The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 7 days. Why not try and solve them ahead of time?
Deltas between diamonds and silvers in SQL in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns 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 Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Hilbert Curve 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 Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers 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 ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig All Bytes Chars Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns Scoring All Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin 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 Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Hilbert Curve 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 Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers 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 ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Hole Total 1st UnderKoen 🇳🇱 Billiards 5,515 2nd KatieLG 🇬🇧 Sudoku (Fill-in) 3,606 3rd UnderKoen 🇳🇱 Reversi 3,206 4th emgordon154 Star Wars Opening Crawl 2,740 5th KatieLG 🇬🇧 Sudoku 2,598 6th UnderKoen 🇳🇱 Poker 2,417 7th UnderKoen 🇳🇱 QR Decoder 1,257 8th UnderKoen 🇳🇱 Cubes 474 9th UnderKoen 🇳🇱 Star Wars GPT 467 10th UnderKoen 🇳🇱 DFA Simulator 421 11th UnderKoen 🇳🇱 Set 412 12th primo-ppcg 🇹🇭 φ 401 13th primo-ppcg 🇹🇭 ln 2 391 14th primo-ppcg 🇹🇭 π 389 15th UnderKoen 🇳🇱 Repeating Decimals 378 16th UnderKoen 🇳🇱 Topological Sort 368 17th primo-ppcg 🇹🇭 τ 360 18th primo-ppcg 🇹🇭 √2 353 19th m-tkach 🇺🇦 Vampire Numbers 340 20th emgordon154 Mandelbrot 324 21st UnderKoen 🇳🇱 Musical Chords 320 22nd m-tkach 🇺🇦 CSS Colors 187 23rd UnderKoen 🇳🇱 Spelling Numbers 144 24th UnderKoen 🇳🇱 Mahjong 133 25th UnderKoen 🇳🇱 Minesweeper 106 26th emgordon154 Multitap Input 102 27th m-tkach 🇺🇦 Kaprekar Numbers 99 28th m-tkach 🇺🇦 Polyominoes 97 29th snoozingnewt 🇨🇦 Hilbert Curve 90 30th UnderKoen 🇳🇱 Proximity Grid 88 31st m-tkach 🇺🇦 Zodiac Signs 74 32nd edsrzf 🇳🇿 N Queens 66 33rd m-tkach 🇺🇦 United States 65 34th edsrzf 🇳🇿 SI Units 58 35th m-tkach 🇺🇦 Reverse Polish Notation 56 36th edsrzf 🇳🇿 Morse Decoder 43 36th UnderKoen 🇳🇱 brainfuck 43 38th edsrzf 🇳🇿 Rock-paper-scissors-Spock-lizard 40 38th UnderKoen 🇳🇱 Tic-tac-toe 40 40th UnderKoen 🇳🇱 Medal Tally 38 40th m-tkach 🇺🇦 Emojify 38 42nd UnderKoen 🇳🇱 Factorial Factorisation 36 42nd emgordon154 Time Distance 36 42nd m-tkach 🇺🇦 Levenshtein Distance 36 45th m-tkach 🇺🇦 Lucky Numbers 34 45th m-tkach 🇺🇦 12 Days of Christmas 34 47th primo-ppcg 🇹🇭 𝑒 31 48th primo-ppcg 🇹🇭 Jacobi Symbol 29 49th UnderKoen 🇳🇱 Lucky Tickets 28 50th m-tkach 🇺🇦 Kolakoski Sequence 27 50th m-tkach 🇺🇦 Ascending Primes 27 52nd m-tkach 🇺🇦 Number Spiral 25 53rd bstrat Calendar 23 54th m-tkach 🇺🇦 99 Bottles of Beer 22 55th m-tkach 🇺🇦 Transpose Sentence 21 56th m-tkach 🇺🇦 Rule 110 20 56th UnderKoen 🇳🇱 Catalan’s Constant 20 58th sisyphus-ppcg 🇦🇺 Tongue-twisters 19 58th UnderKoen 🇳🇱 λ 19 58th m-tkach 🇺🇦 Happy Numbers (Long) 19 61st Lydxn 🇨🇦 Pernicious Numbers (Long) 17 61st m-tkach 🇺🇦 Recamán 17 63rd UnderKoen 🇳🇱 γ 15 63rd m-tkach 🇺🇦 PalindromemordnilaP 15 65th m-tkach 🇺🇦 ROT13 14 65th roelderickx 24 Game 14 67th m-tkach 🇺🇦 Arrows 13 67th UnderKoen 🇳🇱 Look and Say 13 67th m-tkach 🇺🇦 Arithmetic Numbers 13 67th primo-ppcg 🇹🇭 Christmas Trees 13 71st UnderKoen 🇳🇱 Hexdump 12 71st UnderKoen 🇳🇱 Kolakoski Constant 12 73rd emgordon154 Diamonds 11 73rd m-tkach 🇺🇦 Prime Numbers (Long) 11 75th m-tkach 🇺🇦 Collatz 10 75th UnderKoen 🇳🇱 Partition Numbers 10 75th m-tkach 🇺🇦 Smith Numbers 10 75th m-tkach 🇺🇦 Catalan Numbers 10 79th emgordon154 Emirp Numbers (Long) 9 80th edsrzf 🇳🇿 Forsyth–Edwards Notation 8 1–80 of 106 Next Last
