12 Days of Christmas
61st
99 Bottles of Beer
12th
Arabic to Roman
14th
Card Number Validation
12th
Catalan Numbers
5th
Day of Week
11th
Fibonacci
132nd
Fizz Buzz
100th
Fractions
14th
Medal Tally
12th
Morse Encoder
7th
Niven Numbers
28th
PalindromemordnilaP
8th
Pascal’s Triangle
32nd
Quine
61st
Repeating Decimals
6th
Transpose Sentence
7th