Not every room has 25 combinations, but there must be 2 and 5 seats. 2 is disease, 5 is disaster.
To know where they are, you need to know when the house was built and the specific orientation.
For example, the period from 2004 to 20 14 was the Eighth National Games, and the house was in Zi Shan at noon. Then take a look at Baidu: at noon on the eighth Yunzi Mountain, there will be a corresponding explanation.