Show datasource rows as columns on a DataGridView (Winforms)

I wanna show all my DataSource rows on a DataGridView, but not as rows but as columns of a row. Each 12 items retrieved, I wanna insert a new row on the DataGridView and populate this new row with more items from the DataSource (12 at each row).

My DataSource retrieves just one item each, and using it directly with the DataGridView is working nicely, but shown a different row for each item.

Any hints?