Matsyapurana 69.47

69.47

upādhyāyasya ca punar dviguṇaṃ sarvameva tu
tataḥ prabhāte vimale samutthāya trayodaśa //

Double of all these Dakṣiṇâs should be given to the preceptor, and, O Bhîmasena,” on the following morning thirteen quiet and good milch cows, with their horns covered with gold, hoofs with silver, covered with cloth and painted with sandal, should be given away in charity, along with milking pots of bell metal to Brâhmaṇas well fed with nice eatables.—47-49.