When they arrived at the designated multimedia classroom, Room 302, they were indeed the first ones there.
Unlike high school, university classrooms have seats that slant upwards from front to back, a bit like a cinema. Because several classes might take a public course together, the classroom is large with many seats. If every row was parallel, the people at the back wouldn't be able to see the board.
On Su Zelin's suggestion, they chose six seats in the middle of the third row.
Since girls like to sit closer to the front, the first four rows are considered the front. Starting from the fifth row, it's slightly towards the back, so sitting in the third row gives a good chance to be surrounded by people.
