Arthashastra
अभ्यन्तर अवग्रहं कृत्वा शून्य पालम् अनेक बल वर्गम् अनेक मुख्यं च स्थापयित्वा यायात्, न वा यायात् ॥
After performing an internal obstruction, one should station an empty guard, numerous divisions of troops , and many commanders, and then either proceed or not proceed.
english translation
abhyantara avagrahaM kRtvA zUnya pAlam aneka bala vargam aneka mukhyaM ca sthApayitvA yAyAt, na vA yAyAt ॥
hk transliteration by Sanscript