Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
हृदये भूतसंख्यानि षड्ऋक्षाणि तु पादयोः ।नाम ऋक्षं स्फुटं कृत्वा चक्रमध्ये तु विन्यसेत् ॥ १० ॥
In the full Agni Purana this is chapter 131, verse 10.
Put five stars on the heart, and six on the feet. Fix the star of the name clearly and put it in the middle of the chakra.
Simple meaning: Five stars go on the heart and six on the feet. The name star goes in the middle.
नेत्रे शिरोदक्षकर्णे याम्यहस्ते च पादयोः ।
The verse lists body places in order: eyes, head, ears, hands, feet, heart, neck and so on.
यस्मिन्नृक्षे स्थितः सूर्यः सौरिर्भौमस्तु सैंहिकः ।
If the Sun, Saturn, Mars or Rahu sits on a star, the body part set on that star is hurt.
जयचक्रं प्रवक्ष्यामि आदिहान्तांश्च वै लिखेत् ।
A victory wheel is drawn with thirteen lines and six lines across. The letters from a to ha are written in it.