿 697 116 11ms 11 Nov 2024 287th jared-hughes 697 151 4ms 19 Jul 2022 288th dokutan 695 109 400ms 23 Jun 2024 289th YAJUE114514 695 179 178ms 15 Aug 2025 290th MeWhenI 🇻🇦 693 155 2ms 5 Jul 2024 290th Shanethegamer 🇺🇸 693 155 2ms 28 May 2025 292nd edsrzf 🇳🇿 692 208 10ms 30 Sep 2025 293rd Shanethegamer 🇺🇸 691 190 367ms 20 May 2022 294th JunkIce 689 110 408ms 3 Dec 2024 295th emgordon154 688 171 3,256ms 8 Nov 2024 296th emgordon154 687 103 121ms 6 Sep 2024 296th ovs-code 🇩🇪 687 103 137ms 17 Apr 2025 298th Waffle3z 687 153 2ms 29 Nov 2023 299th Shanethegamer 🇺🇸 687 182 352ms 26 Mar 2024 300th GrayJoKing 🇦🇺 686 173 40ms 29 Apr 2024 First Prev 226–300 of 689 Next Last