12 Days of Christmas
43rd
99 Bottles of Beer
52nd
Arabic to Roman
30th
ASCII Table
15th
80th
28th
Calendar
3rd
5th
9th
3rd
20th
6th
Card Number Validation
19th
Fibonacci
118th
Fizz Buzz
32nd
40th
57th
33rd31st121st
2,539th
50th
Hexdump
36th28th
12th
Taxicab Numbers
13th
Tic-tac-toe
15th
United States
23rd
π
196th
φ
22nd
√2
4th
𝑒
5th
29th