Remove column 2

Column 1 Column 2 Column 3
Column 1 Column 2 Column 3
Column 1 Column 2 Column 3
Column 1 Column 3
Column 1 Column 3
Column 1 Column 3

Remove column 5, with colspan and rowspan

Header Header Header Header Header Header
Column 1 Column 2 Column 3 Column 4 Column 5 Column 6
Column 1 Column 2 Column 5 Column 6
Column 1 Column 2 Column 3 Column 6
Column 1 Column 2 Column 3 Column 4 Column 5 Column 6
Column 1 Column 2 Column 4 Column 5 Column 6
Column 1 Column 2 Column 3 Column 4 Column 5 Column 6
Footer Cell Cell Cell Cell Cell
Header Header Header Header Header
Column 1 Column 2 Column 3 Column 4 Column 6
Column 1 Column 2 Column 6
Column 1 Column 2 Column 3 Column 6
Column 1 Column 2 Column 3 Column 4 Column 6
Column 1 Column 2 Column 4 Column 6
Column 1 Column 2 Column 3 Column 4 Column 6
Footer Cell Cell Cell Cell