Rule 30 is a code-poem included in code {poems}.
The requirements for submission were:
– 0,5 KB maximum size.
– Required to compile.

You may or may not additionally need the -ansi flag to compile.

Github Link:

https://github.com/shawnlawson/code-poems

Information about the book:

http://code-poems.com/book.html

Book Reviews:

Wired UK
Creators Project