The Billiards hole will go live in 6 days. Why not try and solve it ahead of time?
Kaprekar 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 76th DialFrost 🇸🇬 891 91 18 days ago 77th ovs-code 🇩🇪 890 57 22 days ago 78th JayXon 🇺🇸 890 72 3 days ago 79th JayXon 🇺🇸 890 101 18 days ago 80th DialFrost 🇸🇬 890 126 10 days ago 81st ovs-code 🇩🇪 888 59 20 days ago 81st pardouin 🇫🇷 888 59 18 days ago 83rd DialFrost 🇸🇬 887 71 17 days ago 84th DialFrost 🇸🇬 886 88 11 days ago 85th nwellnhof 🇩🇪 886 94 21 days ago 86th JayXon 🇺🇸 883 127 22 days ago 86th nwellnhof 🇩🇪 883 127 22 days ago 86th rucin93 🇵🇱 883 127 a day ago 89th DialFrost 🇸🇬 882 68 17 days ago 90th DialFrost 🇸🇬 882 86 18 days ago 91st nwellnhof 🇩🇪 882 113 22 days ago 91st DialFrost 🇸🇬 882 113 21 days ago 91st rucin93 🇵🇱 882 113 5 days ago 91st sean-niemann 🇺🇸 882 113 4 days ago 95th JayXon 🇺🇸 881 76 18 days ago 96th DialFrost 🇸🇬 879 66 17 days ago 97th ovs-code 🇩🇪 878 114 23 days ago 98th JayXon 🇺🇸 876 63 a day ago 99th DialFrost 🇸🇬 876 118 10 days ago 100th ovs-code 🇩🇪 875 119 19 days ago 101st DialFrost 🇸🇬 873 60 10 days ago 102nd nwellnhof 🇩🇪 873 158 23 days ago 103rd kg583 🇺🇸 872 136 23 days ago 104th kg583 🇺🇸 870 130 18 days ago 105th bizy-coder 869 69 23 days ago 106th pardouin 🇫🇷 869 77 21 days ago 107th ovs-code 🇩🇪 869 146 11 days ago 108th JayXon 🇺🇸 868 148 19 days ago 109th DialFrost 🇸🇬 868 185 4 days ago 110th sean-niemann 🇺🇸 866 74 19 days ago 111th AlephSquirrel 866 137 23 days ago 112th DialFrost 🇸🇬 865 67 17 days ago 112th lifthrasiir 🇰🇷 865 67 8 days ago 114th UnderKoen 🇳🇱 863 188 23 days ago 115th saito-ta 🇯🇵 862 194 23 days ago 116th MeWhenI 🇻🇦 860 88 22 days ago 117th bizy-coder 860 116 22 days ago 118th stefangimmillaro 858 81 23 days ago 119th DialFrost 🇸🇬 857 150 11 days ago 120th MeWhenI 🇻🇦 856 131 22 days ago 121st nwellnhof 🇩🇪 853 68 19 days ago 122nd orthoplex 🇨🇽 852 68 23 days ago 123rd Kacarott 🇦🇺 852 99 20 days ago 124th stefangimmillaro 852 117 23 days ago 125th dokutan 851 203 23 days ago 126th nwellnhof 🇩🇪 847 79 22 days ago 127th KatieLG 🇬🇧 847 161 23 days ago 128th stefangimmillaro 847 1,162 13 days ago 129th MeWhenI 🇻🇦 845 62 22 days ago 130th dokutan 844 206 23 days ago 131st dokutan 844 253 23 days ago 132nd MeWhenI 🇻🇦 842 179 22 days ago 133rd bizy-coder 841 87 23 days ago 134th stefangimmillaro 841 90 23 days ago 135th rucin93 🇵🇱 840 75 10 days ago 136th duckyluuk 🇳🇱 840 293 20 days ago 137th inventshah 837 80 21 days ago 138th stefangimmillaro 836 66 19 days ago 139th ovs-code 🇩🇪 832 77 19 days ago 140th namelessiw 832 91 10 days ago 141st error256 831 63 23 days ago 142nd JohandeRuiter 🇳🇱 826 81 3 days ago 143rd dokutan 826 440 23 days ago 144th rucin93 🇵🇱 825 92 7 days ago 145th ovs-code 🇩🇪 824 67 23 days ago 146th rucin93 🇵🇱 824 82 17 days ago 146th DialFrost 🇸🇬 824 82 16 days ago 146th sean-niemann 🇺🇸 824 82 5 days ago 149th stefangimmillaro 824 136 23 days ago 150th HumanoidCPU 824 480 23 days ago Prev 76–150 of 595 Next