Mahabharata 12.139.15

न ववर्ष सहस्राक्षः प्रतिलोमोऽभवद्गुरुःजगाम दक्षिणं मार्गं सोमो व्यावृत्तलक्षणः

na vavarṣa sahasrākṣaḥ pratilomo'bhavadguruḥjagāma dakṣiṇaṃ mārgaṃ somo vyāvṛttalakṣaṇaḥ

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