diagram
śruti-maṇḍala — ṣaḍja-grāma
Rectangular grid diagram with 6 vertical / 5 horizontal lines labeled with svaras (ni, sa, ri on top; dha, ga, pa, ma at bottom) representing śruti distribution in ṣaḍja-grāma.
Nodes: pa (bottom-left), dha (bottom-center), ma (bottom-right), ni (top-left), sa (top-center), ri (top-right), ga (center)
Segments: pa→dha; dha→ma; ni→sa; sa→ri
— śruti-maṇḍala in ṣaḍja-grāma (inferred from context of Anu. 13)