12 Days of Christmas
98th
99 Bottles of Beer
31st
Abundant Numbers
77th
ASCII Table
18th
Christmas Trees
44th
Cubes
19th
Day of Week
1st
Diamonds
39th
Fizz Buzz
235th
ISBN
19th
Number Spiral
10th
Pangram Grep
25th
Roman to Arabic
32nd
Rule 110
19th
Sierpiński Triangle
42nd
Star Wars Opening Crawl
10th