12 Days of Christmas
71st
99 Bottles of Beer
77th
Arabic to Roman
17th
Christmas Trees
44th
Divisors
54th
Evil Numbers
92nd
Fibonacci
108th
Fizz Buzz
190th
Happy Numbers
58th
Leap Years
98th
Morse Decoder
16th
Morse Encoder
18th
Odious Numbers
78th
Ordinal Numbers
22nd
Pangram Grep
57th
Pascal’s Triangle
29th
Pernicious Numbers
57th
Prime Numbers
61st
Rock-paper-scissors-Spock-lizard
17th