12 Days of Christmas
32nd
Abundant Numbers
65th
Card Number Validation
12th
Evil Numbers
51st
Evil Numbers (Long)
30th
Fibonacci
123rd
Fizz Buzz
567th109th230th71st270th1,054th202nd2,209th170th57th
Foo Fizz Buzz Bar
51st
79th230th
Leap Years
47th
93rd273rd
Odious Numbers
40th
Odious Numbers (Long)
27th
Tongue-twisters
29th