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Mathematical information problem
1. This person's birthday is June 23rd. 1975. The region is the province and city corresponding to 32 1, and the specific code of this province and city corresponds to 1 19. Check it online yourself.

2. The first digit of the number 3 is the last two digits of the class, such as the student number. For example, 2 15 is the student of Class 2 15.

(1) Judging from 107 and 2 10 and 328, it should be 1, category 7, category 2, 10, category 3 and category 28.

(2) If you want to look at numbers, boys and girls can add another 0 or 1 to the numbers, with boys starting with 0 and girls starting with 1.

For example: 12 15, which means that Class 2 on 15 is a girl.