12 Days of Christmas
57th
99 Bottles of Beer
65th
Arabic to Roman
12th
Christmas Trees
39th
Divisors
44th
Evil Numbers
80th
Fibonacci
82nd
Fizz Buzz
174th
Happy Numbers
47th
Leap Years
78th
Morse Decoder
13th
Morse Encoder
14th
Odious Numbers
64th
Ordinal Numbers
17th
Pangram Grep
44th
Pascalβs Triangle
24th
Pernicious Numbers
43rd
Prime Numbers
43rd
Rock-paper-scissors-Spock-lizard
12th