It is clearly stated here that automatically created passwords are 20 characters long, contain 2 hyphens and exactly one uppercase letter and one digit.
I have only ever seen generated passwords where the arrangement is in 3 groups of 6 (separated by the hyphens).
From the description in the page referred to above, it could be that the generated password might look like:
nzomZhf-qnbqd-k8ibtt
i.e., a 7-5-6 pattern
This would comply with the definition (if that's what it is) on the aforementioned Support page.
Is it guaranteed that auto generated passwords will conform to the 3 groups of 6 pattern?