Need a formula to get the frequency of consecutive Mode values

Hi guys,

This my first post here and I am in desperate need of help.

I need a formula to look up a range and count (frequency) the most frequent value (mode) that are consecutive. Below is an example of the values:

5,0,5,0,10,0,5,10,0,0,0,5,12,5. The formula should give me 1 because the mode is 5 and none of them are occurring consecutively.

I have come this far so far:
=MAX(FREQUENCY(IF(B1:AZ1=IFNA(MODE(B1:AZ1),0),COLUMN(B1:AZ1)),IF(B1:AZ1=0,COLUMN(B1:AZ1))))

This array formula gives me 2 because of the last 5,12,5 that is occurring consecutively but the middle value is not a mode value, so it should not count this as consecutive. It should count as consecutive only when the mode value is side by side. If there are 2 of them side by side, it should return 2, and if there are 3 side by side, it should return 3, and so on.

The highlighted column is where the formula is. Also, I am certain there is a better way of doing this but this is all I could find right now.

Sample of the data attached (I hope I did it correctly).

Thank you guys so much!!