It depends on which building, unit and floor the household belongs to from the house number, whether it is a left-handed household or a right-handed household.

Use a five-digit number as the house number of the residents in the community. The first digit represents the number of buildings, the second digit represents units, the third digit represents floors, the fourth and fifth digits represent households, 0 1 represents east households, and 02 represents west households. For example, 3250 1 means that the household lives in East Lake, 5th floor, Unit 2, Building 3.