The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Recamán 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 801st Natanaelel 🇸🇪 727 60 875ms 17 Jun 2021 802nd qrico64 727 74 10ms 2 Feb 2021 802nd bastienvoirin 🇫🇷 727 74 10ms 10 May 2021 802nd mauro-1 🇮🇹 727 74 10ms 17 Aug 2021 802nd petar-donchev 727 74 17ms 5 Dec 2021 802nd knutae 🇳🇴 727 74 10ms 6 Dec 2021 802nd clementblaudeau 727 74 16ms 27 Jan 2022 802nd j-Ewan 727 74 17ms 1 Mar 2022 802nd guilhem-roy 🇫🇷 727 74 16ms 3 Mar 2022 802nd Trunksistor 🇫🇷 727 74 16ms 19 May 2022 802nd nstearns96 🇬🇧 727 74 18ms 12 Dec 2022 802nd vishwathg 727 74 11ms 7 Apr 2023 802nd dranjohn 727 74 10ms 11 Sep 2023 802nd rollershutter 727 74 17ms 23 Oct 2023 802nd starfihs 727 74 25ms 5 Aug 2024 802nd BREMAUCY 🇫🇷 727 74 10ms 12 Aug 2025 802nd wobblybits 727 74 10ms 23 Aug 2025 802nd michelebastione 🇮🇹 727 74 9ms 3 Nov 2025 819th btjones0 727 117 151ms 9 Jan 2021 820th albanian-laundromat 727 224 11ms 20 days ago 821st duckyluuk 🇳🇱 726 73 8ms 7 Nov 2025 822nd DialFrost 🇸🇬 726 81 11ms 16 Aug 2024 822nd emgordon154 726 81 9ms 29 Aug 2024 824th yzhs 🇩🇪 725 56 41ms 20 Jul 2022 825th KatieLG 🇬🇧 724 113 343ms 13 Oct 2022 826th strout 723 95 123ms 15 Aug 2022 827th janbehrens 🇩🇪 722 69 341ms 10 Nov 2021 828th BlankSpruce 722 116 66ms 18 Sep 2024 829th luuumine 🇫🇷 721 118 146ms 13 Nov 2025 830th CheeseCake628 🇳🇴 720 71 426ms 18 Oct 2025 831st lifthrasiir 🇰🇷 719 40 2ms 27 Nov 2024 832nd zbreit 🇺🇸 718 75 10ms 20 Aug 2021 832nd itsjustfreekie 718 75 10ms 22 Sep 2021 832nd amollberg 🇸🇪 718 75 11ms 27 Jan 2022 832nd NerdyMcNerd42 718 75 10ms 13 Aug 2022 832nd MaxElf999 718 75 16ms 3 Oct 2022 832nd LeeCamp 718 75 10ms 13 Jan 2023 832nd hiichbindermax 718 75 11ms 17 Feb 2023 832nd mbittner20 718 75 10ms 27 May 2023 832nd ImpressedByRocks 718 75 17ms 17 May 2024 832nd Bulmenisaurus 718 75 10ms 4 Nov 2024 832nd bltnppcnt 718 75 16ms 5 Jan 2025 832nd 40fied4t 718 75 10ms 22 May 2025 832nd Lv0Sys 🇵🇱 718 75 10ms 20 days ago 832nd Andrey2001 718 75 16ms 15 days ago 846th MeWhenI 🇻🇦 717 57 4ms 17 Nov 2023 847th MeWhenI 🇻🇦 716 95 3,347ms 24 Oct 2024 848th rak1507 🇬🇧 716 96 122ms 21 Jan 2021 848th scpchicken 🇵🇼 716 96 119ms 23 Mar 2022 850th DialFrost 🇸🇬 715 190 1,714ms 13 Sep 2025 851st luuumine 🇫🇷 714 89 3ms 23 days ago 852nd varhammer 🇷🇺 714 110 6ms 13 Dec 2023 853rd lynn 713 44 35ms 4 Apr 2021 854th hiddicop 🇸🇪 712 57 39ms 30 Jan 2021 854th aydamak 712 57 38ms 17 May 2024 854th KatieLG 🇬🇧 712 57 38ms 2 Oct 2025 854th blaztoma 🇱🇹 712 57 35ms 12 Oct 2025 854th snoozingnewt 🇨🇦 712 57 39ms 14 Oct 2025 859th JDiLenarda 🇫🇷 712 115 323ms 29 Nov 2023 860th kmathis22 712 121 439ms 23 Oct 2025 861st alomiF 709 97 149ms 23 Aug 2024 862nd verticallity 709 120 151ms 8 Apr 2022 863rd error256 708 73 66ms 13 Sep 2024 864th tomh1012 708 76 10ms 3 Mar 2021 864th gilufin 708 76 10ms 23 Jun 2021 864th Mikey-Beep 🇬🇧 708 76 10ms 6 Oct 2022 864th DrPiranoid 708 76 9ms 7 Oct 2022 864th Troon 708 76 25ms 14 Oct 2022 864th ssbhatt4321 708 76 18ms 14 Oct 2023 864th m42km 708 76 17ms 17 Jan 2024 864th Schreipfelerer 708 76 10ms 26 Sep 2024 872nd snoozingnewt 🇨🇦 707 94 85ms 8 Oct 2025 873rd edsrzf 🇳🇿 706 83 4ms 2 Nov 2024 874th KrausRaus 🇺🇸 705 70 8ms 10 Jan 2021 874th Re-Adventures 🇮🇳 705 70 8ms 12 Mar 2021 876th rboath 704 69 101ms 8 Jan 2025 877th edsrzf 🇳🇿 703 92 3ms 12 Nov 2025 878th MeWhenI 🇻🇦 703 97 14ms 3 Nov 2023 879th rvdnieuwendijk 🇳🇱 702 60 222ms 28 Dec 2020 879th janbehrens 🇩🇪 702 60 233ms 29 Sep 2021 First Prev 801–880 of 1,990 Next Last