The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Diamonds 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 721st KatieLG 🇬🇧 597 143 394ms 30 Jul 2024 722nd WillConker 596 156 187ms 25 Oct 2024 723rd kmathis22 596 165 456ms 28 Oct 2025 724th madeforlosers 595 121 8ms 11 Jan 2024 725th pandapawskat 595 129 1ms 4 Oct 2021 726th roavin 593 144 359ms 28 Jul 2022 727th olleicua 🇺🇸 591 44 43ms 11 Mar 2024 728th Shanethegamer 🇺🇸 591 77 39ms 16 Dec 2022 728th aksyristos 591 77 37ms 31 Jan 2023 730th JunkIce 591 88 357ms 19 Jan 2025 730th CaedenHarper 🇨🇦 591 88 454ms 28 Jan 2025 732nd prplz 🇦🇺 590 62 107ms 22 Mar 2020 732nd scpchicken 🇵🇼 590 62 105ms 26 Mar 2022 734th giacomogallina 590 93 17ms 14 Jun 2019 734th loserface69 590 93 9ms 15 Mar 2020 734th Kloppermand 🇩🇰 590 93 9ms 6 Jan 2023 734th thisishowmymindworks 🇳🇴 590 93 9ms 31 May 2023 734th jesterjunk 590 93 9ms 23 Sep 2025 739th gigaprofisi 🇺🇸 590 122 8ms 18 Jun 2025 740th Natanaelel 🇸🇪 589 65 2ms 9 Aug 2021 741st lahell 588 81 226ms 7 Jun 2020 742nd Skepfyr 588 158 130ms 4 Jan 2020 743rd jerrandolph 588 181 274ms 16 Apr 2020 744th KatieLG 🇬🇧 585 123 9ms 5 Oct 2025 745th Yewzir 🇧🇪 585 182 264ms 29 Oct 2023 746th OllieBoyne 🇬🇧 584 94 9ms 17 Sep 2022 746th Eilonlif 🇮🇱 584 94 9ms 4 Nov 2022 746th stefangimmillaro 584 94 10ms 6 Jul 2023 746th mathisfun271 584 94 9ms 16 Dec 2023 750th rak1507 🇬🇧 583 55 32ms 21 Feb 2022 751st D-MOVE 🇵🇭 583 78 38ms 19 days ago 752nd czylabsonasa 🇭🇺 582 98 358ms 21 Oct 2021 753rd 12Jeef 582 169 411ms 1 Sep 2023 753rd yoshykai 582 169 385ms 30 Mar 2025 755th DialFrost 🇸🇬 581 82 235ms 7 Jun 2024 756th kdx2a 581 132 2ms 13 Feb 2025 757th Mabeloid 🇳🇴 581 160 143ms 31 Oct 2025 758th MeWhenI 🇻🇦 580 120 1ms 10 Oct 2023 759th itserasmus 580 124 8ms 25 Jan 2024 760th DestyNova 🇮🇪 579 135 364ms 15 Aug 2022 761st adriweb 🇫🇷 579 139 17ms 26 Jan 2024 762nd Natanaelel 🇸🇪 578 45 40ms 29 Jul 2022 763rd MeWhenI 🇻🇦 578 91 4ms 16 Aug 2024 764th tomtheisen 🇺🇸 578 95 9ms 4 Dec 2019 764th jiaminglimjm 🇲🇾 578 95 10ms 29 Feb 2020 764th Fishron 578 95 39ms 14 Oct 2021 764th jdw1023 578 95 10ms 26 Apr 2022 764th NanduBC 578 95 9ms 6 Sep 2024 764th EnTerr 578 95 10ms 15 Sep 2024 764th wuduculfre 578 95 10ms 21 Jul 2025 771st olleicua 🇺🇸 576 79 36ms 15 Jan 2024 772nd weliveinhell 🇭🇹 576 125 9ms 24 Jan 2024 772nd CaedenHarper 🇨🇦 576 125 9ms 31 Aug 2025 774th prplz 🇦🇺 576 188 25ms 10 Jul 2021 775th Yewzir 🇧🇪 575 144 6ms 17 Dec 2023 776th janbehrens 🇩🇪 575 171 388ms 20 Jul 2022 777th MeWhenI 🇻🇦 574 157 433ms 5 Mar 2022 778th prplz 🇦🇺 574 162 119ms 7 Jan 2020 778th Xzyaihni 574 162 152ms 16 Oct 2022 780th SirBogman 🇺🇸 574 330 12ms 23 Nov 2022 781st janbehrens 🇩🇪 573 114 850ms 7 Apr 2023 782nd filharmonista 573 134 2ms 23 Nov 2019 782nd slerpyyy 🇩🇪 573 134 2ms 3 Nov 2022 784th yzhs 🇩🇪 573 136 129ms 25 Jun 2023 785th Shanethegamer 🇺🇸 573 159 427ms 29 Apr 2022 786th b-jam 572 96 11ms 7 Dec 2019 786th ragmani 572 96 9ms 18 Dec 2020 786th 2011-Chan-Ethan 572 96 10ms 20 Jul 2023 789th ForkKILLET 🇨🇳 571 126 8ms 17 Feb 2021 789th lukasmoellerch 571 126 8ms 28 Apr 2021 791st CaedenHarper 🇨🇦 570 110 772ms 9 Sep 2025 792nd Ernest1338 570 163 194ms 6 Oct 2023 793rd Shanethegamer 🇺🇸 567 139 97ms 31 Oct 2022 794th Shanethegamer 🇺🇸 567 191 64ms 29 Apr 2022 795th davitf 566 97 9ms 6 Jul 2020 795th Bubbler-4 566 97 9ms 2 Nov 2022 795th rollershutter 566 97 9ms 30 Jan 2024 795th Powerroff 566 97 10ms 4 May 2024 799th Irratix 🇳🇱 564 136 2ms 25 Dec 2021 799th Shanethegamer 🇺🇸 564 136 2ms 28 Apr 2022 First Prev 721–800 of 2,407 Next Last