The Calendar hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Farey Sequence in Python 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 79th brimstonetrader 716 81 10ms 23 Feb 2024 79th NickTheEASDude 🇺🇸 716 81 71ms 25 Apr 2024 79th martion2007 716 81 70ms 15 Aug 2024 79th Herbert00709 🇵🇱 716 81 10ms 27 Nov 2024 79th CLOStrophobic 🇮🇹 716 81 11ms 28 Jan 2025 79th Pyroan 716 81 10ms 18 Mar 2025 79th KatieLG 🇬🇧 716 81 21ms 15 Sep 2025 79th vhoulbreque 🇫🇷 716 81 70ms 25 Nov 2025 79th acotis 716 81 12ms 13 hours ago 90th MichalMarsalek 🇨🇿 707 82 10ms 1 Dec 2023 90th Koshu 707 82 11ms 2 Dec 2023 90th uttumuttu 🇫🇮 707 82 10ms 22 Dec 2023 90th fkantelberg 707 82 23ms 12 Jul 2025 94th m42km 699 83 10ms 6 Jan 2024 94th Natanaelel 🇸🇪 699 83 10ms 22 Mar 2024 94th davecame 699 83 14ms 25 Apr 2024 97th jared-hughes 690 84 11ms 17 Dec 2023 97th stertooy 🇧🇪 690 84 10ms 14 Jun 2024 97th sacredeux 690 84 11ms 20 Aug 2024 97th hiichbindermax 690 84 11ms 27 May 2025 101st KrausRaus 🇺🇸 682 85 10ms 1 Dec 2023 101st jeff-at-tamer-dot-codes 🇺🇸 682 85 21ms 19 Dec 2023 103rd Just4FunCoder 674 86 21ms 26 Feb 2024 103rd SB-945 674 86 23ms 7 Apr 2024 103rd Babafaba 674 86 19ms 22 Oct 2025 106th jatloe 667 87 22ms 24 Aug 2024 107th FlorianCassayre 🇫🇷 659 88 20ms 18 May 2024 107th jacekwladzinski 659 88 10ms 3 Oct 2025 109th commandblockguy 🇺🇸 644 90 11ms 1 Dec 2023 109th ZakkkkAttackkkk 🇵🇭 644 90 11ms 9 May 2024 109th HumanoidCPU 644 90 20ms 5 Jun 2024 109th Bmrl7 644 90 12ms 5 days ago 113th agreegious 637 91 10ms 17 Nov 2024 114th ahmetdemirag 🇨🇾 624 93 11ms 9 Jun 2024 115th mikehanus 617 94 10ms 5 Dec 2023 115th eiburns 617 94 10ms 13 Dec 2023 115th msbranicky 617 94 11ms 1 Jan 2024 115th InigoK 🇺🇸 617 94 10ms 29 Aug 2025 119th janbehrens 🇩🇪 611 95 11ms 1 Dec 2023 119th wuzekai518 611 95 11ms 16 Jul 2024 119th CoolBvll 611 95 10ms 13 Jun 2025 119th Techdude01 611 95 11ms 14 Aug 2025 123rd bac0id 592 98 11ms 10 Jan 2025 123rd Troon 592 98 10ms 18 Feb 2025 125th Ripick 586 99 10ms 1 Dec 2023 125th hellwue 586 99 11ms 22 Feb 2024 127th 051 🇸🇬 574 101 11ms 24 Dec 2023 128th WillConker 569 102 26ms 10 Mar 2024 129th markusgraube 563 103 10ms 22 Jun 2024 130th KadinSchultz 558 104 9ms 4 Dec 2023 130th cros107 🇦🇺 558 104 10ms 26 Dec 2023 130th JunkIce 558 104 11ms 24 Nov 2024 133rd madex 🇩🇪 552 105 11ms 21 May 2024 134th neihousaigaai 537 108 12ms 11 Feb 2024 135th Bodo171 532 109 10ms 1 Jul 2024 135th trist224 🇫🇷 532 109 13ms 3 Aug 2025 137th rollershutter 527 110 11ms 20 Dec 2023 137th fourth-bit 527 110 21ms 1 Jul 2024 137th jipsong 🇩🇪 527 110 20ms 5 Jul 2025 140th minhtrancccp 523 111 10ms 1 Dec 2023 140th croc54 523 111 20ms 30 Dec 2024 140th Mikey-Beep 🇬🇧 523 111 21ms 24 Jul 2025 140th CommandLeo 🇮🇹 523 111 21ms 1 Nov 2025 144th knutae 🇳🇴 518 112 21ms 16 Dec 2023 145th mathisfun271 513 113 19ms 23 Dec 2023 146th anarconic 504 115 10ms 11 Dec 2023 146th moustave 504 115 20ms 19 Nov 2024 146th damoose717 504 115 20ms 23 May 2025 149th NanduBC 500 116 11ms 6 Sep 2024 150th TinyTheBrontosaurus 479 121 19ms 3 Dec 2023 150th RobertHoeh 479 121 11ms 9 Dec 2023 150th klixel 🇨🇦 479 121 10ms 21 Jun 2025 153rd Stockoh 🇫🇷 472 123 11ms 23 Apr 2024 154th yuchuehw 468 124 20ms 15 May 2024 154th Flekay 🇩🇪 468 124 19ms 11 Jul 2025 156th estomagordo 🇳🇱 464 125 10ms 25 Mar 2025 157th Vaekor 460 126 12ms 28 Feb 2024 158th 4ndyJ 🇬🇧 453 128 10ms 29 Feb 2024 159th CutSandstone 450 129 11ms 19 Jul 2024 159th wh3n3v3r 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