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 640th TaserTheFox 🇺🇸 495 156 14ms 1 May 2023 642nd albanian-laundromat 495 165 739ms 12 Nov 2025 643rd stefangimmillaro 493 217 97ms 25 Oct 2022 644th neihousaigaai 491 157 9ms 17 Apr 2022 644th jakobkordez 🇸🇮 491 157 16ms 23 Nov 2022 646th vroup 🇩🇰 491 207 338ms 28 Sep 2022 647th StevenTolle 489 231 500ms 6 Mar 2022 648th MeWhenI 🇻🇦 489 308 7ms 23 Nov 2023 648th JOrE20 🇺🇸 489 308 6ms 21 Nov 2025 650th DialFrost 🇸🇬 488 62 2ms 31 Jan 2024 651st albanian-laundromat 488 158 24ms 17 Aug 2025 652nd ndren 488 309 7ms 3 Mar 2024 652nd snoozingnewt 🇨🇦 488 309 7ms 3 Oct 2025 654th MeWhenI 🇻🇦 486 158 1,185ms 11 May 2023 655th klixel 🇨🇦 486 184 1ms 30 May 2023 656th bbakersmith 486 237 13ms 7 Jun 2022 657th aposteriorist 🇨🇦 483 234 434ms 24 Mar 2022 658th Shanethegamer 🇺🇸 480 50 32ms 25 Jan 2022 658th scpchicken 🇵🇼 480 50 36ms 13 Mar 2022 658th yzhs 🇩🇪 480 50 33ms 6 Jun 2022 658th DialFrost 🇸🇬 480 50 33ms 25 Dec 2022 658th neel11235813 480 50 33ms 12 Feb 2023 663rd moikaturns 🇬🇧 480 169 9ms 15 Nov 2022 664th celiendonze 🇨🇭 479 161 9ms 16 Jun 2023 664th Lv0Sys 🇵🇱 479 161 15ms 17 days ago 666th janbehrens 🇩🇪 479 243 395ms 16 May 2023 667th typeswitch-dev 🇵🇹 477 249 3ms 6 Aug 2023 668th CatsAreFluffy 474 318 9ms 12 Mar 2023 668th annaproxy 474 318 7ms 12 Mar 2023 668th HumanoidCPU 474 318 7ms 16 days ago 671st DaCuteRaccoon 472 64 2ms 15 May 2022 672nd janbehrens 🇩🇪 471 130 1,829ms 23 Feb 2022 673rd neihousaigaai 471 172 8ms 28 Jan 2022 674th georgehulme 470 164 16ms 28 Jan 2022 674th adamnielson42 🇺🇸 470 164 16ms 22 Nov 2023 676th jacklynnepenick 468 165 16ms 15 Feb 2022 676th elgan65536 468 165 11ms 1 Apr 2024 678th violeta-desantis 466 192 1ms 27 Apr 2024 679th SmartK8 🇨🇿 466 218 347ms 30 Oct 2022 679th arctouch-cristiannevianna 466 218 364ms 4 Mar 2024 681st razetime 465 65 2ms 26 Jan 2022 681st Shanethegamer 🇺🇸 465 65 2ms 20 May 2022 681st bwenstar 465 65 2ms 11 Aug 2022 681st trist224 🇫🇷 465 65 2ms 28 Nov 2022 681st rucin93 🇵🇱 465 65 2ms 3 May 2023 681st snoozingnewt 🇨🇦 465 65 2ms 7 Sep 2023 681st neel11235813 465 65 2ms 20 Nov 2023 681st FortuiteMan 🇫🇷 465 65 2ms 10 Oct 2024 681st LostSyntax21 🇬🇧 465 65 2ms 19 Jan 2025 690th amollberg 🇸🇪 465 166 9ms 29 Jan 2022 691st albanian-laundromat 465 211 2ms 13 Jul 2025 692nd Lv0Sys 🇵🇱 464 152 54ms 17 days ago 693rd MeWhenI 🇻🇦 464 176 705ms 15 Sep 2025 694th jerrandolph 464 277 269ms 20 Oct 2023 695th albanian-laundromat 463 158 507ms 12 Sep 2025 696th msbranicky 463 212 2ms 3 Oct 2023 697th Shanethegamer 🇺🇸 463 341 472ms 13 Jan 2025 697th KatieLG 🇬🇧 463 341 460ms 13 Jan 2025 697th HumanoidCPU 463 341 477ms 13 Jan 2025 697th dokutan 463 341 470ms 13 Jan 2025 697th CaedenHarper 🇨🇦 463 341 519ms 25 Jan 2025 697th MeWhenI 🇻🇦 463 341 457ms 10 Feb 2025 703rd FortuiteMan 🇫🇷 462 167 9ms 5 Oct 2023 704th MeWhenI 🇻🇦 462 259 3ms 2 Oct 2022 705th KatieLG 🇬🇧 461 327 7ms 12 Mar 2023 705th msbranicky 461 327 8ms 15 Sep 2023 707th bac0id 460 241 88ms 23 Feb 2024 708th janbehrens 🇩🇪 459 168 9ms 1 Jul 2022 708th CommandLeo 🇮🇹 459 168 18ms 14 Nov 2025 710th Lv0Sys 🇵🇱 458 177 9ms 17 days ago 711th retrohun 458 184 33ms 30 Jan 2022 712th dokutan 456 241 2ms 26 Oct 2023 713th Bonjour27891 🇻🇳 454 170 20ms 15 Mar 2022 714th MeWhenI 🇻🇦 450 158 2ms 16 Apr 2023 715th hamhub7 450 226 331ms 12 Aug 2022 716th yzhs 🇩🇪 449 172 17ms 3 Jun 2022 717th CatsAreFluffy 449 247 88ms 12 Feb 2023 718th MeWhenI 🇻🇦 448 181 8ms 26 Jan 2022 719th voidgloom 446 173 9ms 23 Oct 2024 720th juliansiebert 🇩🇪 444 186 218ms 4 Aug 2022 First Prev 641–720 of 1,724 Next Last