I just found out that the last four digits on my ID card actually mean this, which really adds to my knowledge

I just found out that the last four digits on my ID card actually mean this, which really adds to my knowledgeRecently, a mysterious legend about the last four digits of an ID card has been circulating online, and many people are curious about it. Originally, the last four digits of an ID card are not a simple combination of numbers, they contain special meanings and purposes...

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