The Billiards hole will go live in 6 days. Why not try and solve it ahead of time?
PalindromemordnilaP in all languages in chars. 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 Chars Time 1st canissimia 🇦🇶 1,000 22 12 Sep 2024 2nd ovs-code 🇩🇪 974 26 1 Sep 2024 2nd zacjl 974 26 13 Sep 2024 4th JayXon 🇺🇸 954 65 3 Sep 2024 4th error256 954 65 4 Sep 2024 6th stackofbears 943 33 1 Sep 2024 6th ovs-code 🇩🇪 943 33 1 Sep 2024 8th btnlq 939 66 1 Sep 2024 8th pardouin 🇫🇷 939 66 1 Sep 2024 8th MeWhenI 🇻🇦 939 66 1 Sep 2024 11th 2bular 938 27 1 Sep 2024 12th JayXon 🇺🇸 937 45 2 Sep 2024 12th nwellnhof 🇩🇪 937 45 3 Sep 2024 12th error256 937 45 9 Sep 2024 12th radarek 🇵🇱 937 45 10 Sep 2024 12th canissimia 🇦🇶 937 45 12 Sep 2024 17th canissimia 🇦🇶 929 40 1 Sep 2024 17th nwellnhof 🇩🇪 929 40 1 Sep 2024 17th saito-ta 🇯🇵 929 40 3 Sep 2024 17th error256 929 40 3 Sep 2024 17th pardouin 🇫🇷 929 40 4 Sep 2024 22nd nwellnhof 🇩🇪 926 76 5 Sep 2024 22nd JayXon 🇺🇸 926 76 9 Sep 2024 24th emgordon154 917 24 10 Sep 2024 25th janlelis 917 46 11 Sep 2024 26th Natanaelel 🇸🇪 914 40 1 Sep 2024 26th GrayJoKing 🇦🇺 914 40 1 Sep 2024 26th nwellnhof 🇩🇪 914 40 1 Sep 2024 29th pardouin 🇫🇷 914 63 1 Sep 2024 29th JayXon 🇺🇸 914 63 1 Sep 2024 31st helbling 🇨🇭 914 77 4 Sep 2024 32nd error256 913 50 3 Sep 2024 33rd duckyluuk 🇳🇱 912 68 1 Sep 2024 33rd SB-945 912 68 1 Sep 2024 33rd hallvabo 🇳🇴 912 68 1 Sep 2024 36th Natanaelel 🇸🇪 906 41 1 Sep 2024 36th ovs-code 🇩🇪 906 41 1 Sep 2024 36th Steffan153 🇫🇮 906 41 1 Sep 2024 36th sisyphus-ppcg 🇦🇺 906 41 2 Sep 2024 40th Natanaelel 🇸🇪 905 28 1 Sep 2024 40th stackofbears 905 28 1 Sep 2024 40th bstrat 905 28 3 Sep 2024 40th SirBogman 🇺🇸 905 28 8 Sep 2024 44th canissimia 🇦🇶 905 44 1 Sep 2024 44th saito-ta 🇯🇵 905 44 4 Sep 2024 46th pardouin 🇫🇷 902 78 2 Sep 2024 46th error256 902 78 4 Sep 2024 48th duckyluuk 🇳🇱 900 64 1 Sep 2024 48th kg583 🇺🇸 900 64 1 Sep 2024 48th emgordon154 900 64 22 Oct 2024 51st error256 899 58 3 Sep 2024 51st JayXon 🇺🇸 899 58 10 Sep 2024 53rd kg583 🇺🇸 899 69 1 Sep 2024 53rd zbreit 🇺🇸 899 69 1 Sep 2024 53rd abhishekg999 899 69 17 Sep 2024 53rd emgordon154 899 69 26 Sep 2024 53rd anter69 🇭🇺 899 69 11 Oct 2024 58th GrayJoKing 🇦🇺 898 54 1 Sep 2024 59th MeWhenI 🇻🇦 897 47 1 Sep 2024 59th GrayJoKing 🇦🇺 897 47 2 Sep 2024 61st JayXon 🇺🇸 894 67 23 days ago 62nd JayXon 🇺🇸 891 92 18 Sep 2024 63rd nwellnhof 🇩🇪 890 52 1 Sep 2024 64th 2bular 889 35 1 Sep 2024 64th Frowny 889 35 1 Sep 2024 64th Natanaelel 🇸🇪 889 35 1 Sep 2024 64th 4hg 🇺🇸 889 35 5 Sep 2024 68th emplv 🇱🇻 889 70 17 Sep 2024 69th firegene 🇮🇪 886 70 3 Sep 2024 69th emgordon154 886 70 15 days ago 71st JayXon 🇺🇸 886 78 19 Sep 2024 72nd alemelis 884 59 1 Sep 2024 72nd pardouin 🇫🇷 884 59 2 Sep 2024 72nd antimon2 🇯🇵 884 59 23 Oct 2024 75th btnlq 882 55 1 Sep 2024 1–75 of 514 Next