Abundant Numbers
60th
Abundant Numbers (Long)
43rd
Arithmetic Numbers
29th
Diamonds
37th
Divisors
64th
Evil Numbers
39th
Evil Numbers (Long)
25th
Fizz Buzz
1st
Fractions
18th
Game of Life
17th
ISBN
43rd
Odious Numbers
33rd
Odious Numbers (Long)
24th
PalindromemordnilaP
10th
Pernicious Numbers
45th
Prime Numbers
69th
Prime Numbers (Long)
48th
Quine
106th
RecamΓ‘n
18th
Tongue-twisters
28th