apaḥ praṇeṣyann agnir yajurbhir itiprabhṛtīni dvādaśa saṃbhārayajūṃṣi teṣāṃ catvāricatvāri nigadya juhoti$pūrvaṃ paurṇamāsam ārabhamāṇaḥ sarasvatyai ca caruṃ sarasvate dvādaśakapālaṃ sarasvati vrateṣu yasya vratam iti