Abundant Numbers
66th
Abundant Numbers (Long)
50th
Arithmetic Numbers
31st
Diamonds
37th
Divisors
69th
Evil Numbers
45th
Evil Numbers (Long)
29th
Fizz Buzz
3rd
Fractions
20th
Game of Life
21st
ISBN
48th
Odious Numbers
38th
Odious Numbers (Long)
27th
PalindromemordnilaP
11th
Pernicious Numbers
54th
Prime Numbers
82nd
Prime Numbers (Long)
55th
Quine
118th
Recamán
18th
Tongue-twisters
34th