The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Zeckendorf Representation in Python 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 79th Alex-x90 🇺🇸 806 139 13ms 14 Jul 2024 79th vhoulbreque 🇫🇷 806 139 38ms 9 Feb 2025 79th qpwoeirut 806 139 12ms 25 Sep 2025 84th Natanaelel 🇸🇪 800 140 10ms 2 Jul 2024 85th jmerle 🇳🇱 794 141 11ms 4 Jul 2024 86th neihousaigaai 789 142 10ms 29 Sep 2024 87th Stockoh 🇫🇷 783 143 11ms 29 Sep 2024 87th snydej 783 143 30ms 21 Nov 2024 89th scpchicken 🇵🇼 778 144 31ms 13 Jul 2024 90th commandblockguy 🇺🇸 772 145 12ms 1 Jul 2024 90th jared-hughes 772 145 10ms 3 Jul 2024 90th wh3n3v3r 🇨🇿 772 145 9ms 18 Nov 2024 90th Babafaba 772 145 71ms 2 Nov 2025 94th KrausRaus 🇺🇸 767 146 10ms 4 Jul 2024 94th ComputerKWasTaken 🇺🇸 767 146 11ms 4 Jul 2024 94th hellwue 767 146 28ms 18 Jul 2024 94th btjones0 767 146 9ms 7 Feb 2025 98th fgrosshans 🇫🇷 757 148 10ms 9 Jul 2024 98th KatieLG 🇬🇧 757 148 12ms 20 Apr 2025 100th StefanHabel 🇨🇦 752 149 11ms 22 Mar 2025 100th luuumine 🇫🇷 752 149 11ms 17 days ago 102nd BREMAUCY 🇫🇷 747 150 10ms 3 Jul 2024 103rd roguh 🇬🇹 742 151 11ms 30 Jul 2024 104th hiichbindermax 737 152 10ms 15 Jul 2024 104th RaBa21 🇭🇺 737 152 10ms 12 Jul 2025 104th InigoK 🇺🇸 737 152 214ms 4 Sep 2025 104th Andrey2001 737 152 11ms 29 hours ago 108th leon-w 732 153 10ms 24 Jul 2024 109th HumanoidCPU 718 156 10ms 1 Jul 2024 109th CutSandstone 718 156 9ms 2 Jul 2024 111th mbittner20 713 157 9ms 11 Jul 2024 111th Vaekor 713 157 10ms 23 Jul 2024 111th theadamabrams 713 157 11ms 26 Dec 2024 114th jacekwladzinski 704 159 10ms 7 Oct 2025 115th vgamula 🇺🇦 700 160 35ms 3 Jul 2024 116th jtaxen 691 162 10ms 2 Jul 2024 116th nstearns96 🇬🇧 691 162 12ms 9 Jul 2024 116th wuzekai518 691 162 11ms 23 Jul 2024 119th Pyroan 687 163 10ms 14 May 2025 120th OCNeve 683 164 9ms 3 Jul 2024 120th Upload-and-View 🇺🇦 683 164 10ms 9 Aug 2025 122nd AtengChen 679 165 10ms 14 Aug 2024 123rd jatloe 667 168 11ms 24 Aug 2024 123rd SB-945 667 168 10ms 10 Jan 2025 125th marcin7Cd 659 170 10ms 11 Jul 2024 125th YAJUE114514 659 170 10ms 31 Jul 2025 127th sheen4n 655 171 10ms 21 Jul 2024 127th FortuiteMan 🇫🇷 655 171 11ms 26 Sep 2024 129th dokutan 647 173 9ms 2 Jul 2024 129th klixel 🇨🇦 647 173 11ms 20 Jan 2025 131st croc54 644 174 10ms 17 Jan 2025 132nd madex 🇩🇪 622 180 10ms 1 Jul 2024 133rd robin-scragg 605 185 10ms 5 Jul 2025 134th ginop 602 186 10ms 2 Jul 2024 134th inverseLorentz 🇦🇺 602 186 10ms 8 Jul 2024 136th OllieBoyne 🇬🇧 593 189 10ms 12 Jul 2024 137th Mabeloid 🇳🇴 580 193 11ms 11 Sep 2024 138th zt14427 552 203 9ms 1 Jul 2024 139th jameswmccarty 507 221 10ms 10 Jul 2024 140th azure-blondon 491 228 10ms 7 Jul 2024 141st yuchuehw 489 229 10ms 5 Jul 2024 142nd TheZwierzLF 🇵🇱 463 242 12ms 23 days ago 143rd galloj 🇨🇿 461 243 15ms 26 Aug 2024 144th Zhenyu-Bo 406 276 10ms 1 Aug 2025 145th aksyristos 318 352 10ms 27 Sep 2024 146th AidanWalter 156 716 10ms 3 Jan 2025 First Prev 81–146 of 146
