The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Number Spiral 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 561st msbranicky 552 199 2ms 27 Jul 2023 562nd blaztoma 🇱🇹 551 128 52ms 15 Oct 2025 563rd SniperSmiley 🇺🇸 551 140 12ms 29 Aug 2023 563rd PixelSoftwareStudios 🇺🇸 551 140 9ms 11 Jun 2024 565th namelessiw 550 133 1,051ms 10 Apr 2024 566th MeWhenI 🇻🇦 550 161 5ms 28 May 2023 566th GolfingSuccess 🇬🇷 550 161 4ms 16 Aug 2024 568th coreynash 548 148 9ms 27 Nov 2023 569th retrohun 548 228 2ms 1 Jan 2023 570th janbehrens 🇩🇪 547 162 6ms 2 Jul 2023 571st MeWhenI 🇻🇦 545 164 1ms 26 May 2023 572nd MeWhenI 🇻🇦 545 229 2ms 12 May 2022 572nd GolfingSuccess 🇬🇷 545 229 2ms 16 May 2022 572nd Natanaelel 🇸🇪 545 229 2ms 19 May 2022 572nd lynn 545 229 2ms 27 May 2022 572nd inventshah 545 229 2ms 4 Jun 2022 572nd sisyphus-ppcg 🇦🇺 545 229 2ms 8 Jul 2022 572nd galloj 🇨🇿 545 229 2ms 25 Aug 2022 572nd dokutan 545 229 2ms 5 Oct 2023 572nd stefangimmillaro 545 229 2ms 15 Jul 2025 581st Shanethegamer 🇺🇸 544 149 9ms 27 Jan 2022 582nd Yewzir 🇧🇪 544 158 2ms 15 Oct 2023 583rd TobyBoyne 🇬🇧 543 142 10ms 29 Jan 2022 583rd Grrisly 543 142 16ms 25 Mar 2024 583rd CutSandstone 543 142 9ms 5 Jul 2024 586th Salutations45 541 150 8ms 9 Jan 2025 587th klixel 🇨🇦 541 205 402ms 17 May 2023 588th MeWhenI 🇻🇦 540 56 2ms 26 Jan 2022 589th snobee 🇨🇦 540 204 161ms 12 Dec 2022 590th Natanaelel 🇸🇪 539 132 2ms 25 May 2022 591st HumanoidCPU 538 184 121ms 29 Aug 2024 592nd Natanaelel 🇸🇪 537 151 8ms 26 Apr 2022 593rd PickausernamePi 536 144 9ms 23 Dec 2022 593rd namelessiw 536 144 10ms 10 Apr 2024 593rd Just4FunCoder 536 144 10ms 24 Sep 2025 596th msbranicky 529 243 269ms 15 Sep 2023 597th nstearns96 🇬🇧 528 146 9ms 15 Jul 2024 597th Pyroan 528 146 10ms 20 Mar 2025 599th Ripick 527 212 376ms 11 Aug 2024 600th janbehrens 🇩🇪 526 170 1ms 20 Jul 2022 601st MeWhenI 🇻🇦 525 169 7ms 13 Dec 2023 602nd BambooleanLogic 🇸🇪 523 155 9ms 22 Aug 2022 603rd error256 523 190 73ms 5 Feb 2025 604th angel-p57 🇯🇵 523 434 1ms 26 Nov 2023 605th jhpaques 🇫🇷 521 148 9ms 30 Jul 2022 606th zakariamouhid 520 156 8ms 5 Mar 2023 607th Qruintrox 520 172 2ms 25 Jun 2023 608th olleicua 🇺🇸 518 136 51ms 15 Feb 2024 609th BlankSpruce 518 149 9ms 15 Aug 2024 610th dokutan 518 231 2ms 21 days ago 611th elgan65536 517 213 165ms 6 Mar 2024 612th OmameBeans 516 197 397ms 27 Jun 2025 613th guilhem-roy 🇫🇷 514 150 9ms 22 Feb 2022 614th qrakhen 513 198 389ms 14 Nov 2025 615th Shanethegamer 🇺🇸 512 194 79ms 10 Mar 2023 616th MeWhenI 🇻🇦 511 47 35ms 26 Jan 2022 616th greenstuartj 511 47 39ms 3 Aug 2023 616th jhfranklin 🇬🇧 511 47 34ms 29 Aug 2023 619th Herbert00709 🇵🇱 511 217 89ms 6 Jan 2025 620th SB-945 508 152 9ms 12 Apr 2024 621st janbehrens 🇩🇪 508 200 335ms 27 Feb 2022 622nd two-bad 🇬🇧 507 160 8ms 25 Feb 2024 623rd GolfingSuccess 🇬🇷 506 298 7ms 12 Mar 2023 624th weliveinhell 🇭🇹 505 228 14ms 2 Oct 2023 625th MeWhenI 🇻🇦 505 363 1,746ms 22 Apr 2024 625th HumanoidCPU 505 363 1,738ms 28 Apr 2024 625th CaedenHarper 🇨🇦 505 363 1,663ms 16 Aug 2025 625th dokutan 505 363 1,681ms 13 Sep 2025 625th msbranicky 505 363 1,653ms 16 Sep 2025 625th Shanethegamer 🇺🇸 505 363 1,665ms 28 Sep 2025 631st neel11235813 504 299 7ms 14 Mar 2023 631st dokutan 504 299 7ms 1 Apr 2023 631st jmerle 🇳🇱 504 299 7ms 4 Jul 2023 634th CedricGebistorf 501 154 9ms 3 Mar 2022 634th sleepyStick 501 154 15ms 14 Mar 2022 636th rgthree 500 162 9ms 24 Aug 2023 637th Waffle3z 497 142 40ms 26 Jan 2022 638th MeWhenI 🇻🇦 496 177 40ms 29 Apr 2025 639th dokutan 496 232 14ms 5 Oct 2023 640th b10011 🇫🇮 495 156 9ms 11 Jan 2023 First Prev 561–640 of 1,724 Next Last