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 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 160th sean-niemann 🇺🇸 871 117 349ms 20 Jun 2025 160th stefangimmillaro 871 117 374ms 20 Jun 2025 163rd inventshah 871 125 395ms 16 days ago 164th stefangimmillaro 871 156 296ms 22 Aug 2024 165th MeWhenI 🇻🇦 870 62 7ms 7 Aug 2024 166th JayXon 🇺🇸 870 120 422ms 5 Jul 2024 167th bnic24 869 123 10ms 29 Jul 2024 167th iosovi 🇷🇴 869 123 11ms 9 Aug 2024 167th plcc0 869 123 10ms 4 Apr 2025 167th KasperKivimaeki 🇫🇮 869 123 10ms 5 Jul 2025 167th fuzzylojik-golf 🇺🇸 869 123 10ms 6 Jul 2025 167th rucin93 🇵🇱 869 123 11ms 6 Jul 2025 167th snoozingnewt 🇨🇦 869 123 10ms 1 Oct 2025 167th ryyyn 🇺🇸 869 123 30ms 18 days ago 175th Shanethegamer 🇺🇸 868 113 75ms 5 Dec 2024 176th JayXon 🇺🇸 867 154 2ms 7 Jul 2024 176th DialFrost 🇸🇬 867 154 3ms 28 Nov 2025 178th ovs-code 🇩🇪 865 99 77ms 17 days ago 179th Shanethegamer 🇺🇸 865 119 39ms 15 Sep 2024 180th edsrzf 🇳🇿 865 132 41ms 24 May 2025 180th kg583 🇺🇸 865 132 38ms 24 May 2025 182nd KrausRaus 🇺🇸 864 80 9ms 2 Jul 2024 182nd duckyluuk 🇳🇱 864 80 10ms 3 Sep 2024 182nd Shanethegamer 🇺🇸 864 80 10ms 13 Sep 2024 185th sean-niemann 🇺🇸 864 98 2ms 19 Nov 2025 186th Steffan153 🇫🇮 864 100 95ms 5 Jul 2024 187th ovs-code 🇩🇪 864 126 405ms 1 Jul 2024 188th sean-niemann 🇺🇸 864 134 97ms 1 Jul 2024 188th MeWhenI 🇻🇦 864 134 99ms 1 Jul 2024 190th m-tkach 🇺🇦 864 136 30ms 27 Sep 2024 191st ovs-code 🇩🇪 863 121 474ms 27 Jul 2024 192nd 2bular 862 65 32ms 7 Nov 2025 193rd JayXon 🇺🇸 862 86 133ms 30 Oct 2024 194th SirBogman 🇺🇸 862 103 490ms 4 Jul 2024 195th mousetail 🇳🇱 862 124 12ms 2 Jul 2024 195th FlorianCassayre 🇫🇷 862 124 10ms 6 Jul 2024 195th codingisgreatbutiamnot 862 124 10ms 24 Aug 2024 195th mathisfun271 862 124 31ms 3 Oct 2024 199th Steffan153 🇫🇮 862 140 128ms 25 Jul 2024 199th emgordon154 862 140 23ms 10 Jun 2025 201st Steffan153 🇫🇮 861 76 38ms 1 Jul 2024 201st error256 861 76 34ms 1 Jul 2024 203rd sean-niemann 🇺🇸 861 82 6ms 1 Jul 2024 204th DialFrost 🇸🇬 861 108 103ms 24 May 2025 205th Shanethegamer 🇺🇸 860 158 265ms 13 Sep 2024 206th MeWhenI 🇻🇦 859 133 43ms 13 Feb 2025 207th Steffan153 🇫🇮 858 115 2ms 1 Jul 2024 208th DialFrost 🇸🇬 858 136 14ms 4 Jul 2024 209th Shanethegamer 🇺🇸 858 155 157ms 16 Sep 2024 210th rucin93 🇵🇱 856 99 2ms 19 Nov 2025 210th GolfingSuccess 🇬🇷 856 99 2ms 20 Nov 2025 212th DialFrost 🇸🇬 856 110 38ms 28 Feb 2025 213th DialFrost 🇸🇬 856 122 402ms 27 Nov 2024 214th Lv0Sys 🇵🇱 855 125 11ms 17 days ago 215th ovs-code 🇩🇪 854 101 2ms 2 Jul 2024 215th nwellnhof 🇩🇪 854 101 2ms 2 Jul 2024 215th inventshah 854 101 2ms 2 Jul 2024 215th Steffan153 🇫🇮 854 101 2ms 3 Jul 2024 219th kg583 🇺🇸 854 104 429ms 1 Jul 2024 220th stefangimmillaro 854 147 43ms 13 Jul 2025 221st sean-niemann 🇺🇸 854 159 265ms 1 Jul 2024 222nd Shanethegamer 🇺🇸 853 132 173ms 13 Sep 2024 223rd m-tkach 🇺🇦 852 157 25ms 5 Jul 2024 224th Steffan153 🇫🇮 851 138 30ms 2 Jul 2024 224th Shanethegamer 🇺🇸 851 138 29ms 13 Sep 2024 226th sean-niemann 🇺🇸 851 157 3ms 24 Aug 2025 227th Natanaelel 🇸🇪 850 77 36ms 1 Jul 2024 227th sean-niemann 🇺🇸 850 77 37ms 15 Oct 2025 229th sean-niemann 🇺🇸 849 123 422ms 4 Jul 2024 230th edsrzf 🇳🇿 849 160 273ms 17 Dec 2024 231st starfihs 848 126 29ms 2 Jul 2024 231st zbreit 🇺🇸 848 126 10ms 9 Jul 2024 231st StardustGogeta 848 126 10ms 9 Jul 2024 231st andrewjc2000 848 126 12ms 25 Jul 2025 231st annaproxy 848 126 11ms 31 Aug 2025 236th namelessiw 848 132 458ms 10 Oct 2025 237th sean-niemann 🇺🇸 847 102 104ms 21 days ago 238th GolfingSuccess 🇬🇷 847 103 19ms 8 Jan 2025 239th Shanethegamer 🇺🇸 847 127 1,306ms 12 Sep 2024 240th GolfingSuccess 🇬🇷 846 105 411ms 1 Jul 2024 First Prev 161–240 of 684 Next Last