Mahabharata 12.168.15

यथा काष्ठं च काष्ठं च समेयातां महोदधौसमेत्य च व्यपेयातां तद्वद्भूतसमागमः

yathā kāṣṭhaṃ ca kāṣṭhaṃ ca sameyātāṃ mahodadhausametya ca vyapeyātāṃ tadvadbhūtasamāgamaḥ

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