Mahabharata 3.296.5

वैशंपायन उवाच · vaiśaṃpāyana uvāca

ततो युधिष्ठिरो राजा नकुलं वाक्यमब्रवीत्आरुह्य वृक्षं माद्रेय निरीक्षस्व दिशो दश

tato yudhiṣṭhiro rājā nakulaṃ vākyamabravītāruhya vṛkṣaṃ mādreya nirīkṣasva diśo daśa

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