separate vs. collapse
separate
Column 1
Column 2
Column 3
Data 1
Data 2
Data 3
Data 1
Data 2
Data 3
Data 1
Data 2
Data 3
Footer
collapse
Column 1
Column 2
Column 3
Data 1
Data 2
Data 3
Data 1
Data 2
Data 3
Data 1
Data 2
Data 3
Footer