What are the two problems with your plan?

You are planning group names for a new system. You decide to use a numbering
convention that includes the year and month the project began, to form the group number
and name for work associated with that project. So, for example, a project targeted to begin

in January, 2013 would have the number (name): 201301(Pr20l301) What are the two
problems with your plan?

A.
Group names may not contain a numeric character

B.
Group names may be no longer than 7 characters.

C.
Group numbers should not be larger than 60000.

D.
Group names should be all lowercase.