Kautilya's Arthashastra 6.2.18

6.2.18

tasmān mitram arimitraṃ mitramitram arimitramitraṃ cānantaryeṇa bhūmīnāṃ prasajyante purastāt, paścāt pārṣṇigrāha ākrandaḥ pārṣṇigrāhāsāra ākrandāsāraḥ //

In front of the conqueror and close to his enemy, there happen to be situated kings such as the conqueror's friend, next to him, the enemy's friend, and next to the last, the conqueror's friend's friend, and next, the enemy's friend's friend.

In the rear of the conqueror, there happen to be situated a rearward enemy ( párshnigráha), a rearward friend (ákranda), an ally of the rearward enemy (párshnigráhásárá), and an ally of the rearward friend (ákrandására).