Abundant Numbers
67th
Abundant Numbers (Long)
51st
Arithmetic Numbers
32nd
Diamonds
38th
Divisors
71st
Evil Numbers
46th
Evil Numbers (Long)
34th
Fizz Buzz
3rd
Fractions
20th
Game of Life
21st
ISBN
48th
Odious Numbers
41st
Odious Numbers (Long)
31st
PalindromemordnilaP
11th
Pernicious Numbers
56th
Prime Numbers
85th
Prime Numbers (Long)
57th
Quine
119th
Recamán
20th
Tongue-twisters
34th