The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Partition Numbers 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 401st blaztoma 🇱🇹 672 65 342ms 28 Oct 2025 402nd snoozingnewt 🇨🇦 672 121 396ms 4 Oct 2025 403rd blaztoma 🇱🇹 671 67 3ms 28 Oct 2025 404th DialFrost 🇸🇬 670 89 39ms 11 Nov 2025 405th Lv0Sys 🇵🇱 667 75 10ms 11 days ago 406th tobeannouncd 667 90 128ms 24 Apr 2025 407th snoozingnewt 🇨🇦 667 124 694ms 6 Oct 2025 408th namelessiw 667 128 419ms 2 Oct 2025 409th tatzyr 🇯🇵 666 68 245ms 1 Mar 2025 410th snoozingnewt 🇨🇦 659 82 756ms 23 Sep 2025 411th snoozingnewt 🇨🇦 657 151 24ms 23 Sep 2025 412th dokutan 656 77 119ms 20 Apr 2025 413th dokutan 656 124 325ms 30 Mar 2025 414th snoozingnewt 🇨🇦 653 96 124ms 23 Sep 2025 415th Natanaelel 🇸🇪 652 69 4ms 11 Mar 2025 416th madex 🇩🇪 649 77 9ms 20 Mar 2025 417th snoozingnewt 🇨🇦 648 101 95ms 23 Sep 2025 418th albanian-laundromat 647 159 34ms 13 Nov 2025 419th snoozingnewt 🇨🇦 646 66 33ms 23 Sep 2025 420th acotis 646 126 126ms 27 Sep 2025 421st AdrienHache 🇫🇷 645 126 341ms 10 Feb 2025 422nd albanian-laundromat 642 119 41ms 7 Sep 2025 423rd mousetail 🇳🇱 641 127 3,508ms 4 Mar 2025 424th dokutan 641 129 78ms 31 Mar 2025 425th scpchicken 🇵🇼 639 77 35ms 5 Mar 2025 426th MeWhenI 🇻🇦 636 85 706ms 15 Sep 2025 427th albanian-laundromat 636 263 19ms 14 days ago 428th bricknellj 631 78 10ms 5 Mar 2025 428th Just4FunCoder 631 78 13ms 14 Sep 2025 430th albanian-laundromat 629 86 756ms 16 Nov 2025 431st MeWhenI 🇻🇦 625 72 3,433ms 28 Feb 2025 432nd snoozingnewt 🇨🇦 623 77 885ms 23 Sep 2025 433rd roupiq 🇵🇱 623 79 10ms 18 Jun 2025 434th Shanethegamer 🇺🇸 620 160 39ms 8 Mar 2025 435th targrik 618 85 4ms 23 Oct 2025 436th trinityy-7 617 81 9ms 21 Jul 2025 437th DialFrost 🇸🇬 616 71 21ms 20 Feb 2025 438th error256 615 80 13ms 1 Mar 2025 438th klixel 🇨🇦 615 80 13ms 18 Mar 2025 438th albanian-laundromat 615 80 12ms 1 Jul 2025 438th ryyyn 🇺🇸 615 80 10ms 30 Oct 2025 438th edsrzf 🇳🇿 615 80 29ms 26 days ago 443rd iczelia 🇩🇪 610 82 11ms 17 Oct 2025 444th blaztoma 🇱🇹 607 81 10ms 28 Oct 2025 445th snoozingnewt 🇨🇦 607 117 1,292ms 23 Sep 2025 446th YAJUE114514 606 99 122ms 31 Jul 2025 447th dokutan 606 105 2ms 16 Jul 2025 448th Shanethegamer 🇺🇸 605 114 6ms 12 Mar 2025 449th MeWhenI 🇻🇦 603 99 39ms 1 Mar 2025 450th targrik 602 83 9ms 8 Jun 2025 451st snoozingnewt 🇨🇦 602 84 2ms 23 Sep 2025 452nd snoozingnewt 🇨🇦 598 73 624ms 14 Oct 2025 453rd snoozingnewt 🇨🇦 597 100 42ms 23 Sep 2025 454th helbling 🇨🇭 595 84 9ms 6 Mar 2025 455th snoozingnewt 🇨🇦 595 107 2ms 9 Oct 2025 456th snoozingnewt 🇨🇦 594 107 107ms 23 Sep 2025 457th FlyingPenguin223 594 116 30ms 28 Feb 2025 458th madex 🇩🇪 593 72 35ms 20 Mar 2025 459th m-tkach 🇺🇦 593 83 71ms 4 Mar 2025 459th Lv0Sys 🇵🇱 593 83 10ms 11 days ago 461st snoozingnewt 🇨🇦 589 143 9ms 30 Sep 2025 462nd Andrey-Plotnikov 588 85 10ms 23 Jun 2025 463rd albanian-laundromat 586 80 380ms 4 Aug 2025 464th Flekay 🇩🇪 586 84 11ms 10 Jul 2025 464th wuduculfre 586 84 12ms 27 Jul 2025 464th luuumine 🇫🇷 586 84 10ms 15 Nov 2025 467th edsrzf 🇳🇿 582 126 41ms 3 Mar 2025 468th elgan65536 582 140 128ms 8 Nov 2025 469th fkantelberg 579 85 10ms 19 Jul 2025 470th Shanethegamer 🇺🇸 575 109 130ms 8 Mar 2025 471st snoozingnewt 🇨🇦 574 123 107ms 23 Sep 2025 472nd Shanethegamer 🇺🇸 573 147 35ms 8 Mar 2025 473rd BREMAUCY 🇫🇷 572 86 10ms 28 Feb 2025 473rd madex 🇩🇪 572 86 10ms 20 Mar 2025 473rd FortuiteMan 🇫🇷 572 86 11ms 21 Jul 2025 473rd cros107 🇦🇺 572 86 10ms 21 Nov 2025 477th BREMAUCY 🇫🇷 567 295 20ms 30 Jul 2025 478th BrunoVisnadi 🇧🇷 565 87 10ms 7 days ago 479th dokutan 564 126 1,342ms 31 Mar 2025 480th dokutan 561 119 4,270ms 31 Mar 2025 First Prev 401–480 of 1,055 Next Last