What about the first 3 rows? There are merged cells in first 3 rows, one merged cell in each row with cc ( colspan ): 4
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Highlighted row in your screenshot is not a single row but comprises of 4 rows with rowIndxPage: 4, 5, 6, 7
and 3 merged cells one for each rc (rowspan).
{r1: 4, c1:0, rc: 4, cc:1},
{r1: 4, c1:1, rc: 4, cc:1},
{r1: 4, c1:2, rc: 4, cc:1}
merge cells are added through mergeCells option:
https://paramquery.com/pro/api#option-mergeCells