For the purpose of passing the thirteenth year undiscovered in that kingdom they entered the great city in conformity to their promise (to Duryodhana).
ततो यथाप्रतिज्ञाभिः प्राविशान् नगरं महत्। अज्ञातचर्यां वत्स्यन्तो राष्ट्र वर्षं त्रयोदशम्॥