12 Days of Christmas
69th
99 Bottles of Beer
74th
Arabic to Roman
15th
Christmas Trees
43rd
Divisors
51st
Evil Numbers
90th
Fibonacci
104th
Fizz Buzz
189th
Happy Numbers
56th
Leap Years
94th
Morse Decoder
14th
Morse Encoder
17th
Odious Numbers
76th
Ordinal Numbers
21st
Pangram Grep
55th
Pascal’s Triangle
27th
Pernicious Numbers
53rd
Prime Numbers
59th
Rock-paper-scissors-Spock-lizard
17th