How much is the admission ticket for Xiaogan senior high school entrance examination?
13. official website, Xiaogan Education Bureau, shows that the admission ticket number of Xiaogan senior high school entrance examination consists of 13, in which the first two represent provinces, the third and fourth represent cities and counties where they are located, the fifth to seventh represent school codes, the eighth represents candidates' scores, the ninth represents gender codes, odd numbers represent boys, even numbers represent girls, and the tenth to twelfth are candidates' serial numbers, and the last one.