12 Days of Christmas
60th
99 Bottles of Beer
68th
Arabic to Roman
13th
Christmas Trees
41st
Divisors
47th
Evil Numbers
85th
Fibonacci
88th
Fizz Buzz
182nd
Happy Numbers
52nd
Leap Years
83rd
Morse Decoder
14th
Morse Encoder
15th
Odious Numbers
69th
Ordinal Numbers
19th
Pangram Grep
48th
Pascalβs Triangle
26th
Pernicious Numbers
45th
Prime Numbers
48th
Rock-paper-scissors-Spock-lizard
13th