Hiranyakeshigrihyasutra 1.6.19.9

1.6.19.9

apareṇāgniṃ dvayāndarbhānpūrvāparānudagagrānsaṃstīrya teṣu pūrvāparāvavatiṣṭhete \9\ \\19\\

To the west of the fire he strews two layers of northward-pointed Darbha grass, the one more to the west, the other more to the east. On these both (the bridegroom and the bride) station themselves, the one more to the west, the other more to the east.