The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Proximity Grid 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 321st MeWhenI 🇻🇦 542 347 48ms 6 Jun 2023 322nd frosster 539 290 5ms 21 Mar 2025 323rd helbling 🇨🇭 538 184 49ms 4 Jun 2024 324th SwordF-Official 538 291 11ms 4 Jun 2025 325th emgordon154 531 156 141ms 8 Aug 2024 326th neel11235813 528 161 2,349ms 16 Mar 2024 327th MeWhenI 🇻🇦 525 215 62ms 20 Jun 2024 328th msbranicky 525 338 235ms 6 Oct 2023 329th olleicua 🇺🇸 518 126 559ms 20 Jan 2024 330th KatieLG 🇬🇧 518 164 359ms 28 Oct 2024 331st msbranicky 510 280 18ms 11 Oct 2023 332nd LukeBridges 🇬🇧 508 195 14ms 9 Jul 2024 333rd janbehrens 🇩🇪 502 197 13ms 18 May 2023 334th Ripick 502 235 763ms 13 Apr 2025 335th dokutan 501 180 49ms 27 Apr 2025 336th jared-hughes 500 198 15ms 20 Jan 2023 337th h3ra993huskp 🇯🇵 499 273 449ms 18 days ago 338th jakobkordez 🇸🇮 498 181 35ms 28 Nov 2022 339th bizy-coder 497 171 1,217ms 17 Jan 2024 340th galloj 🇨🇿 497 199 13ms 20 Sep 2022 341st MeWhenI 🇻🇦 496 167 133ms 3 Aug 2024 342nd bizy-coder 495 182 100ms 20 Nov 2023 343rd MichalMarsalek 🇨🇿 495 238 390ms 31 Oct 2023 344th janbehrens 🇩🇪 493 212 53ms 2 Jul 2023 345th blaztoma 🇱🇹 487 185 21ms 7 days ago 346th tatzyr 🇯🇵 483 135 43ms 22 Apr 2025 347th janbehrens 🇩🇪 480 284 628ms 26 Nov 2022 348th jared-hughes 479 188 19ms 3 Aug 2022 348th betaveros 479 188 55ms 2 Jan 2023 350th Shanethegamer 🇺🇸 478 156 2,530ms 28 Apr 2023 351st tobeannouncd 474 348 210ms 2 Jan 2024 352nd KatieLG 🇬🇧 473 404 120ms 15 Jan 2023 353rd dokutan 472 180 392ms 27 Apr 2025 354th prplz 🇦🇺 469 192 65ms 30 Jan 2025 355th aditsu 468 237 4,164ms 19 Aug 2025 356th msbranicky 466 336 4ms 28 Sep 2023 357th wh3n3v3r 🇨🇿 462 195 13ms 14 Nov 2024 358th MeWhenI 🇻🇦 457 229 20ms 28 May 2023 359th MeWhenI 🇻🇦 451 270 77ms 23 May 2023 360th Yax42 🇫🇷 451 356 731ms 9 days ago 361st inventshah 446 202 103ms 16 Nov 2022 361st fkantelberg 446 202 192ms 17 Jul 2025 363rd MateuszPietrzak 🇵🇱 445 334 64ms 23 Nov 2023 364th cros107 🇦🇺 442 204 393ms 20 days ago 365th yuchuehw 437 206 447ms 9 Feb 2024 366th razetime 434 126 5ms 4 Aug 2022 367th FlorianCassayre 🇫🇷 433 208 14ms 18 Sep 2023 368th ZakkkkAttackkkk 🇵🇭 431 209 206ms 9 Aug 2022 368th ahmetdemirag 🇨🇾 431 209 132ms 6 Feb 2025 370th jared-hughes 429 152 74ms 13 Sep 2022 371st Aurel300 🇨🇭 426 417 293ms 23 Jun 2024 372nd galloj 🇨🇿 419 215 116ms 20 Sep 2022 373rd eranws 419 236 11ms 14 Nov 2022 373rd BambooleanLogic 🇸🇪 419 236 16ms 16 Nov 2022 375th janbehrens 🇩🇪 416 276 1,172ms 26 Nov 2022 376th janbehrens 🇩🇪 415 217 24ms 19 Nov 2022 377th jacobly0 🇺🇸 414 378 87ms 11 Sep 2023 378th bac0id 410 392 390ms 22 Sep 2023 379th bac0id 409 363 462ms 23 Jun 2024 380th janbehrens 🇩🇪 405 184 1,165ms 24 Nov 2022 381st BREMAUCY 🇫🇷 404 223 21ms 4 Oct 2025 382nd CaedenHarper 🇨🇦 404 485 271ms 4 Nov 2025 383rd InigoK 🇺🇸 402 224 121ms 28 May 2023 383rd luuumine 🇫🇷 402 224 25ms 22 Oct 2025 385th fourth-bit 400 225 12ms 5 Oct 2024 386th quimey 399 226 75ms 25 Aug 2023 387th DialFrost 🇸🇬 399 248 14ms 10 Feb 2023 388th VictorFordham 397 227 397ms 17 Nov 2024 388th JunkIce 397 227 37ms 13 Feb 2025 390th msbranicky 392 283 4,298ms 7 Jan 2025 391st neihousaigaai 390 231 11ms 5 Oct 2024 392nd 40fied4t 388 232 148ms 6 May 2025 393rd Tess2662 387 233 20ms 20 Sep 2022 393rd klixel 🇨🇦 387 233 11ms 22 days ago 395th Ripick 386 334 3ms 22 Oct 2025 396th YAJUE114514 385 234 34ms 4 days ago 397th bac0id 380 339 2ms 23 Jun 2024 398th JunkIce 374 227 532ms 13 Feb 2025 399th CatsAreFluffy 374 241 56ms 5 Jan 2024 399th qpwoeirut 374 241 147ms 2 Oct 2025 First Prev 321–400 of 579 Next Last