The Calendar hole will go live in approximately 3 hours. Why not try and solve it ahead of time?
Tower of Hanoi 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 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 ArkScript 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 ArkScript 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 Chars Time Submitted 721st Yewzir 🇧🇪 585 82 285ms 30 Nov 2025 722nd aksyristos 585 83 2ms 3 Dec 2025 723rd MeWhenI 🇻🇦 584 74 106ms 24 Nov 2025 724th dokutan 582 73 216ms 28 Nov 2025 725th Protothor 582 76 10ms 27 days ago 726th zgialor-lab 580 85 28ms 14 days ago 727th SwordF-Official 576 92 2ms 16 Nov 2025 727th HumanoidCPU 576 92 2ms 29 Nov 2025 729th Maashau 576 106 2ms 1 Dec 2025 730th BREMAUCY 🇫🇷 574 78 37ms 1 Dec 2025 731st Schmitt-Very-Cool 573 86 10ms 26 days ago 732nd MeWhenI 🇻🇦 573 111 16ms 28 Nov 2025 733rd HumanoidCPU 572 181 2,256ms 30 Nov 2025 734th Schmitt-Very-Cool 571 128 69ms 25 days ago 735th dokutan 567 110 68ms 19 days ago 736th albanian-laundromat 563 104 1,258ms 30 Oct 2025 737th HumanoidCPU 562 111 110ms 30 Nov 2025 738th CaedenHarper 🇨🇦 557 121 10ms 30 Nov 2025 739th TheZwierzLF 🇵🇱 552 81 36ms 10 days ago 740th bitsandbeyond 🇳🇱 551 107 4ms 16 Nov 2025 741st prestosilver 🇺🇸 549 99 130ms 13 days ago 742nd SirBogman 🇺🇸 548 59 5ms 2 Dec 2025 743rd HumanoidCPU 546 88 264ms 30 Nov 2025 744th dokutan 545 134 692ms 20 days ago 745th Schmitt-Very-Cool 541 130 446ms 1 Dec 2025 746th Schmitt-Very-Cool 541 142 27ms 26 days ago 747th emgordon154 538 79 3ms 24 Nov 2025 748th dokutan 535 357 12ms 28 Nov 2025 749th lacrosse 533 84 37ms 29 Nov 2025 750th CLOStrophobic 🇮🇹 530 93 10ms 27 days ago 751st HumanoidCPU 529 95 73ms 29 Nov 2025 752nd aksyristos 526 85 35ms 3 Dec 2025 753rd aksyristos 526 146 27ms 3 Dec 2025 754th Schmitt-Very-Cool 517 160 265ms 26 days ago 755th logalex8369 🇺🇸 514 96 10ms 13 days ago 756th dokutan 514 115 3ms 4 days ago 757th bitsandbeyond 🇳🇱 512 131 116ms 28 Nov 2025 758th ravnskjaer 🇩🇰 506 139 337ms 16 days ago 759th OllieBoyne 🇬🇧 503 98 12ms 20 days ago 760th aksyristos 501 165 248ms 3 Dec 2025 761st CaedenHarper 🇨🇦 498 94 7ms 29 Nov 2025 762nd te-chnical 497 89 14ms 8 days ago 763rd MeWhenI 🇻🇦 488 80 32ms 24 Nov 2025 764th bitsandbeyond 🇳🇱 470 126 3ms 31 Oct 2025 765th CaedenHarper 🇨🇦 469 218 1,500ms 30 Nov 2025 766th BREMAUCY 🇫🇷 466 165 27ms 2 Dec 2025 767th DrPrettyman 461 107 26ms 9 days ago 768th HumanoidCPU 458 149 43ms 30 Nov 2025 769th aksyristos 455 148 9ms 3 Dec 2025 770th logalex8369 🇺🇸 451 98 10ms 13 days ago 771st dokutan 449 175 96ms 19 days ago 772nd robbertvz 433 114 11ms 16 days ago 773rd Schmitt-Very-Cool 414 116 268ms 26 days ago 774th UnderKoen 🇳🇱 413 206 4ms 3 Nov 2025 775th dokutan 395 94 6ms 17 days ago 776th dokutan 384 266 1,426ms 19 days ago 777th Msleizak 🇫🇷 381 126 279ms 28 Nov 2025 778th BREMAUCY 🇫🇷 363 188 41ms 2 Dec 2025 779th JOrE20 🇺🇸 360 253 7ms 28 Nov 2025 780th HumanoidCPU 353 166 1,354ms 29 Nov 2025 781st bitsandbeyond 🇳🇱 352 543 14ms 6 Nov 2025 782nd aksyristos 334 228 9ms 3 Dec 2025 783rd JOrE20 🇺🇸 333 229 9ms 2 Dec 2025 784th JOrE20 🇺🇸 333 248 261ms 1 Dec 2025 785th aksyristos 332 220 78ms 3 Dec 2025 786th dokutan 331 159 88ms 1 Dec 2025 787th CaedenHarper 🇨🇦 330 88 48ms 28 Nov 2025 788th dokutan 322 217 43ms 1 Dec 2025 789th dokutan 320 200 14ms 28 Nov 2025 790th MeWhenI 🇻🇦 318 287 7ms 23 Nov 2025 791st aksyristos 315 194 3,712ms 3 Dec 2025 792nd KatieLG 🇬🇧 314 326 1,454ms 30 Nov 2025 793rd dokutan 310 274 1ms 28 Nov 2025 794th Schmitt-Very-Cool 293 233 42ms 25 days ago 795th BambooleanLogic 🇸🇪 275 161 10ms 10 days ago 796th JOrE20 🇺🇸 274 310 2ms 27 days ago 797th JOrE20 🇺🇸 267 180 746ms 1 Dec 2025 798th stefangimmillaro 264 173 1ms 1 Nov 2025 799th dokutan 260 318 250ms 19 days ago 800th Schmitt-Very-Cool 252 115 48ms 26 days ago First Prev 721–800 of 1,126 Next Last