त्रीणि त्रिकाण्यनीकं रथानामुरस्यं स्थापयेत्तावत्कक्षं पक्षं चोभयतः ॥ कZ_१०.५.१२ ॥
trīṇi trikāṇy anīkaṃ rathānām urasyaṃ sthāpayet tāvat kakṣaṃ pakṣaṃ cobhayataḥ
应将战车阵列设为三个三人组;据此设置前方中央,并同样在两侧设置侧翼与两翼。
Modular composition: building a larger array from repeatable triads to simplify control, alignment, and scaling.
To enforce symmetry so that the formation does not develop a structurally weaker wing, which would be exploitable.