Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 3 · Name Letters and Chakras
युद्धजयार्णवः (चक्राणि)
नेत्रे शिरोदक्षकर्णे याम्यहस्ते च पादयोः ।हृद्ग्रीवावामहस्ते तु पुनर्गुह्ये तु पादयोः ॥ ११ ॥
In the full Agni Purana this is chapter 131, verse 11.
The eyes, the head, the right ear, the right hand and the feet; the heart, the neck and the left hand; and again the private part and the feet.
Simple meaning: 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.
दिग्ग्रहा मुनयः सूर्या ऋत्विग्रुद्रस्तिथिः क्रमात् ।
Twelve numbers are set at the top of the wheel's columns, and letter rows go below them.