Image Sequencing - Determine the number of images in a row

How is it possible to determine the number of images in a row and also a column yourself? (e.g. 3 x 3 or 2 x 3)This would make it possible to use the "Image Sequencing" content not only for horizontal orders, but also for vertical assignments. For example in a math puzzle (see attachment).
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BV52's picture

Hi Ralf,

The easiest way is to use a PHP hook, to add your own CSS-file to the content type. Please visit the Visual Changes page for more details.

-BV