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 chars. 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 Chars Time Submitted 797th BREMAUCY 🇫🇷 393 305 3ms 14 Jan 2025 797th CaedenHarper 🇨🇦 393 305 3ms 16 Aug 2025 803rd LukeBridges 🇬🇧 392 207 8ms 27 Oct 2022 804th celiendonze 🇨🇭 391 161 9ms 16 Jun 2023 804th Lv0Sys 🇵🇱 391 161 15ms 17 days ago 806th alphafalfa 391 187 2ms 26 Nov 2024 807th KatieLG 🇬🇧 391 306 2ms 24 Sep 2022 807th JRaspass 🇬🇧 391 306 2ms 24 Sep 2022 807th KatieLG-Transpiler 🇬🇧 391 306 2ms 26 Sep 2022 807th retrohun 391 306 2ms 28 Dec 2022 807th Shanethegamer 🇺🇸 391 306 3ms 1 Mar 2023 807th Mabeloid 🇳🇴 391 306 3ms 4 Oct 2024 807th ehulinsky 🇺🇸 391 306 2ms 29 Mar 2025 807th CaedenHarper 🇨🇦 391 306 3ms 16 Aug 2025 815th olleicua 🇺🇸 391 307 3ms 9 Nov 2025 816th msbranicky 390 278 2ms 28 Sep 2023 817th MeWhenI 🇻🇦 389 345 25ms 25 Jan 2022 817th KatieLG 🇬🇧 389 345 25ms 23 Mar 2024 817th CaedenHarper 🇨🇦 389 345 24ms 16 Aug 2025 820th KatieLG 🇬🇧 389 464 1,722ms 13 Sep 2025 821st juliansiebert 🇩🇪 388 186 218ms 4 Aug 2022 822nd KatieLG-Transpiler 🇬🇧 388 346 24ms 24 Jun 2022 823rd MattShaile 386 210 8ms 26 Apr 2022 824th georgehulme 384 164 16ms 28 Jan 2022 824th adamnielson42 🇺🇸 384 164 16ms 22 Nov 2023 826th CatsAreFluffy 384 233 2ms 12 Feb 2023 827th dokutan 384 294 645ms 7 Nov 2025 828th DaCuteRaccoon 384 335 270ms 15 May 2022 829th Jacob385 383 304 472ms 24 Jul 2024 830th Andriamanitra 🇫🇮 381 164 37ms 29 Nov 2023 831st jacklynnepenick 381 165 16ms 15 Feb 2022 832nd lukashert 380 306 425ms 28 Feb 2023 833rd adamnielson42 🇺🇸 380 640 10ms 1 May 2023 834th amollberg 🇸🇪 379 166 9ms 29 Jan 2022 835th Shanethegamer 🇺🇸 378 314 3ms 6 Dec 2024 835th CaedenHarper 🇨🇦 378 314 3ms 25 Jan 2025 835th dokutan 378 314 3ms 12 Sep 2025 835th JOrE20 🇺🇸 378 314 3ms 27 days ago 839th retrohun 378 355 24ms 28 Dec 2022 840th hacker112 🇸🇪 377 215 9ms 20 Jun 2024 841st HumanoidCPU 377 255 3,923ms 24 Oct 2024 842nd edsrzf 🇳🇿 377 270 399ms 25 Nov 2024 843rd MeWhenI 🇻🇦 377 305 13ms 25 Jan 2022 843rd DaCuteRaccoon 377 305 13ms 15 May 2022 843rd KatieLG-Transpiler 🇬🇧 377 305 12ms 24 Jun 2022 843rd retrohun 377 305 13ms 28 Dec 2022 843rd Shanethegamer 🇺🇸 377 305 13ms 1 Mar 2023 843rd msbranicky 377 305 13ms 13 Sep 2023 843rd theunofficialcoder 377 305 13ms 13 Jan 2024 843rd KatieLG 🇬🇧 377 305 14ms 17 Mar 2024 843rd HumanoidCPU 377 305 13ms 28 Apr 2024 843rd Mabeloid 🇳🇴 377 305 13ms 4 Oct 2024 843rd CaedenHarper 🇨🇦 377 305 13ms 16 Aug 2025 854th acollett89 375 216 9ms 5 Aug 2025 855th adoxography 374 167 33ms 20 Mar 2022 856th janbehrens 🇩🇪 374 168 9ms 1 Jul 2022 856th CommandLeo 🇮🇹 374 168 18ms 14 Nov 2025 858th Feniske 🇫🇷 372 194 262ms 10 Nov 2023 859th KatieLG 🇬🇧 371 347 283ms 9 Apr 2022 859th RutZap 371 347 270ms 24 Jan 2023 859th Shanethegamer 🇺🇸 371 347 270ms 15 Aug 2024 859th HumanoidCPU 371 347 261ms 26 Aug 2024 863rd HumanoidCPU 370 170 9ms 1 Jun 2024 864th madeforlosers 370 219 9ms 8 Nov 2023 865th dokutan 370 363 25ms 20 Apr 2025 865th HumanoidCPU 370 363 29ms 4 Nov 2025 867th KatieLG-Transpiler 🇬🇧 369 349 278ms 24 Jun 2022 868th tomh1012 368 276 380ms 11 Nov 2025 869th voidgloom 364 173 9ms 23 Oct 2024 870th samthidny 364 223 8ms 25 Apr 2022 871st p-vf 🇨🇭 364 279 395ms 13 Jul 2022 872nd Msleizak 🇫🇷 364 316 13ms 18 Jul 2024 873rd Msleizak 🇫🇷 364 343 1ms 4 Nov 2022 874th eiburns 362 174 9ms 27 Oct 2023 875th Andrey2001 362 247 1ms 24 days ago 876th neel11235813 362 313 21ms 25 Dec 2022 876th KatieLG 🇬🇧 362 313 22ms 25 Dec 2022 876th KatieLG-Transpiler 🇬🇧 362 313 22ms 26 Dec 2022 876th retrohun 362 313 22ms 28 Dec 2022 876th hellopatrick 362 313 22ms 1 Jan 2023 First Prev 801–880 of 1,706 Next Last