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 801st TheZwierzLF 🇵🇱 394 179 33ms 3 days ago 802nd twocatsinatrenchcoat 394 196 9ms 12 May 2022 802nd elephantpanda 394 196 16ms 10 Aug 2022 802nd jfallon1997 394 196 15ms 6 Sep 2022 805th edsrzf 🇳🇿 394 252 69ms 12 Nov 2024 806th crizin 🇰🇷 394 295 433ms 9 Sep 2023 807th CheeseCake628 🇳🇴 393 186 557ms 17 Nov 2024 808th HumanoidCPU 393 305 3ms 12 Dec 2024 808th dokutan 393 305 3ms 12 Dec 2024 808th KatieLG 🇬🇧 393 305 3ms 3 Jan 2025 808th Shanethegamer 🇺🇸 393 305 3ms 13 Jan 2025 808th BREMAUCY 🇫🇷 393 305 3ms 14 Jan 2025 808th CaedenHarper 🇨🇦 393 305 3ms 16 Aug 2025 814th KatieLG 🇬🇧 393 464 1,722ms 13 Sep 2025 815th LukeBridges 🇬🇧 392 207 8ms 27 Oct 2022 816th alphafalfa 391 187 2ms 26 Nov 2024 817th KatieLG 🇬🇧 391 306 2ms 24 Sep 2022 817th JRaspass 🇬🇧 391 306 2ms 24 Sep 2022 817th KatieLG-Transpiler 🇬🇧 391 306 2ms 26 Sep 2022 817th retrohun 391 306 2ms 28 Dec 2022 817th Shanethegamer 🇺🇸 391 306 2ms 1 Mar 2023 817th HumanoidCPU 391 306 3ms 28 Apr 2024 817th Mabeloid 🇳🇴 391 306 3ms 4 Oct 2024 817th ehulinsky 🇺🇸 391 306 2ms 29 Mar 2025 817th CaedenHarper 🇨🇦 391 306 3ms 16 Aug 2025 826th olleicua 🇺🇸 391 307 3ms 9 Nov 2025 827th MeWhenI 🇻🇦 389 345 25ms 25 Jan 2022 827th KatieLG 🇬🇧 389 345 25ms 23 Mar 2024 827th CaedenHarper 🇨🇦 389 345 24ms 16 Aug 2025 830th croc54 388 199 16ms 12 Jan 2025 830th Flekay 🇩🇪 388 199 9ms 9 Aug 2025 832nd KatieLG-Transpiler 🇬🇧 388 346 24ms 24 Jun 2022 833rd MattShaile 386 210 8ms 26 Apr 2022 834th MeWhenI 🇻🇦 385 200 128ms 28 Oct 2024 835th raspofabs 384 201 9ms 10 Jul 2023 836th CatsAreFluffy 384 233 2ms 12 Feb 2023 837th dokutan 384 294 645ms 7 Nov 2025 838th DaCuteRaccoon 384 335 270ms 15 May 2022 839th nullie 382 202 16ms 10 Jun 2022 840th KatieLG 🇬🇧 381 192 470ms 15 Jan 2024 841st IISResetMe 381 217 218ms 2 Jul 2023 842nd lukashert 380 306 425ms 28 Feb 2023 843rd adamnielson42 🇺🇸 380 640 10ms 1 May 2023 844th gifti258 379 190 71ms 14 Sep 2023 845th Shanethegamer 🇺🇸 378 314 3ms 6 Dec 2024 845th CaedenHarper 🇨🇦 378 314 3ms 25 Jan 2025 845th dokutan 378 314 3ms 12 Sep 2025 845th JOrE20 🇺🇸 378 314 3ms 26 Nov 2025 849th retrohun 378 355 24ms 28 Dec 2022 850th edsrzf 🇳🇿 377 270 399ms 25 Nov 2024 851st MeWhenI 🇻🇦 377 305 13ms 25 Jan 2022 851st DaCuteRaccoon 377 305 13ms 15 May 2022 851st KatieLG-Transpiler 🇬🇧 377 305 12ms 24 Jun 2022 851st retrohun 377 305 13ms 28 Dec 2022 851st Shanethegamer 🇺🇸 377 305 13ms 1 Mar 2023 851st msbranicky 377 305 13ms 13 Sep 2023 851st theunofficialcoder 377 305 13ms 13 Jan 2024 851st KatieLG 🇬🇧 377 305 14ms 17 Mar 2024 851st HumanoidCPU 377 305 13ms 28 Apr 2024 851st Mabeloid 🇳🇴 377 305 13ms 4 Oct 2024 851st CaedenHarper 🇨🇦 377 305 13ms 16 Aug 2025 862nd myleopard 375 206 16ms 20 Jul 2022 863rd acollett89 375 216 9ms 5 Aug 2025 864th KatieLG 🇬🇧 371 347 283ms 9 Apr 2022 864th RutZap 371 347 270ms 24 Jan 2023 864th dokutan 371 347 264ms 12 Jan 2024 864th Shanethegamer 🇺🇸 371 347 270ms 15 Aug 2024 864th HumanoidCPU 371 347 261ms 26 Aug 2024 869th madeforlosers 370 219 9ms 8 Nov 2023 870th dokutan 370 363 25ms 20 Apr 2025 870th HumanoidCPU 370 363 29ms 4 Nov 2025 872nd CatsAreFluffy 369 154 52ms 10 Nov 2022 873rd KatieLG-Transpiler 🇬🇧 369 349 278ms 24 Jun 2022 874th tomh1012 368 276 376ms 11 Nov 2025 875th sultan 367 210 16ms 3 Mar 2024 875th yoavjs 367 210 9ms 5 Apr 2025 877th hiichbindermax 366 211 16ms 5 Sep 2024 878th samthidny 364 223 8ms 25 Apr 2022 879th p-vf 🇨🇭 364 279 395ms 13 Jul 2022 880th Msleizak 🇫🇷 364 316 13ms 18 Jul 2024 First Prev 801–880 of 1,726 Next Last