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 721st eiburns 443 174 9ms 27 Oct 2023 721st wh3n3v3r 🇨🇿 443 174 9ms 12 Nov 2024 723rd RobertHoeh 441 175 9ms 3 Mar 2025 724th Andrey-Plotnikov 441 184 9ms 27 Sep 2025 725th DaCuteRaccoon 441 256 471ms 15 May 2022 726th Msleizak 🇫🇷 439 555 13ms 4 Nov 2022 727th Vaekor 438 176 10ms 3 Aug 2023 727th m42km 438 176 15ms 25 Feb 2024 729th taind772 437 252 177ms 27 Jan 2022 730th prplz 🇦🇺 436 55 33ms 26 Jan 2022 731st olleicua 🇺🇸 436 186 8ms 2 Feb 2024 732nd Msleizak 🇫🇷 436 411 1ms 4 Nov 2022 733rd pascscha 433 178 16ms 28 Mar 2022 734th wobblybits 431 179 9ms 23 Aug 2025 735th KatieLG 🇬🇧 431 188 9ms 25 Oct 2024 736th Andriamanitra 🇫🇮 430 164 45ms 29 Nov 2023 737th dokutan 430 258 2ms 6 Mar 2024 738th dokutan 428 263 96ms 11 days ago 739th KatieLG 🇬🇧 427 165 33ms 13 Apr 2022 740th msbranicky 426 181 16ms 12 Jul 2023 740th AstroOrbis 426 181 10ms 25 Nov 2025 742nd Feniske 🇫🇷 426 194 262ms 10 Nov 2023 743rd JRaspass 🇬🇧 426 311 37ms 13 Jun 2022 743rd MeWhenI 🇻🇦 426 311 36ms 14 Jun 2022 743rd dokutan 426 311 37ms 9 Jun 2024 743rd CaedenHarper 🇨🇦 426 311 34ms 22 Jan 2025 747th KatieLG-Transpiler 🇬🇧 425 312 35ms 23 Jun 2022 747th KatieLG 🇬🇧 425 312 36ms 30 Sep 2024 749th trist224 🇫🇷 424 182 16ms 23 Nov 2022 750th eranws 424 191 8ms 2 Sep 2023 751st adoxography 422 167 33ms 20 Mar 2022 752nd za3k 422 183 9ms 16 Oct 2022 753rd dokutan 422 276 433ms 24 Sep 2025 753rd h3ra993huskp 🇯🇵 422 276 406ms 23 days ago 755th Msleizak 🇫🇷 422 357 7ms 26 Apr 2023 756th Hortaros 419 184 10ms 15 Jun 2023 757th KingSkyrock 🇺🇸 418 194 8ms 6 Nov 2022 758th bac0id 418 214 1ms 22 Sep 2023 759th MeWhenI 🇻🇦 417 206 1ms 11 Oct 2023 760th Shanethegamer 🇺🇸 416 173 70ms 16 Dec 2024 761st jgbaldwinbrown 416 215 1ms 29 Jun 2022 762nd TheZwierzLF 🇵🇱 415 176 852ms 15 days ago 763rd CheeseCake628 🇳🇴 415 186 10ms 16 Nov 2024 764th ravnskjaer 🇩🇰 415 280 336ms 8 days ago 765th HumanoidCPU 415 319 37ms 9 Mar 2025 766th HumanoidCPU 414 255 3,923ms 24 Oct 2024 767th mossprescott 413 187 9ms 9 Jan 2023 767th AlexanderFair 413 187 10ms 26 Jul 2023 769th jtaxen 410 188 16ms 6 Jun 2024 770th iczelia 🇩🇪 406 244 123ms 19 Oct 2025 771st dokutan 406 260 3,633ms 24 Oct 2024 772nd codewrite 🇬🇧 405 251 396ms 12 Jul 2025 773rd yoshykai 405 287 406ms 8 Apr 2025 773rd Schmitt-Very-Cool 405 287 472ms 3 Oct 2025 775th msbranicky 404 181 422ms 17 Jan 2024 776th jacekwladzinski 404 191 15ms 6 Oct 2025 777th bwat2 404 288 420ms 8 Mar 2022 778th mrmena 🇦🇺 404 328 37ms 28 Mar 2024 779th HumanoidCPU 403 201 9ms 29 Aug 2024 780th edsrzf 🇳🇿 403 220 7ms 30 Oct 2024 781st matejmatik123 🇸🇰 403 275 981ms 1 Oct 2025 782nd Waffle3z 403 310 1ms 12 May 2022 782nd DaCuteRaccoon 403 310 1ms 15 May 2022 782nd KatieLG 🇬🇧 403 310 1ms 22 May 2022 782nd KatieLG-Transpiler 🇬🇧 403 310 1ms 24 Jun 2022 782nd HumanoidCPU 403 310 1ms 21 May 2024 782nd CaedenHarper 🇨🇦 403 310 1ms 16 Aug 2025 782nd snoozingnewt 🇨🇦 403 310 1ms 9 Oct 2025 789th retrohun 403 329 36ms 28 Dec 2022 789th msbranicky 403 329 36ms 21 Sep 2023 791st KatieLG 🇬🇧 402 192 22ms 13 Apr 2022 792nd Mabeloid 🇳🇴 402 311 1ms 4 Oct 2024 793rd Pena86 400 193 9ms 1 Oct 2022 793rd TheZwierzLF 🇵🇱 400 193 16ms 18 May 2025 795th dokutan 399 249 61ms 11 days ago 796th msbranicky 399 278 2ms 28 Sep 2023 797th msbranicky 399 313 1ms 20 Sep 2023 798th Emutis 🇱🇹 396 195 10ms 2 Feb 2025 799th MeWhenI 🇻🇦 395 155 286ms 15 Feb 2023 800th KatieLG 🇬🇧 395 464 1,722ms 13 Sep 2025 First Prev 721–800 of 1,724 Next Last