The Billiards hole will go live in 6 days. Why not try and solve it ahead of time?
Evil Numbers in Ruby in bytes. 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 Bytes Time 1st Lydxn 🇨🇦 1,000 27 4 Feb 2022 1st radarek 🇵🇱 1,000 27 25 Mar 2022 3rd janlelis 964 28 5 Jan 2020 3rd primo-ppcg 🇹🇭 964 28 5 Oct 2020 3rd JayXon 🇺🇸 964 28 28 Feb 2021 3rd sisyphus-ppcg 🇦🇺 964 28 10 Jun 2021 3rd nwellnhof 🇩🇪 964 28 1 Nov 2021 3rd lynn 964 28 4 Feb 2022 3rd OhmNomNom 964 28 30 Oct 2022 3rd Steffan153 🇫🇮 964 28 17 Feb 2023 3rd Shanethegamer 🇺🇸 964 28 22 Mar 2023 3rd xsot 🇸🇬 964 28 25 May 2023 3rd stefangimmillaro 964 28 4 Aug 2023 3rd MeWhenI 🇻🇦 964 28 4 Aug 2023 3rd Natanaelel 🇸🇪 964 28 14 Mar 2024 3rd ovs-code 🇩🇪 964 28 22 Apr 2024 17th sean-niemann 🇺🇸 900 30 6 Aug 2024 18th FlyingPenguin223 871 31 23 days ago 19th prplz 🇦🇺 844 32 16 Mar 2020 19th GrayJoKing 🇦🇺 844 32 25 Jan 2021 19th emgordon154 844 32 21 Sep 2024 19th pardouin 🇫🇷 844 32 5 Oct 2024 23rd jaredcrystal 🇺🇸 818 33 10 Dec 2018 23rd yzhs 🇩🇪 818 33 8 Sep 2020 23rd Waffle3z 818 33 11 Jan 2021 23rd razetime 818 33 25 Jan 2021 23rd rak1507 🇬🇧 818 33 25 Jan 2021 23rd rbviz 818 33 29 Mar 2021 23rd 4hg 🇺🇸 818 33 6 Jul 2022 23rd m-tkach 🇺🇦 818 33 9 May 2023 31st jareddaugherty 794 34 3 Dec 2017 31st SirBogman 🇺🇸 794 34 14 Feb 2020 31st janbehrens 🇩🇪 794 34 24 Mar 2021 31st hugolgst 794 34 4 Jun 2021 31st anter69 🇭🇺 794 34 27 Jun 2021 31st Marin-Kitagawa 794 34 18 Jul 2021 31st xiBread 🇺🇸 794 34 27 Aug 2021 31st o0lit3 🇺🇸 794 34 11 Sep 2021 31st UladzimirSukharukau 794 34 13 Sep 2021 31st KatieLG 🇬🇧 794 34 1 Oct 2021 31st akshatj27 🇦🇶 794 34 11 Jan 2022 31st Irratix 🇳🇱 794 34 4 Mar 2022 31st orthoplex 🇨🇽 794 34 1 Apr 2022 31st Mortis66666 794 34 14 Jul 2022 31st jared-hughes 794 34 9 Sep 2022 31st Andriamanitra 🇫🇮 794 34 22 Sep 2022 31st DialFrost 🇸🇬 794 34 29 Jan 2023 31st Yewzir 🇧🇪 794 34 17 Nov 2023 49th hrrs01 771 35 14 Mar 2020 49th proton 🇩🇪 771 35 9 Jun 2020 49th hiddicop 🇸🇪 771 35 29 Jan 2021 49th liemvo 🇻🇳 771 35 16 Apr 2021 49th ls-samer-abuthaher 771 35 7 Oct 2022 49th muraterogl 🇹🇷 771 35 31 Dec 2022 55th vonagam 750 36 8 Nov 2017 55th sk- 750 36 12 Sep 2019 55th gilufin 750 36 23 May 2021 55th daninnm 750 36 23 Jul 2021 55th jbbarth 🇫🇷 750 36 21 Aug 2021 55th annaproxy 750 36 24 Aug 2022 61st jimworm 730 37 8 Nov 2017 61st acornellier 730 37 1 Dec 2021 61st pilaf 🇦🇷 730 37 14 Apr 2022 61st Haksell 🇦🇶 730 37 22 Feb 2023 61st rniii 730 37 21 Aug 2023 61st aaronze 🇦🇺 730 37 17 Sep 2023 61st olleicua 🇺🇸 730 37 27 Dec 2023 61st dokutan 730 37 30 Apr 2024 69th graft 711 38 11 Mar 2018 69th nexaitch 711 38 7 Jul 2020 69th galloj 🇨🇿 711 38 14 Sep 2022 69th RuyiLi 711 38 7 Apr 2023 73rd n1LS 692 39 2 Oct 2019 73rd ajc2 692 39 18 Oct 2019 73rd AlephSquirrel 692 39 7 Mar 2023 1–75 of 175 Next