The Calendar hole will go live in approximately 13 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 albanian-laundromat 495 165 739ms 12 Nov 2025 642nd stefangimmillaro 493 217 97ms 25 Oct 2022 643rd neihousaigaai 491 157 9ms 17 Apr 2022 643rd jakobkordez 🇸🇮 491 157 16ms 23 Nov 2022 645th vroup 🇩🇰 491 207 338ms 28 Sep 2022 646th StevenTolle 489 231 500ms 6 Mar 2022 647th MeWhenI 🇻🇦 489 308 7ms 23 Nov 2023 647th JOrE20 🇺🇸 489 308 6ms 27 days ago 649th DialFrost 🇸🇬 488 62 2ms 31 Jan 2024 650th albanian-laundromat 488 158 24ms 17 Aug 2025 651st ndren 488 309 7ms 3 Mar 2024 651st snoozingnewt 🇨🇦 488 309 7ms 3 Oct 2025 653rd MeWhenI 🇻🇦 486 158 1,185ms 11 May 2023 654th klixel 🇨🇦 486 184 1ms 30 May 2023 655th bbakersmith 486 237 13ms 7 Jun 2022 656th aposteriorist 🇨🇦 483 234 434ms 24 Mar 2022 657th Shanethegamer 🇺🇸 480 50 32ms 25 Jan 2022 657th scpchicken 🇵🇼 480 50 36ms 13 Mar 2022 657th yzhs 🇩🇪 480 50 33ms 6 Jun 2022 657th DialFrost 🇸🇬 480 50 33ms 25 Dec 2022 657th neel11235813 480 50 33ms 12 Feb 2023 662nd moikaturns 🇬🇧 480 169 9ms 15 Nov 2022 663rd celiendonze 🇨🇭 479 161 9ms 16 Jun 2023 663rd Lv0Sys 🇵🇱 479 161 15ms 12 days ago 665th janbehrens 🇩🇪 479 243 395ms 16 May 2023 666th typeswitch-dev 🇵🇹 477 249 3ms 6 Aug 2023 667th CatsAreFluffy 474 318 9ms 12 Mar 2023 667th annaproxy 474 318 7ms 12 Mar 2023 667th HumanoidCPU 474 318 7ms 11 days ago 670th DaCuteRaccoon 472 64 2ms 15 May 2022 671st janbehrens 🇩🇪 471 130 1,829ms 23 Feb 2022 672nd neihousaigaai 471 172 8ms 28 Jan 2022 673rd georgehulme 470 164 16ms 28 Jan 2022 673rd adamnielson42 🇺🇸 470 164 16ms 22 Nov 2023 675th jacklynnepenick 468 165 16ms 15 Feb 2022 675th elgan65536 468 165 11ms 1 Apr 2024 677th violeta-desantis 466 192 1ms 27 Apr 2024 678th SmartK8 🇨🇿 466 218 347ms 30 Oct 2022 678th arctouch-cristiannevianna 466 218 364ms 4 Mar 2024 680th razetime 465 65 2ms 26 Jan 2022 680th Shanethegamer 🇺🇸 465 65 2ms 20 May 2022 680th bwenstar 465 65 2ms 11 Aug 2022 680th trist224 🇫🇷 465 65 2ms 28 Nov 2022 680th rucin93 🇵🇱 465 65 2ms 3 May 2023 680th snoozingnewt 🇨🇦 465 65 2ms 7 Sep 2023 680th neel11235813 465 65 2ms 20 Nov 2023 680th FortuiteMan 🇫🇷 465 65 2ms 10 Oct 2024 680th LostSyntax21 🇬🇧 465 65 2ms 19 Jan 2025 689th amollberg 🇸🇪 465 166 9ms 29 Jan 2022 690th albanian-laundromat 465 211 2ms 13 Jul 2025 691st Lv0Sys 🇵🇱 464 152 54ms 12 days ago 692nd MeWhenI 🇻🇦 464 176 705ms 15 Sep 2025 693rd jerrandolph 464 277 269ms 20 Oct 2023 694th albanian-laundromat 463 158 507ms 12 Sep 2025 695th msbranicky 463 212 2ms 3 Oct 2023 696th Shanethegamer 🇺🇸 463 341 472ms 13 Jan 2025 696th KatieLG 🇬🇧 463 341 460ms 13 Jan 2025 696th HumanoidCPU 463 341 477ms 13 Jan 2025 696th dokutan 463 341 470ms 13 Jan 2025 696th CaedenHarper 🇨🇦 463 341 519ms 25 Jan 2025 696th MeWhenI 🇻🇦 463 341 457ms 10 Feb 2025 702nd FortuiteMan 🇫🇷 462 167 9ms 5 Oct 2023 703rd MeWhenI 🇻🇦 462 259 3ms 2 Oct 2022 704th KatieLG 🇬🇧 461 327 7ms 12 Mar 2023 704th msbranicky 461 327 8ms 15 Sep 2023 706th bac0id 460 241 88ms 23 Feb 2024 707th janbehrens 🇩🇪 459 168 9ms 1 Jul 2022 707th CommandLeo 🇮🇹 459 168 18ms 14 Nov 2025 709th Lv0Sys 🇵🇱 458 177 9ms 12 days ago 710th retrohun 458 184 33ms 30 Jan 2022 711th dokutan 456 241 2ms 26 Oct 2023 712th Bonjour27891 🇻🇳 454 170 20ms 15 Mar 2022 713th MeWhenI 🇻🇦 450 158 2ms 16 Apr 2023 714th hamhub7 450 226 331ms 12 Aug 2022 715th yzhs 🇩🇪 449 172 17ms 3 Jun 2022 716th CatsAreFluffy 449 247 88ms 12 Feb 2023 717th MeWhenI 🇻🇦 448 181 8ms 26 Jan 2022 718th voidgloom 446 173 9ms 23 Oct 2024 719th juliansiebert 🇩🇪 444 186 218ms 4 Aug 2022 720th eiburns 443 174 9ms 27 Oct 2023 First Prev 641–720 of 1,724 Next Last