Mahabharata 12.218.24
श्रीरुवाचएष मे निहितः पादो योऽयमप्सु प्रतिष्ठितःतृतीयं शक्र पादं मे तस्मात्सुनिहितं कुरु
śrīruvācaeṣa me nihitaḥ pādo yo'yamapsu pratiṣṭhitaḥtṛtīyaṃ śakra pādaṃ me tasmātsunihitaṃ kuru
Our plain-language meaning of this verse is waiting for scholar review.