Can I enjoy the 72 hours free transit in Shanghai?

Hi all,
1. I want to make a stop over in Shanghai on the way to Hong Kong. I will buy a ticket from Germany (starting point) to Shanghai and a ticket from Shanghai to Hong Kong, that leaves Shanghai about 48 hours after landing in Shanghai. Afterwards I want to stay in Hong Kong for a longer time

2. When beeing in Shanghai, I also would like to visit Suzhou (Jiangsu) for sightseeing. Would this be included in the 72 hours free transit (as it is just the neighbour city)?