The Billiards hole will go live in 7 days. Why not try and solve it ahead of time?
Emirp Numbers in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 Chars Time 826th j-Ewan 631 41 4 Feb 2022 826th yzhs 🇩🇪 631 41 23 Jun 2022 828th joseprio 631 89 10 Aug 2019 829th orthoplex 🇨🇽 631 90 4 Jul 2024 830th rak1507 🇬🇧 629 105 18 Jan 2021 831st Sakaala 628 86 20 Apr 2019 831st jsthope 628 86 9 Mar 2023 831st enbyte 628 86 9 Dec 2023 834th DialFrost 🇸🇬 628 128 26 Jan 2024 835th prplz 🇦🇺 626 381 16 Apr 2019 836th ashtraypettingzoo 🇺🇸 625 40 5 Apr 2023 837th KrausRaus 🇺🇸 625 91 16 Mar 2021 838th AaronGarbut 625 105 30 Jul 2019 838th alexjlaberge 625 105 21 Jul 2020 840th WilliamChiu 624 90 29 May 2020 841st proton 🇩🇪 623 64 10 Jun 2020 841st ovs-code 🇩🇪 623 64 15 Feb 2022 843rd aDwarfNamedUrist 623 106 18 Sep 2024 844th lelbal 621 87 9 days ago 845th dokutan 621 116 14 Jun 2024 846th citsur 617 107 31 May 2019 846th Awsute 617 107 16 Mar 2022 846th Sakisan 🇧🇪 617 107 29 Oct 2022 849th error256 613 73 28 Jun 2024 850th dokutan 613 131 1 Apr 2024 851st nwellnhof 🇩🇪 612 57 27 Dec 2021 852nd ramytarchichy 611 108 26 Oct 2019 852nd HuggieBo 611 108 28 Oct 2023 854th KrausRaus 🇺🇸 609 63 9 Apr 2021 855th lynn 608 70 25 May 2022 856th Faweks1 607 89 1 Aug 2018 856th Re-Adventures 🇮🇳 607 89 1 Dec 2021 856th IshanPanpaliya 607 89 2 Apr 2022 859th MeWhenI 🇻🇦 606 88 3 Aug 2024 860th neel11235813 605 149 25 Dec 2022 860th KatieLG 🇬🇧 605 149 25 Dec 2022 860th KatieLG-Transpiler 🇬🇧 605 149 26 Dec 2022 860th retrohun 605 149 27 Dec 2022 860th aksyristos 605 149 31 Dec 2022 860th MeWhenI 🇻🇦 605 149 27 Feb 2023 860th Shanethegamer 🇺🇸 605 149 2 Mar 2023 860th msbranicky 605 149 21 Sep 2023 860th HumanoidCPU 605 149 5 May 2024 860th Mabeloid 🇳🇴 605 149 17 Sep 2024 870th KrausRaus 🇺🇸 605 167 21 Mar 2021 871st KatieLG 🇬🇧 604 66 18 May 2021 872nd igmcdowell 604 93 28 Nov 2021 873rd MeWhenI 🇻🇦 603 117 29 Nov 2022 874th typeswitch-dev 🇵🇹 602 93 27 Aug 2023 875th error256 602 136 28 Jun 2024 876th dokutan 601 74 23 Oct 2024 877th alemelis 601 83 1 Sep 2024 878th labster 600 64 23 Feb 2018 878th nwellnhof 🇩🇪 600 64 14 Jul 2022 880th neihousaigaai 600 90 31 Oct 2022 881st HumanoidCPU 599 88 9 May 2024 882nd dokutan 599 89 7 Aug 2024 883rd SirBogman 🇺🇸 599 135 29 Oct 2022 884th sisyphus-ppcg 🇦🇺 599 398 25 Jan 2021 885th gnlow 🇰🇷 598 94 3 May 2020 885th biocommando 🇫🇮 598 94 16 Aug 2023 887th CatsAreFluffy 598 170 12 Mar 2023 887th KatieLG-Transpiler 🇬🇧 598 170 18 Nov 2023 887th Mabeloid 🇳🇴 598 170 18 Sep 2024 890th Irratix 🇳🇱 597 110 13 Jun 2022 891st Shanethegamer 🇺🇸 595 67 11 May 2021 891st Irratix 🇳🇱 595 67 4 Mar 2022 893rd hymanimy 595 111 20 Aug 2021 894th msbranicky 595 135 11 Oct 2023 895th massung 594 62 26 Mar 2019 896th HumanoidCPU 594 84 27 May 2024 897th jotham 593 91 15 Jul 2022 897th retrohun 593 91 29 Oct 2022 897th alemelis 593 91 1 Sep 2024 900th janbehrens 🇩🇪 592 157 4 Sep 2021 Prev 826–900 of 2,610 Next
