Mahabharata 6.71.11
शिखण्डी तु महेष्वासः सोमकैः संवृतो बलीइरावांश्च ततः पुच्छे मकरस्य व्यवस्थितौ
śikhaṇḍī tu maheṣvāsaḥ somakaiḥ saṃvṛto balīirāvāṃśca tataḥ pucche makarasya vyavasthitau
Our plain-language meaning of this verse is waiting for scholar review.