This div spans 12 columns.
This div spans 1 column.
This div spans 12 columns.
This div spans 6 columns.
col4
col4
col4
This div spans 1 column.
This div spans 2 columns.
This div spans 3 columns.
This div spans 4 columns.
There's only 2 columns here because that's all the space we have left.
This div spans 3 columns.
This div spans 4 columns.
This div spans 3 columns.
This div spans 2 columns.