B1: Stuff
B1: More notes
B1.2 (a): Done.
B1.2 (b): Done
B1.2: 7 clients pm ups..
B1.2 (c): Done.
B1.2 (c): Correct indentation
B1.2 (d): Done
B1.2 (e): Stuff..
B1.1: TODO. Rewrite section