12 Days of Christmas
56th
99 Bottles of Beer
63rd
Abundant Numbers
47th
Arabic to Roman
26th
Christmas Trees
55th
CSS Colors
50th
Cubes
18th
Diamonds
31st
Divisors
64th
Evil Numbers
41st
Evil Numbers (Long)
28th
Fibonacci
118th
Fizz Buzz
192nd
Happy Numbers
30th
Leap Years
89th
Look and Say
18th
Odious Numbers
48th
Pangram Grep
42nd
Tongue-twisters
29th