Multicolumn text recognition breaks in image

### Bug

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"The original file is shown in Figure 1, and the Docling parsing result in HTML is shown in Figure 2. The two parts marked in red in Figure 2 belong to two columns on the page, but the layout analysis results classify these two parts as the same type of block, so they should be merged together."
Figure 1:

Figure 2:

### Steps to reproduce

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### Docling version

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### Python version

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