Problem description & analysis:

Here below is a data table:

Task: We want to insert one blank row when the values in two adjacent rows change, the result is as follows:

Solution:

Use SPL XLL and enter the following code:

=spl("=?1.conj().group@o(~).(~|[null]).conj().new(~:_1)",A1:A9)

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Plugin Installation Method: SPL XLL Installation and Configuration

References to other rich Excel operation cases: cases: Desktop and Excel Data Processing Cases

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