Rasarnava 11.120

11.120

samajīrṇaṃ tato yāvat dolāyantre vicakṣaṇaḥ
paścāt kacchapayantreṇa samajīrṇaṃ tu pārvati
taṃ grāsadvādaśāṃśena kacchapena tu jārayet //

Until it has digested an equal amount in a swing-apparatus, O wise one; / then, with a tortoise-apparatus, [when it has digested] an equal amount, O Pārvatī, / one should digest it with a tortoise [apparatus] using a twelfth part as a morsel.