The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 8 days. Why not try and solve them ahead of time?
Most tied gold medals in Elixir in chars. 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 # Hole Total 1st Quine 25 2nd Niven Numbers 16 3rd Happy Numbers 11 4th Emirp Numbers 10 4th Prime Numbers 10 6th Divisors 9 7th Pernicious Numbers 8 8th Day of Week 7 8th Fibonacci 7 10th Farey Sequence 5 10th Leap Years 5 10th Pangram Grep 5 13th ISBN 3 13th Leyland Numbers 3 13th Multitap Input 3 13th Prime Numbers (Long) 3 13th Tower of Hanoi 3 18th Abundant Numbers 2 18th Abundant Numbers (Long) 2 18th Catalan Numbers 2 18th Collatz 2 18th Diamonds 2 18th Evil Numbers 2 18th Evil Numbers (Long) 2 18th Fizz Buzz 2 18th Forsyth–Edwards Notation 2 18th Game of Life 2 18th Kolakoski Sequence 2 18th ln 2 2 18th Lucky Numbers 2 18th Niven Numbers (Long) 2 18th Odious Numbers 2 18th Odious Numbers (Long) 2 18th Pernicious Numbers (Long) 2 18th Rock-paper-scissors-Spock-lizard 2 18th Roman to Arabic 2 18th Sierpiński Triangle 2 18th φ 2 18th √2 2 18th 𝑒 2 41st 12 Days of Christmas 1 41st 24 Game 1 41st 99 Bottles of Beer 1 41st Arabic to Roman 1 41st Arithmetic Numbers 1 41st Arrows 1 41st Ascending Primes 1 41st ASCII Table 1 41st Billiards 1 41st brainfuck 1 41st Calendar 1 41st Card Number Validation 1 41st Catalan’s Constant 1 41st Christmas Trees 1 41st Continued Fractions 1 41st CSS Colors 1 41st Cubes 1 41st DFA Simulator 1 41st Emirp Numbers (Long) 1 41st Emojify 1 41st Factorial Factorisation 1 41st Foo Fizz Buzz Bar 1 41st Fractions 1 41st Gijswijt’s Sequence 1 41st Happy Numbers (Long) 1 41st Hexdump 1 41st Hilbert Curve 1 41st Intersection 1 41st Inventory Sequence 1 41st Jacobi Symbol 1 41st Kaprekar Numbers 1 41st Kolakoski Constant 1 41st Levenshtein Distance 1 41st Look and Say 1 41st Lucky Tickets 1 41st Mahjong 1 41st Mandelbrot 1 41st Maze 1 41st Medal Tally 1 41st Minesweeper 1 1–80 of 126 Next Last