(7pts) Do all exercises in section 12.2: "Protect the Wall". The
exercises rely on a solution of Section 5.4 ("Ping Pong"). You must start from our solution.
(3pts) Exercise 13.1.2. Include the template.
(1pt) Exercise 13.2.1. Show all steps for the input 2. Don't bother
with 10, 100, 1000.
(2pts) Exercise 14.3.1. Include the template(s).
(3pts) Exercise 14.3.3.
(Extra Credit: 3pts) Exercise 14.3.2.