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    The Gray Code Decoder and Gray Code Encoder holes will go live in approximately . Why not try and solve them ahead of time?

    Rankings: Medals

    Most tied gold medals in Scheme in bytes.

    # Hole Total
    1st Arabic to Roman 15
    2nd Fibonacci 14
    3rd Quine 11
    4th Niven Numbers 6
    5th Evil Numbers 5
    5th Evil Numbers (Long) 5
    5th Farey Sequence 5
    5th Odious Numbers 5
    5th Odious Numbers (Long) 5
    10th Fizz Buzz 4
    10th 𝑒 4
    12th Divisors 3
    12th Leap Years 3
    12th Pangram Grep 3
    12th Pascal’s Triangle 3
    12th φ 3
    17th 12 Days of Christmas 2
    17th Ascending Primes 2
    17th Card Number Validation 2
    17th Catalan Numbers 2
    17th Collatz 2
    17th Emirp Numbers 2
    17th Emirp Numbers (Long) 2
    17th Foo Fizz Buzz Bar 2
    17th Fractions 2
    17th Happy Numbers (Long) 2
    17th Leyland Numbers 2
    17th Morse Encoder 2
    17th PalindromemordnilaP 2
    17th Pernicious Numbers 2
    17th Prime Numbers 2
    17th Prime Numbers (Long) 2
    17th Recamán 2
    17th Rule 110 2
    17th Tower of Hanoi 2
    17th Trinomial Triangle 2
    17th Zeckendorf Representation 2
    17th √2 2
    39th 24 Game 1
    39th 99 Bottles of Beer 1
    39th Abundant Numbers 1
    39th Abundant Numbers (Long) 1
    39th Arithmetic Numbers 1
    39th Arrows 1
    39th ASCII Table 1
    39th Billiards 1
    39th brainfuck 1
    39th Calendar 1
    39th Catalan’s Constant 1
    39th Christmas Trees 1
    39th Continued Fractions 1
    39th CSS Colors 1
    39th Cubes 1
    39th Day of Week 1
    39th DFA Simulator 1
    39th Diamonds 1
    39th Emojify 1
    39th Factorial Factorisation 1
    39th Forsyth–Edwards Notation 1
    39th Game of Life 1
    39th Gijswijt’s Sequence 1
    39th Happy Numbers 1
    39th Hexdump 1
    39th Hilbert Curve 1
    39th Intersection 1
    39th Inventory Sequence 1
    39th ISBN 1
    39th Jacobi Symbol 1
    39th Kaprekar Numbers 1
    39th Kolakoski Constant 1
    39th Kolakoski Sequence 1
    39th Levenshtein Distance 1
    39th ln 2 1
    39th Look and Say 1
    39th Lucky Numbers 1
    39th Lucky Tickets 1
    39th Mahjong 1
    39th Mandelbrot 1
    39th Maze 1
    39th Medal Tally 1