The Billiards hole will go live in 7 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 225th BambooleanLogic 🇸🇪 692 78 3 days ago 227th MeWhenI 🇻🇦 690 80 21 days ago 228th fourth-bit 690 97 12 days ago 229th FlyingPenguin223 687 97 16 days ago 230th KasperKivimaeki 🇫🇮 683 98 21 days ago 230th elgan65536 683 98 20 days ago 232nd Shanethegamer 🇺🇸 681 102 22 days ago 233rd alemelis 676 75 22 days ago 234th stefangimmillaro 675 80 22 days ago 235th 5cw 🇺🇸 674 86 20 days ago 235th davitf 674 86 10 days ago 237th madex 🇩🇪 672 121 22 days ago 238th brimanwebb 670 113 14 days ago 239th Ripick 669 119 18 days ago 240th emgordon154 665 83 3 days ago 241st DialFrost 🇸🇬 663 208 16 days ago 242nd Shanethegamer 🇺🇸 659 170 22 days ago 243rd roupiq 🇵🇱 656 102 10 days ago 244th lifthrasiir 🇰🇷 650 83 9 days ago 245th lifthrasiir 🇰🇷 650 125 15 days ago 246th Shanethegamer 🇺🇸 642 79 22 days ago 247th Andrey135296 642 118 14 days ago 248th DialFrost 🇸🇬 641 198 16 days ago 249th stefangimmillaro 638 119 16 days ago 250th emgordon154 635 85 17 days ago 251st m-tkach 🇺🇦 634 256 21 days ago 252nd DialFrost 🇸🇬 634 337 4 days ago 253rd AlephSquirrel 625 96 22 days ago 254th JDiLenarda 🇫🇷 615 146 17 days ago 255th Shanethegamer 🇺🇸 611 133 22 days ago 256th dmrichwa 🇺🇸 606 89 20 days ago 257th KatieLG 🇬🇧 605 268 12 days ago 258th zbreit 🇺🇸 604 138 22 days ago 258th rschwa6308 🇺🇸 604 138 14 days ago 260th anter69 🇭🇺 595 88 18 days ago 261st AlephSquirrel 591 98 22 days ago 262nd ovs-code 🇩🇪 589 149 8 days ago 263rd KrausRaus 🇺🇸 587 92 20 days ago 264th targrik 583 116 8 days ago 265th emgordon154 582 90 4 days ago 266th voytxt 🇨🇿 580 93 22 days ago 267th stefangimmillaro 579 100 16 days ago 268th dokutan 576 237 22 days ago 269th error256 569 117 22 days ago 270th MeWhenI 🇻🇦 566 106 17 days ago 271st fourth-bit 557 104 18 days ago 272nd Natanaelel 🇸🇪 556 97 21 days ago 272nd madeforlosers 556 97 18 days ago 274th ovs-code 🇩🇪 555 152 10 days ago 275th anter69 🇭🇺 552 105 18 days ago 275th duckyluuk 🇳🇱 552 105 16 days ago 277th duckyluuk 🇳🇱 551 98 19 days ago 278th madeforlosers 551 1,787 14 days ago 279th fourth-bit 545 153 17 days ago 280th HumanoidCPU 541 1,820 22 days ago 281st Jonatan6 🇩🇰 540 124 19 days ago 282nd retrohun 537 299 20 days ago 283rd MeWhenI 🇻🇦 536 108 17 days ago 284th aksyristos 531 104 21 days ago 285th MeWhenI 🇻🇦 529 465 21 days ago 286th sidok 523 97 9 days ago 287th edsrzf 🇳🇿 523 330 16 days ago 288th ahmetdemirag 🇨🇾 513 113 10 days ago 289th aksyristos 511 163 21 days ago 290th dokutan 510 483 22 days ago 291st MostParsingVex 508 164 18 days ago 292nd edsrzf 🇳🇿 506 197 22 days ago 293rd Shanethegamer 🇺🇸 504 107 22 days ago 294th error256 504 115 22 days ago 295th stefangimmillaro 498 274 22 days ago 296th dokutan 496 256 22 days ago 297th KatieLG 🇬🇧 496 1,983 22 days ago 298th Andrey-Plotnikov 486 111 16 days ago 299th HumanoidCPU 481 512 22 days ago 299th Shanethegamer 🇺🇸 481 512 22 days ago Prev 226–300 of 594 Next