Identify 2 or 3 Conescutives in a string of data

Does the sheet represent the desired output ?

Once a streak has reached three is the streak is exempt from further analysis or does it reset ? To confirm by means of example - what would:

A
A
A
A
A
A

result in ?

A
A 2
A 3
A
A
A

or

A
A 2
A 3
A
A 2
A 3