Abundant Numbers
65th
Abundant Numbers (Long)
49th
Arithmetic Numbers
31st
Diamonds
37th
Divisors
69th
Evil Numbers
44th
Evil Numbers (Long)
29th
Fizz Buzz
3rd
Fractions
19th
Game of Life
21st
ISBN
46th
Odious Numbers
37th
Odious Numbers (Long)
27th
PalindromemordnilaP
11th
Pernicious Numbers
53rd
Prime Numbers
77th
Prime Numbers (Long)
53rd
Quine
117th
Recamán
18th
Tongue-twisters
32nd