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Question 22 (3 points) Lisa is planning the seating for the head table at a gala. The eight speakers will all be seated along one side of the table. Richard wants to sit beside Hang, and Lisa knows that Thomas and Lily should not be seated together, as they have just broken up. In how many ways can Lisa make up the seating plan? Explain your reasoning. (Type your full solution into the text box provided OR attach a pdf/jpg copy of your hand-written solution,)