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 481st msbranicky 629 216 258ms 4 Jul 2024 482nd SirBogman 🇺🇸 628 200 44ms 3 Jun 2025 483rd MeWhenI 🇻🇦 627 160 4ms 2 Jul 2024 484th msbranicky 626 163 3,086ms 7 Jan 2025 485th Lv0Sys 🇵🇱 624 125 11ms 17 days ago 486th error256 624 139 11ms 17 Sep 2024 487th KatieLG 🇬🇧 623 111 10ms 5 Oct 2025 488th mousetail 🇳🇱 623 137 3ms 1 Jul 2024 489th MeWhenI 🇻🇦 621 91 2ms 1 Jul 2024 490th DialFrost 🇸🇬 621 145 10ms 28 Dec 2024 491st zbreit 🇺🇸 619 126 10ms 9 Jul 2024 491st StardustGogeta 619 126 10ms 9 Jul 2024 491st andrewjc2000 619 126 12ms 25 Jul 2025 491st annaproxy 619 126 11ms 31 Aug 2025 495th bac0id 619 176 402ms 1 Jul 2024 496th msbranicky 619 185 342ms 5 Jul 2024 497th rucin93 🇵🇱 614 102 143ms 31 Oct 2024 498th stefangimmillaro 614 127 11ms 22 Aug 2024 499th error256 608 103 137ms 13 Aug 2024 500th blaztoma 🇱🇹 604 129 11ms 10 days ago 501st LukeBridges 🇬🇧 601 115 10ms 10 Oct 2024 502nd jared-hughes 596 113 23ms 4 Jul 2024 503rd moustave 595 131 11ms 31 Mar 2025 504th error256 593 120 541ms 13 Aug 2024 505th junkondo-jp 591 117 9ms 15 Dec 2024 506th adamnielson42 🇺🇸 591 132 10ms 7 Oct 2024 507th MeWhenI 🇻🇦 585 107 143ms 3 Aug 2024 508th Salutations45 583 97 3ms 29 Dec 2024 509th MeWhenI 🇻🇦 583 193 126ms 1 Jul 2024 510th msbranicky 582 134 9ms 1 Jul 2024 510th Emutis 🇱🇹 582 134 10ms 3 Nov 2024 512th FortuiteMan 🇫🇷 577 135 11ms 7 days ago 513th guilhem-roy 🇫🇷 573 136 1,008ms 10 Jul 2024 513th aalec 573 136 10ms 22 Nov 2025 515th dokutan 570 158 8ms 21 Jul 2025 516th wobblybits 569 137 10ms 19 Aug 2025 516th shelerr 569 137 10ms 22 Aug 2025 516th retrohun 569 137 13ms 23 Oct 2025 519th msbranicky 566 235 175ms 4 Jul 2024 520th ZakkkkAttackkkk 🇵🇭 565 138 11ms 2 Jul 2024 520th dirckvdende 565 138 10ms 2 Aug 2025 522nd msbranicky 563 165 139ms 4 Jul 2024 523rd elgan65536 561 139 11ms 5 Jul 2024 523rd cykim8811 561 139 10ms 10 Jul 2024 523rd Alex-x90 🇺🇸 561 139 13ms 14 Jul 2024 523rd vhoulbreque 🇫🇷 561 139 38ms 9 Feb 2025 527th bac0id 560 182 359ms 1 Jul 2024 528th alemelis 559 123 790ms 26 Aug 2024 529th alexsave 557 124 9ms 13 Nov 2024 530th Natanaelel 🇸🇪 557 140 10ms 2 Jul 2024 531st MeWhenI 🇻🇦 556 162 12ms 1 Jul 2024 532nd bac0id 551 155 2ms 3 Jul 2024 533rd neihousaigaai 549 142 10ms 29 Sep 2024 534th Stockoh 🇫🇷 545 143 11ms 29 Sep 2024 534th snydej 545 143 30ms 21 Nov 2024 536th JOrE20 🇺🇸 544 125 265ms 4 days ago 537th madex 🇩🇪 544 127 10ms 1 Jul 2024 537th weliveinhell 🇭🇹 544 127 9ms 4 Jul 2024 539th emgordon154 542 108 36ms 26 Jul 2024 540th scpchicken 🇵🇼 541 144 31ms 13 Jul 2024 541st MeWhenI 🇻🇦 540 199 1,243ms 2 Jul 2024 542nd commandblockguy 🇺🇸 538 145 12ms 1 Jul 2024 542nd jared-hughes 538 145 10ms 3 Jul 2024 544th olleicua 🇺🇸 537 109 39ms 3 Jul 2024 545th zakariamouhid 536 129 10ms 3 Jul 2024 546th MeWhenI 🇻🇦 536 162 14ms 2 Jul 2024 547th KrausRaus 🇺🇸 534 146 10ms 4 Jul 2024 547th ComputerKWasTaken 🇺🇸 534 146 11ms 4 Jul 2024 547th hellwue 534 146 28ms 18 Jul 2024 547th btjones0 534 146 9ms 7 Feb 2025 551st Shanethegamer 🇺🇸 532 92 125ms 24 Sep 2024 552nd snoozingnewt 🇨🇦 532 130 10ms 29 Sep 2025 553rd msbranicky 531 134 480ms 1 Jul 2024 554th fgrosshans 🇫🇷 527 148 10ms 9 Jul 2024 555th commandblockguy 🇺🇸 523 136 533ms 1 Sep 2025 556th StefanHabel 🇨🇦 523 149 11ms 22 Mar 2025 557th BREMAUCY 🇫🇷 520 150 10ms 3 Jul 2024 558th dokutan 517 180 148ms 1 Jul 2024 559th roguh 🇬🇹 516 151 11ms 30 Jul 2024 560th luuumine 🇫🇷 514 166 2ms 27 days ago First Prev 481–560 of 681 Next Last