Agnipurana 24.22

24.22

darbhaistridhā paristīrya pūrvādau tatra pātrakaṃ /
āsādayedidhmavahnī bhūmau ca śrukśruvadvayaṃ //

and strewing [the area] three times with darbha grass beginning from the east, one should place the vessel there. / One should set down the firewood, the fire, and both the sruc and sruva on the ground;