DMSI 3.1A to 3.1B or 3.2B?

[Mr Confidence]

As I understand between 3.1A and 3.1B no break is required. However if you want to use 3.2, a 21 day break is required after either 3.1A or 3.1B. I am in the same boat still have to wait 5 more days before I can start 3.2