Arthashastra
स्तम्भैः समन्ततो ग्रामाद् धनुः शत अपकृष्टम् उपसालं कारयेत् ॥
At a distance of 800 angulas around every village, an enclosure with timber posts shall be constructed.
english translation
stambhaiH samantato grAmAd dhanuH zata apakRSTam upasAlaM kArayet ॥
hk transliteration by Sanscript