Complex sentence: Variation 12 is another divergence from Diabelli's two-part structure; rather than repeating the first part, Beethoven writes it out in full, making significant changes, while omitting a repeat or any substitution for a repeat for the second part.
Split into simpler sentences: Variation 12 is another divergence from Diabelli's two-part structure. Rather than repeating the first part, Beethoven writes it out in full, making significant changes, while omitting a repeat or any substitution for a repeat for the second part.