Mahabharata 12.290.27

अवाक्चैवानिलं ज्ञात्वा प्रवहं चानिलं पुनःसप्त वातांस्तथा शेषान्सप्तधा विधिवत्पुनः

avākcaivānilaṃ jñātvā pravahaṃ cānilaṃ punaḥsapta vātāṃstathā śeṣānsaptadhā vidhivatpunaḥ

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