The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Zeckendorf Representation 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 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 Chars Time Submitted 321st Natanaelel 🇸🇪 760 77 36ms 1 Jul 2024 322nd voytxt 🇨🇿 760 91 9ms 22 Jul 2024 323rd DialFrost 🇸🇬 758 151 359ms 4 Jul 2024 324th HumanoidCPU 757 103 10ms 1 Jul 2024 325th CaedenHarper 🇨🇦 756 96 789ms 23 Oct 2025 326th Shanethegamer 🇺🇸 756 112 2ms 13 Sep 2024 327th MostParsingVex 756 144 416ms 28 Jul 2024 328th MeWhenI 🇻🇦 755 90 255ms 14 Jul 2024 329th MeWhenI 🇻🇦 754 84 3ms 7 Aug 2024 330th Shanethegamer 🇺🇸 754 113 75ms 5 Dec 2024 331st stefangimmillaro 751 94 6ms 27 Aug 2024 332nd h3ra993huskp 🇯🇵 751 149 468ms 30 Nov 2025 333rd Shanethegamer 🇺🇸 749 95 461ms 30 Mar 2025 333rd Babafaba 749 95 412ms 26 Oct 2025 335th DialFrost 🇸🇬 748 90 1,269ms 20 Sep 2024 336th MeWhenI 🇻🇦 748 97 709ms 15 Sep 2025 337th Natanaelel 🇸🇪 747 75 36ms 14 Jul 2024 338th mousetail 🇳🇱 747 178 177ms 1 Jul 2024 339th albanian-laundromat 747 273 485ms 27 Oct 2025 340th madeforlosers 743 93 9ms 23 Oct 2024 341st MeWhenI 🇻🇦 742 107 945ms 1 Jul 2024 342nd ovs-code 🇩🇪 741 96 521ms 2 Jul 2024 343rd MeWhenI 🇻🇦 741 127 36ms 1 Jul 2024 344th nwellnhof 🇩🇪 740 79 36ms 2 Jul 2024 345th retrohun 740 91 19ms 23 Oct 2025 346th edsrzf 🇳🇿 740 98 1,062ms 13 Sep 2025 347th MeWhenI 🇻🇦 740 141 424ms 1 Jul 2024 348th MeWhenI 🇻🇦 738 126 149ms 1 Jul 2024 348th Shanethegamer 🇺🇸 738 126 109ms 24 May 2025 350th edsrzf 🇳🇿 738 136 4ms 4 Jul 2025 351st solisolu 736 116 2ms 18 Nov 2025 352nd helbling 🇨🇭 735 94 11ms 1 Jul 2024 353rd wuzekai518 735 106 11ms 7 Aug 2024 354th AlephSquirrel 734 138 19ms 4 Oct 2024 355th ovs-code 🇩🇪 733 99 77ms 16 days ago 356th Shanethegamer 🇺🇸 732 123 8ms 12 Sep 2024 357th Natanaelel 🇸🇪 731 67 170ms 1 Jul 2024 358th stefangimmillaro 731 80 41ms 22 Aug 2024 358th Shanethegamer 🇺🇸 731 80 42ms 12 Sep 2024 360th Shanethegamer 🇺🇸 731 93 246ms 13 Sep 2024 361st gjoacorp 🇬🇧 731 149 471ms 4 Aug 2025 362nd Steffan153 🇫🇮 731 153 480ms 3 Jul 2024 363rd Shanethegamer 🇺🇸 729 139 14ms 13 Sep 2024 364th thisishowmymindworks 🇳🇴 728 95 9ms 1 Jul 2024 364th Natanaelel 🇸🇪 728 95 10ms 1 Jul 2024 364th CaedenHarper 🇨🇦 728 95 9ms 23 Aug 2025 367th emgordon154 728 109 999ms 2 Apr 2025 368th albanian-laundromat 726 155 138ms 20 Nov 2025 369th MeWhenI 🇻🇦 723 118 2ms 5 Jul 2024 369th Shanethegamer 🇺🇸 723 118 2ms 25 Feb 2025 371st MeWhenI 🇻🇦 723 184 213ms 7 Aug 2024 372nd MeWhenI 🇻🇦 723 282 452ms 9 Feb 2025 373rd MeWhenI 🇻🇦 722 81 43ms 1 Jul 2024 373rd DialFrost 🇸🇬 722 81 37ms 29 Nov 2025 375th Shanethegamer 🇺🇸 720 88 3ms 13 Sep 2024 376th HumanoidCPU 719 99 367ms 1 Jul 2024 377th CatsAreFluffy 719 185 160ms 16 Nov 2024 378th msbranicky 718 118 2ms 3 Jul 2024 379th msbranicky 718 186 3ms 3 Jul 2024 380th emgordon154 717 119 2ms 18 Jul 2024 381st emgordon154 717 140 9ms 12 Jan 2025 382nd Natanaelel 🇸🇪 717 158 182ms 1 Jul 2024 383rd Kacarott 🇦🇺 716 119 69ms 2 Jul 2024 384th SB-945 715 109 10ms 10 Jan 2025 385th jared-hughes 715 138 2ms 4 Jul 2024 386th tobeannouncd 713 159 141ms 25 Apr 2025 387th elgan65536 711 187 176ms 6 Jul 2024 388th MeWhenI 🇻🇦 709 154 4ms 9 Aug 2024 389th DialFrost 🇸🇬 708 122 112ms 15 Dec 2024 390th SirBogman 🇺🇸 705 83 38ms 1 Jul 2024 391st KatieLG 🇬🇧 705 101 392ms 28 Oct 2024 392nd jatloe 702 111 14ms 24 Jul 2024 393rd Shanethegamer 🇺🇸 702 158 38ms 13 Sep 2024 394th MostParsingVex 700 122 2ms 9 Sep 2024 395th targrik 699 101 5ms 18 May 2025 396th KatieLG 🇬🇧 696 84 41ms 2 Oct 2025 397th Shanethegamer 🇺🇸 696 90 137ms 15 Jan 2025 398th dokutan 696 112 10ms 2 Jul 2024 399th SirBogman 🇺🇸 691 103 490ms 4 Jul 2024 400th dokutan 690 143 2ms 2 Jul 2024 First Prev 321–400 of 681 Next Last