12 Days of Christmas
63rd
99 Bottles of Beer
71st
Arabic to Roman
14th
Christmas Trees
42nd
Divisors
51st
Evil Numbers
89th
Fibonacci
103rd
Fizz Buzz
189th
Happy Numbers
56th
Leap Years
94th
Morse Decoder
14th
Morse Encoder
16th
Odious Numbers
75th
Ordinal Numbers
21st
Pangram Grep
53rd
Pascal’s Triangle
27th
Pernicious Numbers
50th
Prime Numbers
56th
Rock-paper-scissors-Spock-lizard
13th