Description: Any of a four natural numbers (with the exception of the four numbers exactly the same, except such as 4444,7777, etc.), will form the digits of the number of re-arranged to form one of the greatest number and a minimum number after two the number of subtraction, the difference still is a natural number, repeat the above computation, you will find a mysterious number.
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8\8\8.cpp
.\.\8.vcproj
.\.\8.vcproj.tianning-PC.tianning.user
.\.\Debug\8.exe.embed.manifest
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.\8.ncb
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.\debug\8.exe
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.\8\Debug
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.\debug
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