Sorry for the delay. Thanks for the print pages. I am away from home attending the NBA conference at St. Louis. I don't have my Formats book with me and I need to look at the rule and examples to be able to answer you accurately. I think the issue is that you may be referring to the rules about pages that have the material across facing pages for the ENTIRE are of both pages. That is different from the case you have, in which the material across is only on a portion and the remainder of the page areas are printed in the usual manner, from one page to the next.
I have to look up those pages myself.
I'll be home next week.