There are eight kinds of palace hexagrams, which are also the basis of eight schools, namely:
1, the house in the east is the earthquake house, and the gate is in the west.
2. The home in the southeast is Xunzhai, and the gate faces northwest.
The house in the south is far from the house, and the gate faces north.
4. The home in the southwest is Zhai Kun, and the gate faces the northeast.
The home in the west is opposite to the house, and the gate faces east.
6. The home in the northwest is a dry house, and the gate faces southeast.
7. The house in the north is Kanzhai, and the gate faces south.
8. The home in the northeast is a mansion with the gate facing southwest.