Alternating image-left / image-right "zigzag" content sections are fine up to two in a row. A third consecutive one must break the pattern — change the layout family, go full-bleed, or cluster differently. Endless zigzag is what an agent produces when it has one layout idea and N sections to fill.
Section one
Image left, copy right.
Section two
Image right, copy left.
Section three
Same pattern again — nothing signals this section is different from the last two.
Section one
Image left, copy right.
Section two
Image right, copy left.
Section three goes full-bleed instead
A genuine break in rhythm, not a third repetition.