When did the number at the beginning of the original God 20 begin?

The original god uid20 starts with official clothes

_ Yan Jiahui? 1 account, but there are too many registered players, and then a new uid starting with 2 is added. Look at the number at the beginning of UID, and you will know which server this account belongs to, and the following numbers are arranged in the order of building number. Whoever creates numbers first will take the lead.

_id 1, official clothes starting with 2, B clothes starting with uid5, Xiaomi clothes, etc. Domestic channel clothes all start with 5, uid6 starts with American clothes, uid7 starts with European clothes, uid8 starts with Asian clothes, and uid9 starts with Hong Kong and Macao clothes.