Generally, there are at least 6 faces above P7 level.
One side is your resume. Interviewers should be colleagues in the same group in the future, mainly examining your work experience and project situation, and typing more resumes.
The second aspect is technical, and the interviewer should also be a colleague in the same group in the future, which may be technical, but it is also related to the interviewer's own experience and work background.
Three sides are the face of the supervisor, and the three noodle restaurants will basically be your direct supervisor in the future. His evaluation of the interviewer is very important, and your ranking is basically set at this time.
Crossing all sides, the interviewers are basically the heads of other business departments that you will often deal with in the future. If you are a product, such as sales, research and development are possible. Just be polite this round.
Five sides are the boss's face, and the interviewer is the boss of the boss. Basically, it is the boss who is in charge of a certain line and examines the overall comprehensive ability.
Six faces are HR faces. Looking at values, five faces and six faces are often arranged together.