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 juliansiebert 🇩🇪 444 186 218ms 4 Aug 2022 722nd eiburns 443 174 9ms 27 Oct 2023 722nd wh3n3v3r 🇨🇿 443 174 9ms 12 Nov 2024 724th RobertHoeh 441 175 9ms 3 Mar 2025 725th Andrey-Plotnikov 441 184 9ms 27 Sep 2025 726th DaCuteRaccoon 441 256 471ms 15 May 2022 727th Msleizak 🇫🇷 439 555 11ms 4 Nov 2022 728th Vaekor 438 176 10ms 3 Aug 2023 728th m42km 438 176 15ms 25 Feb 2024 730th taind772 437 252 177ms 27 Jan 2022 731st prplz 🇦🇺 436 55 33ms 26 Jan 2022 732nd olleicua 🇺🇸 436 186 8ms 2 Feb 2024 733rd Msleizak 🇫🇷 436 411 1ms 4 Nov 2022 734th pascscha 433 178 16ms 28 Mar 2022 735th wobblybits 431 179 9ms 23 Aug 2025 736th KatieLG 🇬🇧 431 188 9ms 25 Oct 2024 737th Andriamanitra 🇫🇮 430 164 37ms 29 Nov 2023 738th dokutan 430 258 2ms 6 Mar 2024 739th dokutan 428 263 96ms 12 days ago 740th KatieLG 🇬🇧 427 165 33ms 13 Apr 2022 741st msbranicky 426 181 16ms 12 Jul 2023 741st AstroOrbis 426 181 10ms 25 Nov 2025 743rd Feniske 🇫🇷 426 194 227ms 10 Nov 2023 744th JRaspass 🇬🇧 426 311 37ms 13 Jun 2022 744th MeWhenI 🇻🇦 426 311 36ms 14 Jun 2022 744th dokutan 426 311 37ms 9 Jun 2024 744th CaedenHarper 🇨🇦 426 311 34ms 22 Jan 2025 748th eranws 425 191 8ms 2 Sep 2023 749th KatieLG-Transpiler 🇬🇧 425 312 35ms 23 Jun 2022 749th KatieLG 🇬🇧 425 312 36ms 30 Sep 2024 751st trist224 🇫🇷 424 182 16ms 23 Nov 2022 752nd adoxography 422 167 33ms 20 Mar 2022 753rd za3k 422 183 9ms 16 Oct 2022 754th dokutan 422 276 433ms 24 Sep 2025 754th h3ra993huskp 🇯🇵 422 276 406ms 24 days ago 756th Msleizak 🇫🇷 422 357 7ms 26 Apr 2023 757th Hortaros 419 184 10ms 15 Jun 2023 758th KingSkyrock 🇺🇸 418 194 8ms 6 Nov 2022 759th bac0id 418 214 1ms 22 Sep 2023 760th MeWhenI 🇻🇦 417 206 1ms 11 Oct 2023 761st Shanethegamer 🇺🇸 416 173 70ms 16 Dec 2024 762nd jgbaldwinbrown 416 215 1ms 29 Jun 2022 763rd TheZwierzLF 🇵🇱 415 176 852ms 16 days ago 764th CheeseCake628 🇳🇴 415 186 10ms 16 Nov 2024 765th ravnskjaer 🇩🇰 415 280 336ms 9 days ago 766th HumanoidCPU 415 319 37ms 9 Mar 2025 767th HumanoidCPU 414 255 3,399ms 24 Oct 2024 768th mossprescott 413 187 9ms 9 Jan 2023 768th AlexanderFair 413 187 10ms 26 Jul 2023 770th jtaxen 410 188 16ms 6 Jun 2024 771st iczelia 🇩🇪 406 244 123ms 19 Oct 2025 772nd dokutan 406 260 3,167ms 24 Oct 2024 773rd codewrite 🇬🇧 405 251 390ms 12 Jul 2025 774th yoshykai 405 287 406ms 8 Apr 2025 774th Schmitt-Very-Cool 405 287 472ms 3 Oct 2025 776th msbranicky 404 181 422ms 17 Jan 2024 777th jacekwladzinski 404 191 15ms 6 Oct 2025 778th bwat2 404 288 420ms 8 Mar 2022 779th mrmena 🇦🇺 404 328 37ms 28 Mar 2024 780th HumanoidCPU 403 201 9ms 29 Aug 2024 781st edsrzf 🇳🇿 403 220 7ms 30 Oct 2024 782nd matejmatik123 🇸🇰 403 275 981ms 1 Oct 2025 783rd Waffle3z 403 310 1ms 12 May 2022 783rd DaCuteRaccoon 403 310 1ms 15 May 2022 783rd KatieLG 🇬🇧 403 310 1ms 22 May 2022 783rd KatieLG-Transpiler 🇬🇧 403 310 1ms 24 Jun 2022 783rd HumanoidCPU 403 310 1ms 21 May 2024 783rd CaedenHarper 🇨🇦 403 310 1ms 16 Aug 2025 783rd snoozingnewt 🇨🇦 403 310 1ms 9 Oct 2025 790th retrohun 403 329 36ms 28 Dec 2022 790th msbranicky 403 329 36ms 21 Sep 2023 792nd KatieLG 🇬🇧 402 192 22ms 13 Apr 2022 793rd Mabeloid 🇳🇴 402 311 1ms 4 Oct 2024 794th Pena86 400 193 9ms 1 Oct 2022 794th TheZwierzLF 🇵🇱 400 193 16ms 18 May 2025 796th dokutan 399 249 61ms 12 days ago 797th msbranicky 399 278 1ms 28 Sep 2023 798th msbranicky 399 313 1ms 20 Sep 2023 799th Emutis 🇱🇹 396 195 10ms 2 Feb 2025 800th MeWhenI 🇻🇦 395 155 286ms 15 Feb 2023 First Prev 721–800 of 1,726 Next Last