12 Days of Christmas
23rd
99 Bottles of Beer
17th
Abundant Numbers
37th
Christmas Trees
69th
CSS Colors
19th4th
Divisors
69th
Emojify
Evil Numbers
63rd
Fibonacci
177th
Fizz Buzz
157th
Leap Years
96th
Morse Encoder
24th
Niven Numbers
83rd
Odious Numbers
50th
Ordinal Numbers
35th
Pangram Grep
14th
Tongue-twisters
44th
United States