The quick brown fox jumps over the lazy dog.

This section has only one column.  The text should appear across the entire page without break or interruption.

This section has two columns. This particular text is on the left-hand side.
And this particular text is on the right-hand side.

This section has three columns. This particular text is on the left-hand side.
This particular text should be in the middle.

And this text should be on the right hand side.

This section has two columns, but the left-most column is more narrow that the rest.
The vast majority of the text should appear on the right-hand side of the page.

End column text.