Mahabharata 14.20.18

तेषामन्योन्यभक्षाणां सर्वेषां देहचारिणाम्अग्निर्वैश्वानरो मध्ये सप्तधा विहितोऽन्तरा

teṣāmanyonyabhakṣāṇāṃ sarveṣāṃ dehacāriṇāmagnirvaiśvānaro madhye saptadhā vihito'ntarā

Our plain-language meaning of this verse is waiting for scholar review.