Do you own an ID card? You must have a identity card number in your family' s Household Register. From the ID card you can get specific personal information of everyone. The number has 18 bits, the first 17 bits contain special specially meanings: the first 6 bits represent the region you come from, then comes the next 8 bits which stand for your birthday.What do other 4 bits represent? You can Baidu or Google it. Here is the codes which represent the region you are in.

ACM_1.2.7\ACM_1.2.7\ACM_1.2.7.cpp
.........\.........\ACM_1.2.7.vcxproj
.........\.........\ACM_1.2.7.vcxproj.filters
.........\.........\ACM_1.2.7.vcxproj.user
.........\.........\Debug\ACM_1.2.7.exe.embed.manifest
.........\.........\.....\ACM_1.2.7.exe.embed.manifest.res
.........\.........\.....\ACM_1.2.7.exe.intermediate.manifest
.........\.........\.....\ACM_1.2.7.lastbuildstate
.........\.........\.....\ACM_1.2.7.log
.........\.........\.....\ACM_1.2.7.obj
.........\.........\.....\ACM_1.2.7.pch
.........\.........\.....\ACM_1.2.7_manifest.rc
.........\.........\.....\CL.read.1.tlog
.........\.........\.....\CL.write.1.tlog
.........\.........\.....\link-cvtres.read.1.tlog
.........\.........\.....\link-cvtres.write.1.tlog
.........\.........\.....\link.5248-cvtres.read.1.tlog
.........\.........\.....\link.5248-cvtres.write.1.tlog
.........\.........\.....\link.5248.read.1.tlog
.........\.........\.....\link.5248.write.1.tlog
.........\.........\.....\link.read.1.tlog
.........\.........\.....\link.write.1.tlog
.........\.........\.....\mt.read.1.tlog
.........\.........\.....\mt.write.1.tlog
.........\.........\.....\rc.read.1.tlog
.........\.........\.....\rc.write.1.tlog
.........\.........\.....\stdafx.obj
.........\.........\.....\vc100.idb
.........\.........\.....\vc100.pdb
.........\.........\ReadMe.txt
.........\.........\stdafx.cpp
.........\.........\stdafx.h
.........\.........\targetver.h
.........\ACM_1.2.7.sdf
.........\ACM_1.2.7.sln
.........\ACM_1.2.7.suo
.........\Debug\ACM_1.2.7.exe
.........\.....\ACM_1.2.7.ilk
.........\.....\ACM_1.2.7.pdb
.........\ipch\acm_1.2.7-1fc2f73d\acm_1.2.ipch
.........\ACM_1.2.7\Debug
.........\ipch\acm_1.2.7-1fc2f73d
.........\ACM_1.2.7
.........\Debug
.........\ipch
ACM_1.2.7

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