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 241st GrayJoKing 🇦🇺 824 139 362ms 6 Jul 2024 242nd emgordon154 823 124 3,774ms 2 Apr 2025 243rd MeWhenI 🇻🇦 823 165 265ms 1 Jul 2024 244th qpwoeirut 821 95 12ms 1 Oct 2025 245th xsot 🇸🇬 821 104 2ms 4 Jul 2024 246th dcgjb 819 83 285ms 3 Jul 2024 246th SirBogman 🇺🇸 819 83 296ms 3 Jul 2024 248th jared-hughes 819 175 15ms 16 Jul 2024 249th primo-ppcg 🇹🇭 818 256 31ms 13 Aug 2025 250th edsrzf 🇳🇿 817 124 25ms 16 days ago 251st albanian-laundromat 817 126 42ms 6 Sep 2025 252nd nwellnhof 🇩🇪 816 60 232ms 5 Jul 2024 253rd m-tkach 🇺🇦 816 148 42ms 15 Jan 2025 254th SirBogman 🇺🇸 815 46 3ms 4 Jul 2024 255th MeWhenI 🇻🇦 815 121 2ms 7 Aug 2024 256th DialFrost 🇸🇬 814 104 2ms 19 Nov 2025 257th DialFrost 🇸🇬 814 257 34ms 13 Aug 2025 258th snoozingnewt 🇨🇦 813 142 111ms 10 days ago 259th jmerle 🇳🇱 812 96 11ms 4 Jul 2024 260th MeWhenI 🇻🇦 811 127 39ms 16 Jul 2024 261st canissimia 🇦🇶 811 213 1,736ms 22 Oct 2024 262nd Shanethegamer 🇺🇸 810 85 332ms 13 Sep 2024 263rd DialFrost 🇸🇬 810 155 42ms 25 Apr 2025 264th kg583 🇺🇸 809 124 5ms 29 hours ago 265th MeWhenI 🇻🇦 809 241 1,675ms 7 Nov 2025 266th duckyluuk 🇳🇱 808 108 11ms 12 Dec 2024 267th error256 807 135 379ms 1 Jul 2024 268th DialFrost 🇸🇬 806 253 530ms 3 Mar 2025 269th lynn 805 146 30ms 2 Jul 2024 270th stefangimmillaro 804 127 3,466ms 6 Jan 2025 271st GrayJoKing 🇦🇺 802 123 2ms 23 Jul 2024 272nd Shanethegamer 🇺🇸 802 127 348ms 25 Feb 2025 273rd albanian-laundromat 801 109 22ms 12 Sep 2025 274th sean-niemann 🇺🇸 801 143 349ms 8 Oct 2024 275th MeWhenI 🇻🇦 801 167 30ms 8 Aug 2024 276th MarcMush 🇫🇷 800 86 646ms 31 Jul 2024 277th albanian-laundromat 800 167 15ms 14 Jul 2025 278th GolfingSuccess 🇬🇷 800 255 712ms 18 Jan 2025 279th DialFrost 🇸🇬 799 145 104ms 27 Nov 2024 280th GolfingSuccess 🇬🇷 798 107 2ms 1 Jul 2024 280th JohandeRuiter 🇳🇱 798 107 2ms 10 Sep 2024 280th DialFrost 🇸🇬 798 107 2ms 27 Nov 2024 283rd Shanethegamer 🇺🇸 797 131 443ms 25 Feb 2025 284th ovs-code 🇩🇪 796 180 10ms 15 Jul 2024 285th DialFrost 🇸🇬 796 245 1,717ms 13 Sep 2025 286th MeWhenI 🇻🇦 795 144 366ms 27 Jul 2024 287th jared-hughes 794 87 10ms 3 Jul 2024 288th ovs-code 🇩🇪 794 257 469ms 25 Jan 2025 289th Shanethegamer 🇺🇸 791 119 55ms 25 Feb 2025 290th DialFrost 🇸🇬 791 128 15ms 11 Dec 2024 291st MeWhenI 🇻🇦 791 129 3,152ms 24 Oct 2024 292nd acotis 791 168 163ms 17 May 2025 293rd wh3n3v3r 🇨🇿 787 99 10ms 12 Nov 2024 293rd KatieLG 🇬🇧 787 99 12ms 25 May 2025 293rd Babafaba 787 99 67ms 26 Oct 2025 296th stefangimmillaro 787 169 152ms 25 Aug 2024 297th DialFrost 🇸🇬 785 90 6ms 25 Aug 2024 298th Shanethegamer 🇺🇸 784 139 378ms 25 Feb 2025 299th JayXon 🇺🇸 782 88 1,188ms 8 Jul 2024 300th DialFrost 🇸🇬 782 144 180ms 16 Nov 2024 301st DialFrost 🇸🇬 781 142 42ms 13 Feb 2025 302nd Shanethegamer 🇺🇸 781 171 3ms 13 Sep 2024 303rd canissimia 🇦🇶 779 299 6ms 21 Jul 2024 304th emgordon154 778 108 26ms 22 May 2025 305th Yax42 🇫🇷 778 131 422ms 7 Oct 2025 306th MeWhenI 🇻🇦 778 269 35ms 20 Apr 2025 307th lukegustafson 🇺🇸 777 89 10ms 2 Jul 2024 308th annaproxy 777 118 16ms 31 Aug 2025 309th MeWhenI 🇻🇦 775 162 41ms 29 Apr 2025 310th DialFrost 🇸🇬 773 89 534ms 8 Jul 2024 311th MeWhenI 🇻🇦 773 141 390ms 1 Jul 2024 312th RaBa21 🇭🇺 772 101 10ms 12 Jul 2025 312th luuumine 🇫🇷 772 101 10ms 14 Oct 2025 314th tatzyr 🇯🇵 770 76 40ms 24 Feb 2025 315th MeWhenI 🇻🇦 770 110 2ms 1 Jul 2024 316th error256 769 111 2ms 1 Jul 2024 317th MeWhenI 🇻🇦 768 174 3ms 2 Jul 2024 318th frankgraziano 765 88 36ms 11 Nov 2025 319th emplv 🇱🇻 764 113 101ms 5 Jul 2024 320th DialFrost 🇸🇬 763 83 3ms 22 Jan 2025 First Prev 241–320 of 681 Next Last