ललितोपाख्याने जप-न्यास-योगप्रकरणम्
Lalitopākhyāna: Procedure of Japa, Nyāsa, and Yogic Installation
चक्रेश्वरीं न्यसेच्चक्रं समर्प्य व्याप्य वर्ष्मणि / हृदि त्रिकोणं संभाव्य दिक्षु प्रागादितः क्रमात्
cakreśvarīṃ nyaseccakraṃ samarpya vyāpya varṣmaṇi / hṛdi trikoṇaṃ saṃbhāvya dikṣu prāgāditaḥ kramāt
Let one install Cakreśvarī and set the cakra in place, offering it and causing it to pervade the whole body. In the heart, contemplate the triangle (trikoṇa), and in the directions proceed in order, beginning from the east.