12 Days of Christmas
63rd
99 Bottles of Beer
71st
Arabic to Roman
14th
Christmas Trees
43rd
Divisors
51st
Evil Numbers
91st
Fibonacci
104th
Fizz Buzz
189th
Happy Numbers
56th
Leap Years
95th
Morse Decoder
14th
Morse Encoder
16th
Odious Numbers
77th
Ordinal Numbers
21st
Pangram Grep
55th
Pascal’s Triangle
27th
Pernicious Numbers
51st
Prime Numbers
58th
Rock-paper-scissors-Spock-lizard
13th