Complex sentence: Early Sunday strips usually filled a full newspaper page, but with time they have grown smaller and smaller, until today there are no Sunday strips that stand alone on a page, and some newspapers crowd as many as eight Sunday strips on a single page.
Split into simpler sentences: Early Sunday strips usually filled a full newspaper page, but with time they have grown smaller and smaller. Currently, no Sunday strips stand alone on a page, and some newspapers crowd as many as eight Sunday strips on a single page.