Mahabharata 1.2.154

अत ऊर्ध्वं विचित्रार्थं भीष्मपर्व प्रचक्षतेजम्बूखण्डविनिर्माणं यत्रोक्तं संजयेन ह

ata ūrdhvaṃ vicitrārthaṃ bhīṣmaparva pracakṣatejambūkhaṇḍavinirmāṇaṃ yatroktaṃ saṃjayena ha

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