Mahabharata 3.134.22

3.134.22

tasmiṃstathā saṃkule vartamāne sphīte yajñe janakasyātha rājñaḥ |
aṣṭāvakraṃ pūjayanto'bhyupeyurviprāḥ sarve prāñjalayaḥ pratītāḥ || 22 ||

Lomasa said, 'Having proceeded thus far, Vandin stopped. Thereupon Ashtavakra supplied the latter half of the sloka. Ashtavakra said, 'Thirteen sacrifices are presided over by Kesi; and thirteen are devoured by Atichhandas, (the longer metres) of the Veda. And seeing Ashtavakra speaking and the Suta's son silent, and pensive, and with head downcast, the assembly broke into a long uproar. And when the tumult thus arose in the splendid sacrifice performed by king Janaka, the Brahmanas well pleased, and with joined hands, approached Ashtavakra, and began to pay him homage.'