The Billiards hole will go live in 6 days. Why not try and solve it ahead of time?
ISBN in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc gs 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 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 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 Maze Medal Tally 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 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 Maze Medal Tally 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Points Bytes Time 450th edsrzf 🇳🇿 798 106 6 Oct 2024 452nd MeWhenI 🇻🇦 798 137 12 Sep 2022 453rd cbrt-x 798 164 16 Jan 2022 454th akshatj27 🇦🇶 797 68 10 Jan 2022 454th SirBogman 🇺🇸 797 68 19 May 2022 454th Shanethegamer 🇺🇸 797 68 27 May 2022 454th Natanaelel 🇸🇪 797 68 21 Jun 2022 454th stefangimmillaro 797 68 19 Dec 2022 454th Haksell 🇦🇶 797 68 23 Feb 2023 454th anter69 🇭🇺 797 68 20 Nov 2023 461st mtirado1 797 108 6 May 2023 462nd edsrzf 🇳🇿 797 132 23 days ago 463rd igmcdowell 796 89 24 Feb 2022 463rd inventshah 796 89 21 Jun 2022 463rd olleicua 🇺🇸 796 89 3 Feb 2024 463rd kpal81xd 796 89 15 Sep 2024 467th sean-niemann 🇺🇸 796 121 25 Jan 2024 468th Shanethegamer 🇺🇸 796 159 20 Jul 2023 469th SirBogman 🇺🇸 795 39 4 Oct 2022 470th prplz 🇦🇺 795 128 19 Jan 2022 471st stefangimmillaro 794 152 28 Oct 2023 472nd neihousaigaai 793 111 11 Jan 2022 472nd knutae 🇳🇴 793 111 18 Jan 2022 472nd rschwa6308 🇺🇸 793 111 22 Mar 2023 472nd zbreit 🇺🇸 793 111 22 Mar 2023 472nd InigoK 🇺🇸 793 111 14 Jun 2023 477th SirBogman 🇺🇸 792 96 16 Jan 2024 478th ovs-code 🇩🇪 790 105 17 Feb 2024 479th ovs-code 🇩🇪 789 129 10 Feb 2023 480th ovs-code 🇩🇪 789 153 21 Jun 2023 481st GrayJoKing 🇦🇺 788 59 14 Jan 2022 481st Shanethegamer 🇺🇸 788 59 20 Jun 2022 483rd weliveinhell 🇭🇹 787 90 11 Jan 2024 484th tomh1012 787 98 31 Jan 2022 484th pkim 787 98 6 Apr 2023 484th danielxbauer 787 98 6 Apr 2023 484th meinsiedler 787 98 6 Apr 2023 484th postie77 787 98 8 May 2023 489th guilhem-roy 🇫🇷 786 112 5 Jun 2022 489th ahmetdemirag 🇨🇾 786 112 30 Jun 2024 491st m-tkach 🇺🇦 786 161 31 Oct 2023 492nd 4hg 🇺🇸 785 69 30 Nov 2022 492nd Andriamanitra 🇫🇮 785 69 17 Apr 2023 494th emgordon154 785 95 9 days ago 495th bwat2 784 167 13 Jan 2022 495th rifatx 784 167 23 Jul 2024 497th adyache 🇺🇸 783 92 2 Aug 2023 498th lynn 783 154 11 Mar 2022 498th The3gs 783 154 18 Aug 2023 500th inventshah 782 106 7 Aug 2024 501st Skleni 779 99 6 Apr 2023 502nd commandblockguy 🇺🇸 779 113 3 Nov 2022 502nd jakobkordez 🇸🇮 779 113 13 Nov 2022 502nd mossprescott 779 113 16 Jan 2023 502nd SB-945 779 113 19 Aug 2023 502nd davitf 779 113 30 Apr 2024 507th Yewzir 🇧🇪 779 135 16 Dec 2023 507th Maximizer02 779 135 24 Sep 2024 509th adamnielson42 🇺🇸 778 91 26 Apr 2023 510th msbranicky 778 112 10 Oct 2023 511th MeWhenI 🇻🇦 777 96 25 Oct 2024 512th sean-niemann 🇺🇸 777 100 20 Jul 2024 513th rak1507 🇬🇧 775 40 10 Jan 2022 513th Frowny 775 40 13 Jan 2022 513th jared-hughes 775 40 29 Jul 2022 513th razetime 775 40 22 Aug 2022 517th JRaspass 🇬🇧 775 60 18 Jan 2023 518th Steffan153 🇫🇮 775 132 5 Jul 2024 519th Shanethegamer 🇺🇸 773 76 12 Oct 2022 520th strout 773 145 15 Aug 2022 521st andersk 🇺🇸 773 156 30 Oct 2022 522nd Shanethegamer 🇺🇸 772 76 8 Oct 2022 522nd stefangimmillaro 772 76 8 Jan 2023 522nd MeWhenI 🇻🇦 772 76 10 May 2023 525th aonkeeper4 772 114 5 Jul 2022 Prev 451–525 of 1,279 Next