The first page to print is the top-left page. The next pages printed are below the first page. When there are no more pages below, the page to the right of the top-left page is printed, then the pages below it, and so on.
The first page to print is the top-left page. The next pages printed are right of the first page. When there are no more pages to the right, the page below the top-left page is printed, then the pages to the right of it, and so on.
Represents the ways to order the pages of multiple page worksheets.