The Calendar hole will go live in approximately 4 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 641st Waffle3z 497 142 37ms 26 Jan 2022 642nd MeWhenI 🇻🇦 496 177 40ms 29 Apr 2025 643rd dokutan 496 232 14ms 5 Oct 2023 644th b10011 🇫🇮 495 156 9ms 11 Jan 2023 644th TaserTheFox 🇺🇸 495 156 14ms 1 May 2023 646th albanian-laundromat 495 165 739ms 12 Nov 2025 647th stefangimmillaro 493 217 97ms 25 Oct 2022 648th neihousaigaai 491 157 9ms 17 Apr 2022 648th jakobkordez 🇸🇮 491 157 16ms 23 Nov 2022 650th vroup 🇩🇰 491 207 338ms 28 Sep 2022 651st alexsave 489 166 10ms 3 days ago 652nd StevenTolle 489 231 500ms 6 Mar 2022 653rd MeWhenI 🇻🇦 489 308 7ms 23 Nov 2023 653rd JOrE20 🇺🇸 489 308 6ms 21 Nov 2025 655th DialFrost 🇸🇬 488 62 2ms 31 Jan 2024 656th albanian-laundromat 488 158 24ms 17 Aug 2025 657th ndren 488 309 7ms 3 Mar 2024 657th snoozingnewt 🇨🇦 488 309 7ms 3 Oct 2025 659th MeWhenI 🇻🇦 486 158 1,185ms 11 May 2023 660th klixel 🇨🇦 486 184 1ms 30 May 2023 661st bbakersmith 486 237 13ms 7 Jun 2022 662nd aposteriorist 🇨🇦 483 234 434ms 24 Mar 2022 663rd Shanethegamer 🇺🇸 480 50 32ms 25 Jan 2022 663rd scpchicken 🇵🇼 480 50 36ms 13 Mar 2022 663rd yzhs 🇩🇪 480 50 33ms 6 Jun 2022 663rd DialFrost 🇸🇬 480 50 33ms 25 Dec 2022 663rd neel11235813 480 50 33ms 12 Feb 2023 668th moikaturns 🇬🇧 480 169 9ms 15 Nov 2022 669th celiendonze 🇨🇭 479 161 9ms 16 Jun 2023 670th janbehrens 🇩🇪 479 243 395ms 16 May 2023 671st typeswitch-dev 🇵🇹 477 249 3ms 6 Aug 2023 672nd CatsAreFluffy 474 318 9ms 12 Mar 2023 672nd annaproxy 474 318 7ms 12 Mar 2023 672nd HumanoidCPU 474 318 7ms 20 days ago 675th DaCuteRaccoon 472 64 2ms 15 May 2022 676th janbehrens 🇩🇪 471 130 1,793ms 23 Feb 2022 677th neihousaigaai 471 172 8ms 28 Jan 2022 678th georgehulme 470 164 16ms 28 Jan 2022 678th adamnielson42 🇺🇸 470 164 16ms 22 Nov 2023 680th jacklynnepenick 468 165 16ms 15 Feb 2022 680th elgan65536 468 165 11ms 1 Apr 2024 682nd violeta-desantis 466 192 1ms 27 Apr 2024 683rd SmartK8 🇨🇿 466 218 347ms 30 Oct 2022 683rd arctouch-cristiannevianna 466 218 364ms 4 Mar 2024 685th razetime 465 65 2ms 26 Jan 2022 685th Shanethegamer 🇺🇸 465 65 2ms 20 May 2022 685th bwenstar 465 65 2ms 11 Aug 2022 685th trist224 🇫🇷 465 65 2ms 28 Nov 2022 685th rucin93 🇵🇱 465 65 2ms 3 May 2023 685th snoozingnewt 🇨🇦 465 65 2ms 7 Sep 2023 685th neel11235813 465 65 2ms 20 Nov 2023 685th FortuiteMan 🇫🇷 465 65 2ms 10 Oct 2024 685th LostSyntax21 🇬🇧 465 65 2ms 19 Jan 2025 685th blaztoma 🇱🇹 465 65 2ms 64 mins ago 695th amollberg 🇸🇪 465 166 9ms 29 Jan 2022 696th albanian-laundromat 465 211 2ms 13 Jul 2025 697th Lv0Sys 🇵🇱 464 152 39ms 21 days ago 698th MeWhenI 🇻🇦 464 176 705ms 15 Sep 2025 699th jerrandolph 464 277 269ms 20 Oct 2023 700th albanian-laundromat 463 158 507ms 12 Sep 2025 701st msbranicky 463 212 2ms 3 Oct 2023 702nd Shanethegamer 🇺🇸 463 341 472ms 13 Jan 2025 702nd KatieLG 🇬🇧 463 341 460ms 13 Jan 2025 702nd HumanoidCPU 463 341 477ms 13 Jan 2025 702nd dokutan 463 341 470ms 13 Jan 2025 702nd CaedenHarper 🇨🇦 463 341 487ms 25 Jan 2025 702nd MeWhenI 🇻🇦 463 341 457ms 10 Feb 2025 708th FortuiteMan 🇫🇷 462 167 9ms 5 Oct 2023 709th MeWhenI 🇻🇦 462 259 3ms 2 Oct 2022 710th KatieLG 🇬🇧 461 327 7ms 12 Mar 2023 710th msbranicky 461 327 8ms 15 Sep 2023 712th bac0id 460 241 75ms 23 Feb 2024 713th janbehrens 🇩🇪 459 168 9ms 1 Jul 2022 713th CommandLeo 🇮🇹 459 168 18ms 14 Nov 2025 715th Lv0Sys 🇵🇱 458 177 9ms 21 days ago 716th retrohun 458 184 20ms 30 Jan 2022 717th dokutan 456 241 2ms 26 Oct 2023 718th Bonjour27891 🇻🇳 454 170 20ms 15 Mar 2022 719th MeWhenI 🇻🇦 450 158 2ms 16 Apr 2023 720th hamhub7 450 226 331ms 12 Aug 2022 First Prev 641–720 of 1,731 Next Last