Recursion and threading rodeo!
http://katie.mtech.edu/classes/csci136/examples/rodeo.php
Label each of the 16 programs with the correct letter of its output:
Recursive1
Recursive2
Recursive3
Recursive4
Recursive5
Recursive6
Recursive7
Recursive8
Worker1
Worker2
Worker3
Worker4
Worker5
Worker6
Worker7
Worker8