The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Tower of Hanoi 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 Tower of Hanoi 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 721st prestosilver 🇺🇸 550 99 130ms 3 days ago 722nd SirBogman 🇺🇸 548 59 5ms 19 days ago 723rd HumanoidCPU 545 88 264ms 21 days ago 724th Schmitt-Very-Cool 541 130 446ms 21 days ago 725th CLOStrophobic 🇮🇹 540 93 10ms 18 days ago 726th Schmitt-Very-Cool 540 142 27ms 17 days ago 727th emgordon154 538 79 3ms 24 Nov 2025 728th dokutan 535 357 12ms 23 days ago 729th lacrosse 532 84 54ms 22 days ago 730th HumanoidCPU 528 95 76ms 22 days ago 731st aksyristos 526 85 52ms 18 days ago 732nd aksyristos 526 146 27ms 18 days ago 733rd logalex8369 🇺🇸 523 96 10ms 3 days ago 734th Schmitt-Very-Cool 515 160 265ms 17 days ago 735th OllieBoyne 🇬🇧 512 98 12ms 10 days ago 736th bitsandbeyond 🇳🇱 512 131 116ms 23 days ago 737th ravnskjaer 🇩🇰 506 139 337ms 6 days ago 738th bitsandbeyond 🇳🇱 503 126 3ms 31 Oct 2025 739th aksyristos 500 165 248ms 18 days ago 740th CaedenHarper 🇨🇦 497 94 7ms 23 days ago 741st MeWhenI 🇻🇦 487 80 32ms 24 Nov 2025 742nd CaedenHarper 🇨🇦 469 218 447ms 22 days ago 743rd BREMAUCY 🇫🇷 465 165 27ms 19 days ago 744th HumanoidCPU 458 149 43ms 22 days ago 745th aksyristos 455 148 9ms 18 days ago 746th dokutan 454 175 96ms 9 days ago 747th logalex8369 🇺🇸 451 98 17ms 3 days ago 748th robbertvz 440 114 11ms 6 days ago 749th dokutan 439 161 67ms 9 days ago 750th Schmitt-Very-Cool 413 116 277ms 17 days ago 751st UnderKoen 🇳🇱 413 206 4ms 3 Nov 2025 752nd dokutan 399 95 6ms 8 days ago 753rd dokutan 384 266 392ms 9 days ago 754th dokutan 382 166 2ms 19 days ago 755th Msleizak 🇫🇷 381 126 279ms 23 days ago 756th dokutan 373 196 744ms 16 days ago 757th dokutan 363 122 130ms 20 days ago 758th BREMAUCY 🇫🇷 363 188 41ms 19 days ago 759th HumanoidCPU 362 166 1,354ms 22 days ago 760th JOrE20 🇺🇸 360 253 7ms 23 days ago 761st bitsandbeyond 🇳🇱 352 543 14ms 6 Nov 2025 762nd aksyristos 334 228 9ms 18 days ago 763rd JOrE20 🇺🇸 333 229 9ms 19 days ago 764th JOrE20 🇺🇸 333 248 261ms 20 days ago 765th aksyristos 332 220 78ms 18 days ago 766th CaedenHarper 🇨🇦 330 88 75ms 23 days ago 767th dokutan 320 200 14ms 23 days ago 768th MeWhenI 🇻🇦 318 287 7ms 23 Nov 2025 769th aksyristos 315 194 4,208ms 18 days ago 770th KatieLG 🇬🇧 314 326 477ms 21 days ago 771st dokutan 310 274 1ms 23 days ago 772nd Schmitt-Very-Cool 293 233 109ms 16 days ago 773rd BambooleanLogic 🇸🇪 275 161 12ms 20 hours ago 774th JOrE20 🇺🇸 274 310 2ms 17 days ago 775th JOrE20 🇺🇸 267 180 746ms 20 days ago 776th stefangimmillaro 264 173 1ms 1 Nov 2025 777th dokutan 259 318 250ms 9 days ago 778th Schmitt-Very-Cool 252 115 73ms 17 days ago 779th aksyristos 250 211 267ms 18 days ago 780th dokutan 247 308 7ms 20 days ago 781st Andrey2001 246 204 9ms 17 days ago 782nd dokutan 238 221 81ms 20 days ago 783rd aksyristos 236 203 256ms 18 days ago 784th dokutan 232 197 2ms 23 days ago 785th dokutan 230 303 41ms 20 days ago 786th dokutan 227 295 136ms 20 days ago 787th KatieLG 🇬🇧 223 327 69ms 21 days ago 788th KatieLG 🇬🇧 222 256 8ms 21 days ago 789th dokutan 198 360 11ms 20 days ago 790th JDiLenarda 🇫🇷 192 313 1,378ms 16 days ago 791st dokutan 190 255 2ms 20 days ago 792nd dokutan 186 343 19ms 20 days ago 793rd JOrE20 🇺🇸 184 268 570ms 20 days ago 794th dokutan 180 236 3ms 20 days ago 795th dokutan 177 283 634ms 20 days ago 796th aksyristos 168 406 41ms 18 days ago 797th dokutan 167 194 2ms 23 days ago 798th dokutan 166 234 33ms 23 days ago 799th dokutan 158 279 137ms 20 days ago 800th dokutan 152 191 41ms 20 days ago First Prev 721–800 of 1,112 Next Last