The clearing of a vineyard — Beis Shammai say: twenty-four cubits. But Beis Hillel say: sixteen cubits. The perimeter of a vineyard — Beis Shammai say: sixteen cubits. But Beis Hillel say: twelve cubits. And what is the clearing of a vineyard? A vineyard which has been destroyed in its middle. If there are not sixteen cubits there, he may not bring [other] seed there. [If] there were sixteen cubits there, we give it its work area, and he may plant the rest.