MānGS, 1, 11, 8.1 catasṛbhir darbheṣīkābhiḥ śareṣīkābhirvā samuñjābhiḥ satūlābhir ity ekaikayā traikakubhasyāñjanasya saṃnikṛṣya vṛtrasyāsi kanīniketi bhartur dakṣiṇam akṣi triḥ prathamam āṅkte tathāparaṃ tathā patnyāḥ śeṣeṇa tūṣṇīm //