Six at the top means:

The great prince issues commands,
Founds states, vests families with fiefs.
Inferior people should not be employed.

The war has ended successfully, victory is won, and the king divided estates and fiefs among his faithful vassals. But it is important that inferior people should not come into power. If they have helped, let them be paid off with money, but they should not be awarded lands or the privileges of rulers, lest power be abused.