What does the number after the subject two session mean?

[AxelFitz]

The current session ranking, this ranking is arranged according to the passing time of the previous subject. Those who finish the test earlier will also come to make an appointment, and they will be pushed back. Sessions are generally arranged in the order of appointment, because some people will have priority appointments. Appointments are divided into ordinary appointments and priority appointments (there are still six months until the exam deadline). Suppose the first person to register is an ordinary appointment, but there are 30 people behind who have priority appointments, then they will be pushed back to the 31st position. Assuming that each session tests 20 people, it will change from the first session to the second session. Exam appointment rules: 1. First appointment: For the first appointment for subject one exam, the sorting time is based on the initial application for a driver's license or the application for an additional driving business; 2. Non-first appointment: For non-first appointments for subject one exam, the sorting time is based on the last exam time; 3. Cancellation of appointment time: For users who successfully make an exam appointment but cancel it due to their own reasons, the sorting time is based on the cancellation time. If the exam cannot be taken for non-personal reasons, the sorting time remains unchanged.