The first four are grades, the middle four are majors, and the last five are rankings.

The student number of Wuhan University is generally like this. The first four digits of 200 * 30 * * * * are grades, for example, grade 07 is 2007, and the middle four digits are college codes, for example, College 3008, College of Literature 3029, College of History 3095, and College of Surveying and Mapping 53 10. Follow the student's personal code. For example, there are 400 students in a college, and the number is 000 1 to 0400.