12 Days of Christmas
28th
Abundant Numbers
27th
Card Number Validation
12th
Evil Numbers
47th
Evil Numbers (Long)
29th
Fibonacci
115th
Fizz Buzz
543rd101st221st71st256th1,024th199th2,127th166th54th
Foo Fizz Buzz Bar
48th
65th214th
Leap Years
66th
94th262nd
Odious Numbers
37th
Odious Numbers (Long)
25th
Tongue-twisters
26th