12 Days of Christmas
70th
ASCII Table
69th
Connect Four
6th
Factorial Factorisation
19th108th40th
Gray Code Decoder
4th19th
Hexdump
34th
Intersection
39th
ISBN
45th
N Queens
17th
Prime Numbers
82nd
Quine
69th
Reverse Polish Notation
21st
Rijndael S-box
20th20th
ROT13
28th
Seven Segment
19th56th
π
51st