I need a Word Styles Expert

Job ID: 34922855

Budget: $30 – $250 CAD

I have to continue the numbering of items in a table using Styles. For example:

I.
i.
II.
ii.
III.
iii.
iv.

A.
A.1
A.1.1
A.1.2
A.1.3
A.2
A.2.1
A.2.2
A.2.3
B.
B.1
B.1.1

I am stuck on the B. I cannot get it to follow the sequence as in A-section.
Related categories: Word Word Processing